diff --git a/src/Controllers/Version4/AdminNotes.php b/src/Controllers/Version4/AdminNotes.php
deleted file mode 100644
index 17eb739d614..00000000000
--- a/src/Controllers/Version4/AdminNotes.php
+++ /dev/null
@@ -1,485 +0,0 @@
-<?php
-/**
- * REST API Admin Notes controller
- *
- * Handles requests to the admin notes endpoint.
- *
- * @package WooCommerce Admin/API
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4;
-
-defined( 'ABSPATH' ) || exit;
-
-/**
- * AdminNotes controller class.
- */
-class AdminNotes extends AbstractObjectsController {
-
-	/**
-	 * Endpoint namespace.
-	 *
-	 * @var string
-	 */
-	protected $namespace = 'wc/v4';
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'admin/notes';
-
-	/**
-	 * Register the routes for admin notes.
-	 */
-	public function register_routes() {
-		register_rest_route(
-			$this->namespace,
-			'/' . $this->rest_base,
-			array(
-				array(
-					'methods'             => \WP_REST_Server::READABLE,
-					'callback'            => array( $this, 'get_items' ),
-					'permission_callback' => array( $this, 'get_items_permissions_check' ),
-					'args'                => $this->get_collection_params(),
-				),
-				'schema' => array( $this, 'get_public_item_schema' ),
-			)
-		);
-
-		register_rest_route(
-			$this->namespace,
-			'/' . $this->rest_base . '/(?P<id>[\d-]+)',
-			array(
-				'args'   => array(
-					'id' => array(
-						'description' => __( 'Unique ID for the resource.', 'woocommerce' ),
-						'type'        => 'integer',
-					),
-				),
-				array(
-					'methods'             => \WP_REST_Server::READABLE,
-					'callback'            => array( $this, 'get_item' ),
-					'permission_callback' => array( $this, 'get_item_permissions_check' ),
-				),
-				array(
-					'methods'             => \WP_REST_Server::EDITABLE,
-					'callback'            => array( $this, 'update_item' ),
-					'permission_callback' => array( $this, 'update_items_permissions_check' ),
-				),
-				'schema' => array( $this, 'get_public_item_schema' ),
-			)
-		);
-	}
-
-	/**
-	 * Get a single note.
-	 *
-	 * @param WP_REST_Request $request Request data.
-	 * @return WP_REST_Response|WP_Error
-	 */
-	public function get_item( $request ) {
-		$note = \WC_Admin_Notes::get_note( $request->get_param( 'id' ) );
-
-		if ( ! $note ) {
-			return new \WP_Error(
-				'woocommerce_admin_notes_invalid_id',
-				__( 'Sorry, there is no resouce with that ID.', 'woocommerce' ),
-				array( 'status' => 404 )
-			);
-		}
-
-		if ( is_wp_error( $note ) ) {
-			return $note;
-		}
-
-		$data = $note->get_data();
-		$data = $this->prepare_item_for_response( $data, $request );
-		$data = $this->prepare_response_for_collection( $data );
-
-		return rest_ensure_response( $data );
-	}
-
-	/**
-	 * Get all notes.
-	 *
-	 * @param WP_REST_Request $request Request data.
-	 * @return WP_REST_Response
-	 */
-	public function get_items( $request ) {
-		$query_args = $this->prepare_objects_query( $request );
-
-		$notes = \WC_Admin_Notes::get_notes( 'edit', $query_args );
-
-		$data = array();
-		foreach ( (array) $notes as $note_obj ) {
-			$note   = $this->prepare_item_for_response( $note_obj, $request );
-			$note   = $this->prepare_response_for_collection( $note );
-			$data[] = $note;
-		}
-
-		$response = rest_ensure_response( $data );
-		$response->header( 'X-WP-Total', \WC_Admin_Notes::get_notes_count( $query_args['type'], $query_args['status'] ) );
-
-		return $response;
-	}
-
-	/**
-	 * Prepare objects query.
-	 *
-	 * @param  WP_REST_Request $request Full details about the request.
-	 * @return array
-	 */
-	protected function prepare_objects_query( $request ) {
-		$args             = array();
-		$args['order']    = $request['order'];
-		$args['orderby']  = $request['orderby'];
-		$args['per_page'] = $request['per_page'];
-		$args['page']     = $request['page'];
-		$args['type']     = isset( $request['type'] ) ? $request['type'] : array();
-		$args['status']   = isset( $request['status'] ) ? $request['status'] : array();
-
-		if ( 'date' === $args['orderby'] ) {
-			$args['orderby'] = 'date_created';
-		}
-
-		/**
-		 * Filter the query arguments for a request.
-		 *
-		 * Enables adding extra arguments or setting defaults for a post
-		 * collection request.
-		 *
-		 * @param array           $args    Key value array of query var to query value.
-		 * @param WP_REST_Request $request The request used.
-		 */
-		$args = apply_filters( 'woocommerce_rest_admin_notes_object_query', $args, $request );
-
-		return $args;
-	}
-
-	/**
-	 * Check whether a given request has permission to read a single note.
-	 *
-	 * @param  WP_REST_Request $request Full details about the request.
-	 * @return WP_Error|boolean
-	 */
-	public function get_item_permissions_check( $request ) {
-		if ( ! wc_rest_check_manager_permissions( 'system_status', 'read' ) ) {
-			return new \WP_Error( 'woocommerce_rest_cannot_view', __( 'Sorry, you cannot list resources.', 'woocommerce' ), array( 'status' => rest_authorization_required_code() ) );
-		}
-
-		return true;
-	}
-
-	/**
-	 * Check whether a given request has permission to read notes.
-	 *
-	 * @param  WP_REST_Request $request Full details about the request.
-	 * @return WP_Error|boolean
-	 */
-	public function get_items_permissions_check( $request ) {
-		if ( ! wc_rest_check_manager_permissions( 'system_status', 'read' ) ) {
-			return new \WP_Error( 'woocommerce_rest_cannot_view', __( 'Sorry, you cannot list resources.', 'woocommerce' ), array( 'status' => rest_authorization_required_code() ) );
-		}
-
-		return true;
-	}
-
-	/**
-	 * Update a single note.
-	 *
-	 * @param WP_REST_Request $request Full details about the request.
-	 * @return WP_REST_Request|WP_Error
-	 */
-	public function update_item( $request ) {
-		$note = \WC_Admin_Notes::get_note( $request->get_param( 'id' ) );
-
-		if ( ! $note ) {
-			return new \WP_Error(
-				'woocommerce_admin_notes_invalid_id',
-				__( 'Sorry, there is no resouce with that ID.', 'woocommerce' ),
-				array( 'status' => 404 )
-			);
-		}
-
-		$note_changed = false;
-		if ( ! is_null( $request->get_param( 'status' ) ) ) {
-			$note->set_status( $request->get_param( 'status' ) );
-			$note_changed = true;
-		}
-
-		if ( ! is_null( $request->get_param( 'date_reminder' ) ) ) {
-			$note->set_date_reminder( $request->get_param( 'date_reminder' ) );
-			$note_changed = true;
-		}
-
-		if ( $note_changed ) {
-			$note->save();
-		}
-		return $this->get_item( $request );
-	}
-
-	/**
-	 * Makes sure the current user has access to WRITE the settings APIs.
-	 *
-	 * @param WP_REST_Request $request Full data about the request.
-	 * @return WP_Error|bool
-	 */
-	public function update_items_permissions_check( $request ) {
-		if ( ! wc_rest_check_manager_permissions( 'settings', 'edit' ) ) {
-			return new \WP_Error( 'woocommerce_rest_cannot_edit', __( 'Sorry, you cannot edit this resource.', 'woocommerce' ), array( 'status' => rest_authorization_required_code() ) );
-		}
-		return true;
-	}
-
-	/**
-	 * Prepare a path or query for serialization to the client.
-	 *
-	 * @param string $query The query, path, or URL to transform.
-	 * @return string A fully formed URL.
-	 */
-	public function prepare_query_for_response( $query ) {
-		if ( empty( $query ) ) {
-			return $query;
-		}
-		if ( 'https://' === substr( $query, 0, 8 ) ) {
-			return $query;
-		}
-		if ( 'http://' === substr( $query, 0, 7 ) ) {
-			return $query;
-		}
-		if ( '?' === substr( $query, 0, 1 ) ) {
-			return admin_url( 'admin.php' . $query );
-		}
-
-		return admin_url( $query );
-	}
-
-	/**
-	 * Prepare a note object for serialization.
-	 *
-	 * @param array           $data Note data.
-	 * @param WP_REST_Request $request Request object.
-	 * @return WP_REST_Response $response Response data.
-	 */
-	public function prepare_item_for_response( $data, $request ) {
-		$context                   = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data                      = $this->add_additional_fields_to_object( $data, $request );
-		$data['date_created_gmt']  = wc_rest_prepare_date_response( $data['date_created'] );
-		$data['date_created']      = wc_rest_prepare_date_response( $data['date_created'], false );
-		$data['date_reminder_gmt'] = wc_rest_prepare_date_response( $data['date_reminder'] );
-		$data['date_reminder']     = wc_rest_prepare_date_response( $data['date_reminder'], false );
-		$data['title']             = stripslashes( $data['title'] );
-		$data['content']           = stripslashes( $data['content'] );
-		$data['is_snoozable']      = (bool) $data['is_snoozable'];
-		foreach ( (array) $data['actions'] as $key => $value ) {
-			$data['actions'][ $key ]->label  = stripslashes( $data['actions'][ $key ]->label );
-			$data['actions'][ $key ]->url    = $this->prepare_query_for_response( $data['actions'][ $key ]->query );
-			$data['actions'][ $key ]->status = stripslashes( $data['actions'][ $key ]->status );
-		}
-		$data = $this->filter_response_by_context( $data, $context );
-
-		// Wrap the data in a response object.
-		$response = rest_ensure_response( $data );
-		$response->add_links(
-			array(
-				'self'       => array(
-					'href' => rest_url( sprintf( '/%s/%s/%d', $this->namespace, $this->rest_base, $data['id'] ) ),
-				),
-				'collection' => array(
-					'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
-				),
-			)
-		);
-		/**
-		 * Filter a note returned from the API.
-		 *
-		 * Allows modification of the note data right before it is returned.
-		 *
-		 * @param WP_REST_Response $response The response object.
-		 * @param array            $data The original note.
-		 * @param WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_admin_note', $response, $data, $request );
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params             = array();
-		$params['context']  = $this->get_context_param( array( 'default' => 'view' ) );
-		$params['order']    = array(
-			'description'       => __( 'Order sort attribute ascending or descending.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'desc',
-			'enum'              => array( 'asc', 'desc' ),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['orderby']  = array(
-			'description'       => __( 'Sort collection by object attribute.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'date',
-			'enum'              => array(
-				'note_id',
-				'date',
-				'type',
-				'title',
-				'status',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['page']     = array(
-			'description'       => __( 'Current page of the collection.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 1,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-			'minimum'           => 1,
-		);
-		$params['per_page'] = array(
-			'description'       => __( 'Maximum number of items to be returned in result set.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 10,
-			'minimum'           => 1,
-			'maximum'           => 100,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['type']     = array(
-			'description'       => __( 'Type of note.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_slug_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'enum' => \WC_Admin_Note::get_allowed_types(),
-				'type' => 'string',
-			),
-		);
-		$params['status']   = array(
-			'description'       => __( 'Status of note.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_slug_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'enum' => \WC_Admin_Note::get_allowed_statuses(),
-				'type' => 'string',
-			),
-		);
-		return $params;
-	}
-
-	/**
-	 * Get the note's schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_item_schema() {
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'note',
-			'type'       => 'object',
-			'properties' => array(
-				'id'                => array(
-					'description' => __( 'ID of the note record.', 'woocommerce' ),
-					'type'        => 'integer',
-					'context'     => array( 'view' ),
-					'readonly'    => true,
-				),
-				'name'              => array(
-					'description' => __( 'Name of the note.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'type'              => array(
-					'description' => __( 'The type of the note (e.g. error, warning, etc.).', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'locale'            => array(
-					'description' => __( 'Locale used for the note title and content.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'title'             => array(
-					'description' => __( 'Title of the note.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'content'           => array(
-					'description' => __( 'Content of the note.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'icon'              => array(
-					'description' => __( 'Icon (gridicon) for the note.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'content_data'      => array(
-					'description' => __( 'Content data for the note. JSON string. Available for re-localization.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'status'            => array(
-					'description' => __( 'The status of the note (e.g. unactioned, actioned).', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-				),
-				'source'            => array(
-					'description' => __( 'Source of the note.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'date_created'      => array(
-					'description' => __( 'Date the note was created.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'date_created_gmt'  => array(
-					'description' => __( 'Date the note was created (GMT).', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'date_reminder'     => array(
-					'description' => __( 'Date after which the user should be reminded of the note, if any.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'date_reminder_gmt' => array(
-					'description' => __( 'Date after which the user should be reminded of the note, if any (GMT).', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'is_snoozable'      => array(
-					'description' => __( 'Whether or a user can request to be reminded about the note.', 'woocommerce' ),
-					'type'        => 'boolean',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'actions'           => array(
-					'description' => __( 'An array of actions, if any, for the note.', 'woocommerce' ),
-					'type'        => 'array',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-			),
-		);
-		return $this->add_additional_fields_schema( $schema );
-	}
-}
diff --git a/src/Controllers/Version4/Leaderboards.php b/src/Controllers/Version4/Leaderboards.php
deleted file mode 100644
index 255e1779418..00000000000
--- a/src/Controllers/Version4/Leaderboards.php
+++ /dev/null
@@ -1,545 +0,0 @@
-<?php
-/**
- * REST API Leaderboards Controller
- *
- * Handles requests to /leaderboards
- *
- * @package WooCommerce/RestApi
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4;
-
-defined( 'ABSPATH' ) || exit;
-
-/**
- * REST API Leaderboards class.
- */
-class Leaderboards extends Data {
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'leaderboards';
-
-	/**
-	 * Register routes.
-	 */
-	public function register_routes() {
-		if ( ! class_exists( 'WC_Admin_Reports_Coupons_Data_Store' ) ) {
-			return;
-		}
-
-		register_rest_route(
-			$this->namespace,
-			'/' . $this->rest_base,
-			array(
-				array(
-					'methods'             => \WP_REST_Server::READABLE,
-					'callback'            => array( $this, 'get_items' ),
-					'permission_callback' => array( $this, 'get_items_permissions_check' ),
-					'args'                => $this->get_collection_params(),
-				),
-				'schema' => array( $this, 'get_public_item_schema' ),
-			),
-			true
-		);
-
-		register_rest_route(
-			$this->namespace,
-			'/' . $this->rest_base . '/allowed',
-			array(
-				array(
-					'methods'             => \WP_REST_Server::READABLE,
-					'callback'            => array( $this, 'get_allowed_items' ),
-					'permission_callback' => array( $this, 'get_items_permissions_check' ),
-				),
-				'schema' => array( $this, 'get_public_allowed_item_schema' ),
-			),
-			true
-		);
-	}
-
-	/**
-	 * Get the data for the coupons leaderboard.
-	 *
-	 * @param int    $per_page Number of rows.
-	 * @param string $after Items after date.
-	 * @param string $before Items before date.
-	 * @param string $persisted_query URL query string.
-	 */
-	public function get_coupons_leaderboard( $per_page, $after, $before, $persisted_query ) {
-		$coupons_data_store = new \WC_Admin_Reports_Coupons_Data_Store();
-		$coupons_data       = $per_page > 0 ? $coupons_data_store->get_data(
-			array(
-				'orderby'       => 'orders_count',
-				'order'         => 'desc',
-				'after'         => $after,
-				'before'        => $before,
-				'per_page'      => $per_page,
-				'extended_info' => true,
-			)
-		)->data : array();
-
-		$rows = array();
-		foreach ( $coupons_data as $coupon ) {
-			$url_query   = wp_parse_args(
-				array(
-					'filter'  => 'single_coupon',
-					'coupons' => $coupon['coupon_id'],
-				),
-				$persisted_query
-			);
-			$coupon_url  = wc_admin_url( 'analytics/coupons', $url_query );
-			$coupon_code = isset( $coupon['extended_info'] ) && isset( $coupon['extended_info']['code'] ) ? $coupon['extended_info']['code'] : '';
-			$rows[]      = array(
-				array(
-					'display' => "<a href='{$coupon_url}'>{$coupon_code}</a>",
-					'value'   => $coupon_code,
-				),
-				array(
-					'display' => wc_admin_number_format( $coupon['orders_count'] ),
-					'value'   => $coupon['orders_count'],
-				),
-				array(
-					'display' => wc_price( $coupon['amount'] ),
-					'value'   => $coupon['amount'],
-				),
-			);
-		}
-
-		return array(
-			'id'      => 'coupons',
-			'label'   => __( 'Top Coupons - Number of Orders', 'woocommerce' ),
-			'headers' => array(
-				array(
-					'label' => __( 'Coupon Code', 'woocommerce' ),
-				),
-				array(
-					'label' => __( 'Orders', 'woocommerce' ),
-				),
-				array(
-					'label' => __( 'Amount Discounted', 'woocommerce' ),
-				),
-			),
-			'rows'    => $rows,
-		);
-	}
-
-	/**
-	 * Get the data for the categories leaderboard.
-	 *
-	 * @param int    $per_page Number of rows.
-	 * @param string $after Items after date.
-	 * @param string $before Items before date.
-	 * @param string $persisted_query URL query string.
-	 */
-	public function get_categories_leaderboard( $per_page, $after, $before, $persisted_query ) {
-		$categories_data_store = new \WC_Admin_Reports_Categories_Data_Store();
-		$categories_data       = $per_page > 0 ? $categories_data_store->get_data(
-			array(
-				'orderby'       => 'items_sold',
-				'order'         => 'desc',
-				'after'         => $after,
-				'before'        => $before,
-				'per_page'      => $per_page,
-				'extended_info' => true,
-			)
-		)->data : array();
-
-		$rows = array();
-		foreach ( $categories_data as $category ) {
-			$url_query     = wp_parse_args(
-				array(
-					'filter'     => 'single_category',
-					'categories' => $category['category_id'],
-				),
-				$persisted_query
-			);
-			$category_url  = wc_admin_url( 'analytics/categories', $url_query );
-			$category_name = isset( $category['extended_info'] ) && isset( $category['extended_info']['name'] ) ? $category['extended_info']['name'] : '';
-			$rows[]        = array(
-				array(
-					'display' => "<a href='{$category_url}'>{$category_name}</a>",
-					'value'   => $category_name,
-				),
-				array(
-					'display' => wc_admin_number_format( $category['items_sold'] ),
-					'value'   => $category['items_sold'],
-				),
-				array(
-					'display' => wc_price( $category['net_revenue'] ),
-					'value'   => $category['net_revenue'],
-				),
-			);
-		}
-
-		return array(
-			'id'      => 'categories',
-			'label'   => __( 'Top Categories - Items Sold', 'woocommerce' ),
-			'headers' => array(
-				array(
-					'label' => __( 'Category', 'woocommerce' ),
-				),
-				array(
-					'label' => __( 'Items Sold', 'woocommerce' ),
-				),
-				array(
-					'label' => __( 'Net Revenue', 'woocommerce' ),
-				),
-			),
-			'rows'    => $rows,
-		);
-	}
-
-	/**
-	 * Get the data for the customers leaderboard.
-	 *
-	 * @param int    $per_page Number of rows.
-	 * @param string $after Items after date.
-	 * @param string $before Items before date.
-	 * @param string $persisted_query URL query string.
-	 */
-	public function get_customers_leaderboard( $per_page, $after, $before, $persisted_query ) {
-		$customers_data_store = new \WC_Admin_Reports_Customers_Data_Store();
-		$customers_data       = $per_page > 0 ? $customers_data_store->get_data(
-			array(
-				'orderby'      => 'total_spend',
-				'order'        => 'desc',
-				'order_after'  => $after,
-				'order_before' => $before,
-				'per_page'     => $per_page,
-			)
-		)->data : array();
-
-		$rows = array();
-		foreach ( $customers_data as $customer ) {
-			$url_query    = wp_parse_args(
-				array(
-					'filter'    => 'single_customer',
-					'customers' => $customer['id'],
-				),
-				$persisted_query
-			);
-			$customer_url = wc_admin_url( 'analytics/customers', $url_query );
-			$rows[]       = array(
-				array(
-					'display' => "<a href='{$customer_url}'>{$customer['name']}</a>",
-					'value'   => $customer['name'],
-				),
-				array(
-					'display' => wc_admin_number_format( $customer['orders_count'] ),
-					'value'   => $customer['orders_count'],
-				),
-				array(
-					'display' => wc_price( $customer['total_spend'] ),
-					'value'   => $customer['total_spend'],
-				),
-			);
-		}
-
-		return array(
-			'id'      => 'customers',
-			'label'   => __( 'Top Customers - Total Spend', 'woocommerce' ),
-			'headers' => array(
-				array(
-					'label' => __( 'Customer Name', 'woocommerce' ),
-				),
-				array(
-					'label' => __( 'Orders', 'woocommerce' ),
-				),
-				array(
-					'label' => __( 'Total Spend', 'woocommerce' ),
-				),
-			),
-			'rows'    => $rows,
-		);
-	}
-
-	/**
-	 * Get the data for the products leaderboard.
-	 *
-	 * @param int    $per_page Number of rows.
-	 * @param string $after Items after date.
-	 * @param string $before Items before date.
-	 * @param string $persisted_query URL query string.
-	 */
-	public function get_products_leaderboard( $per_page, $after, $before, $persisted_query ) {
-		$products_data_store = new \WC_Admin_Reports_Products_Data_Store();
-		$products_data       = $per_page > 0 ? $products_data_store->get_data(
-			array(
-				'orderby'       => 'items_sold',
-				'order'         => 'desc',
-				'after'         => $after,
-				'before'        => $before,
-				'per_page'      => $per_page,
-				'extended_info' => true,
-			)
-		)->data : array();
-
-		$rows = array();
-		foreach ( $products_data as $product ) {
-			$url_query    = wp_parse_args(
-				array(
-					'filter'   => 'single_product',
-					'products' => $product['product_id'],
-				),
-				$persisted_query
-			);
-			$product_url  = wc_admin_url( 'analytics/products', $url_query );
-			$product_name = isset( $product['extended_info'] ) && isset( $product['extended_info']['name'] ) ? $product['extended_info']['name'] : '';
-			$rows[]       = array(
-				array(
-					'display' => "<a href='{$product_url}'>{$product_name}</a>",
-					'value'   => $product_name,
-				),
-				array(
-					'display' => wc_admin_number_format( $product['items_sold'] ),
-					'value'   => $product['items_sold'],
-				),
-				array(
-					'display' => wc_price( $product['net_revenue'] ),
-					'value'   => $product['net_revenue'],
-				),
-			);
-		}
-
-		return array(
-			'id'      => 'products',
-			'label'   => __( 'Top Products - Items Sold', 'woocommerce' ),
-			'headers' => array(
-				array(
-					'label' => __( 'Product', 'woocommerce' ),
-				),
-				array(
-					'label' => __( 'Items Sold', 'woocommerce' ),
-				),
-				array(
-					'label' => __( 'Net Revenue', 'woocommerce' ),
-				),
-			),
-			'rows'    => $rows,
-		);
-	}
-
-	/**
-	 * Get an array of all leaderboards.
-	 *
-	 * @param int    $per_page Number of rows.
-	 * @param string $after Items after date.
-	 * @param string $before Items before date.
-	 * @param string $persisted_query URL query string.
-	 * @return array
-	 */
-	public function get_leaderboards( $per_page, $after, $before, $persisted_query ) {
-		$leaderboards = array(
-			$this->get_customers_leaderboard( $per_page, $after, $before, $persisted_query ),
-			$this->get_coupons_leaderboard( $per_page, $after, $before, $persisted_query ),
-			$this->get_categories_leaderboard( $per_page, $after, $before, $persisted_query ),
-			$this->get_products_leaderboard( $per_page, $after, $before, $persisted_query ),
-		);
-
-		return apply_filters( 'woocommerce_leaderboards', $leaderboards, $per_page, $after, $before, $persisted_query );
-	}
-
-	/**
-	 * Return all leaderboards.
-	 *
-	 * @param  \WP_REST_Request $request Request data.
-	 * @return \WP_Error\WP_REST_Response
-	 */
-	public function get_items( $request ) {
-		$persisted_query = json_decode( $request['persisted_query'], true );
-		$leaderboards    = $this->get_leaderboards( $request['per_page'], $request['after'], $request['before'], $persisted_query );
-		$data            = array();
-
-		if ( ! empty( $leaderboards ) ) {
-			foreach ( $leaderboards as $leaderboard ) {
-				$response = $this->prepare_item_for_response( $leaderboard, $request );
-				$data[]   = $this->prepare_response_for_collection( $response );
-			}
-		}
-
-		return rest_ensure_response( $data );
-	}
-
-	/**
-	 * Returns a list of allowed leaderboards.
-	 *
-	 * @param  \WP_REST_Request $request Request data.
-	 * @return array|\WP_Error
-	 */
-	public function get_allowed_items( $request ) {
-		$leaderboards = $this->get_leaderboards( 0, null, null, null );
-
-		$data = array();
-		foreach ( $leaderboards as $leaderboard ) {
-			$data[] = (object) array(
-				'id'      => $leaderboard['id'],
-				'label'   => $leaderboard['label'],
-				'headers' => $leaderboard['headers'],
-			);
-		}
-
-		$objects = array();
-		foreach ( $data as $item ) {
-			$prepared  = $this->prepare_item_for_response( $item, $request );
-			$objects[] = $this->prepare_response_for_collection( $prepared );
-		}
-
-		$response = rest_ensure_response( $objects );
-		$response->header( 'X-WP-Total', count( $data ) );
-		$response->header( 'X-WP-TotalPages', 1 );
-
-		$base = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
-
-		return $response;
-	}
-
-	/**
-	 * Prepare the data object for response.
-	 *
-	 * @param object          $item Data object.
-	 * @param \WP_REST_Request $request Request object.
-	 * @return \WP_REST_Response $response Response data.
-	 */
-	public function prepare_item_for_response( $item, $request ) {
-		$data     = $this->add_additional_fields_to_object( $item, $request );
-		$data     = $this->filter_response_by_context( $data, 'view' );
-		$response = rest_ensure_response( $data );
-
-		/**
-		 * Filter the list returned from the API.
-		 *
-		 * @param \WP_REST_Response $response The response object.
-		 * @param array            $item     The original item.
-		 * @param \WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_leaderboard', $response, $item, $request );
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params                    = array();
-		$params['page']            = array(
-			'description'       => __( 'Current page of the collection.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 1,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-			'minimum'           => 1,
-		);
-		$params['per_page']        = array(
-			'description'       => __( 'Maximum number of items to be returned in result set.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 5,
-			'minimum'           => 1,
-			'maximum'           => 20,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['after']           = array(
-			'description'       => __( 'Limit response to resources published after a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['before']          = array(
-			'description'       => __( 'Limit response to resources published before a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['persisted_query'] = array(
-			'description'       => __( 'URL query to persist across links.', 'woocommerce' ),
-			'type'              => 'string',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		return $params;
-	}
-
-	/**
-	 * Get the schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_item_schema() {
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'leaderboard',
-			'type'       => 'object',
-			'properties' => array(
-				'id'      => array(
-					'type'        => 'string',
-					'description' => __( 'Leaderboard ID.', 'woocommerce' ),
-					'context'     => array( 'view' ),
-					'readonly'    => true,
-				),
-				'label'   => array(
-					'type'        => 'string',
-					'description' => __( 'Displayed title for the leaderboard.', 'woocommerce' ),
-					'context'     => array( 'view' ),
-					'readonly'    => true,
-				),
-				'headers' => array(
-					'type'        => 'array',
-					'description' => __( 'Table headers.', 'woocommerce' ),
-					'context'     => array( 'view' ),
-					'readonly'    => true,
-					'items'       => array(
-						'type'       => 'array',
-						'properties' => array(
-							'label' => array(
-								'description' => __( 'Table column header.', 'woocommerce' ),
-								'type'        => 'string',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-						),
-					),
-				),
-				'rows'    => array(
-					'type'        => 'array',
-					'description' => __( 'Table rows.', 'woocommerce' ),
-					'context'     => array( 'view' ),
-					'readonly'    => true,
-					'items'       => array(
-						'type'       => 'array',
-						'properties' => array(
-							'display' => array(
-								'description' => __( 'Table cell display.', 'woocommerce' ),
-								'type'        => 'string',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'value'   => array(
-								'description' => __( 'Table cell value.', 'woocommerce' ),
-								'type'        => 'string',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-						),
-					),
-				),
-			),
-		);
-
-		return $this->add_additional_fields_schema( $schema );
-	}
-
-	/**
-	 * Get schema for the list of allowed leaderboards.
-	 *
-	 * @return array $schema
-	 */
-	public function get_public_allowed_item_schema() {
-		$schema = $this->get_public_item_schema();
-		unset( $schema['properties']['rows'] );
-		return $schema;
-	}
-}
diff --git a/src/Controllers/Version4/Reports/Categories.php b/src/Controllers/Version4/Reports/Categories.php
deleted file mode 100644
index 1c8a6d65572..00000000000
--- a/src/Controllers/Version4/Reports/Categories.php
+++ /dev/null
@@ -1,314 +0,0 @@
-<?php
-/**
- * REST API Reports categories controller
- *
- * Handles requests to the /reports/categories endpoint.
- *
- * @package WooCommerce/RestApi
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4\Reports;
-
-defined( 'ABSPATH' ) || exit;
-
-use \WooCommerce\RestApi\Controllers\Version4\Reports as Reports;
-
-/**
- * REST API Categories Reports class.
- */
-class Categories extends Reports {
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'reports/categories';
-
-	/**
-	 * Maps query arguments from the REST request.
-	 *
-	 * @param array $request Request array.
-	 * @return array
-	 */
-	protected function prepare_reports_query( $request ) {
-		$args                  = array();
-		$args['before']        = $request['before'];
-		$args['after']         = $request['after'];
-		$args['interval']      = $request['interval'];
-		$args['page']          = $request['page'];
-		$args['per_page']      = $request['per_page'];
-		$args['orderby']       = $request['orderby'];
-		$args['order']         = $request['order'];
-		$args['extended_info'] = $request['extended_info'];
-		$args['categories']    = (array) $request['categories'];
-		$args['status_is']     = (array) $request['status_is'];
-		$args['status_is_not'] = (array) $request['status_is_not'];
-
-		return $args;
-	}
-
-	/**
-	 * Get all reports.
-	 *
-	 * @param \WP_REST_Request $request Request data.
-	 * @return array|\WP_Error
-	 */
-	public function get_items( $request ) {
-		$query_args       = $this->prepare_reports_query( $request );
-		$categories_query = new \WC_Admin_Reports_Categories_Query( $query_args );
-		$report_data      = $categories_query->get_data();
-
-		if ( is_wp_error( $report_data ) ) {
-			return $report_data;
-		}
-
-		if ( ! isset( $report_data->data ) || ! isset( $report_data->page_no ) || ! isset( $report_data->pages ) ) {
-			return new \WP_Error( 'woocommerce_rest_reports_categories_invalid_response', __( 'Invalid response from data store.', 'woocommerce' ), array( 'status' => 500 ) );
-		}
-
-		$out_data = array();
-
-		foreach ( $report_data->data as $datum ) {
-			$item       = $this->prepare_item_for_response( $datum, $request );
-			$out_data[] = $this->prepare_response_for_collection( $item );
-		}
-
-		$response = rest_ensure_response( $out_data );
-		$response->header( 'X-WP-Total', (int) $report_data->total );
-		$response->header( 'X-WP-TotalPages', (int) $report_data->pages );
-
-		$page      = $report_data->page_no;
-		$max_pages = $report_data->pages;
-		$base      = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
-		if ( $page > 1 ) {
-			$prev_page = $page - 1;
-			if ( $prev_page > $max_pages ) {
-				$prev_page = $max_pages;
-			}
-			$prev_link = add_query_arg( 'page', $prev_page, $base );
-			$response->link_header( 'prev', $prev_link );
-		}
-		if ( $max_pages > $page ) {
-			$next_page = $page + 1;
-			$next_link = add_query_arg( 'page', $next_page, $base );
-			$response->link_header( 'next', $next_link );
-		}
-
-		return $response;
-	}
-
-	/**
-	 * Prepare a report object for serialization.
-	 *
-	 * @param stdClass        $report  Report data.
-	 * @param \WP_REST_Request $request Request object.
-	 * @return \WP_REST_Response
-	 */
-	public function prepare_item_for_response( $report, $request ) {
-		$data = $report;
-
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data    = $this->add_additional_fields_to_object( $data, $request );
-		$data    = $this->filter_response_by_context( $data, $context );
-
-		// Wrap the data in a response object.
-		$response = rest_ensure_response( $data );
-		$response->add_links( $this->prepare_links( $report ) );
-
-		/**
-		 * Filter a report returned from the API.
-		 *
-		 * Allows modification of the report data right before it is returned.
-		 *
-		 * @param \WP_REST_Response $response The response object.
-		 * @param object           $report   The original report object.
-		 * @param \WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_report_categories', $response, $report, $request );
-	}
-
-	/**
-	 * Prepare links for the request.
-	 *
-	 * @param WC_Admin_Reports_Query $object Object data.
-	 * @return array
-	 */
-	protected function prepare_links( $object ) {
-		$links = array(
-			'category' => array(
-				'href' => rest_url( sprintf( '/%s/products/categories/%d', $this->namespace, $object['category_id'] ) ),
-			),
-		);
-
-		return $links;
-	}
-
-	/**
-	 * Get the Report's schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_item_schema() {
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'report_categories',
-			'type'       => 'object',
-			'properties' => array(
-				'category_id'    => array(
-					'description' => __( 'Category ID.', 'woocommerce' ),
-					'type'        => 'integer',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'items_sold'     => array(
-					'description' => __( 'Amount of items sold.', 'woocommerce' ),
-					'type'        => 'integer',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'net_revenue'    => array(
-					'description' => __( 'Gross revenue.', 'woocommerce' ),
-					'type'        => 'number',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'orders_count'   => array(
-					'description' => __( 'Amount of orders.', 'woocommerce' ),
-					'type'        => 'integer',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'products_count' => array(
-					'description' => __( 'Amount of products.', 'woocommerce' ),
-					'type'        => 'integer',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'extended_info'  => array(
-					'name' => array(
-						'type'        => 'string',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Category name.', 'woocommerce' ),
-					),
-				),
-			),
-		);
-
-		return $this->add_additional_fields_schema( $schema );
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params                  = array();
-		$params['context']       = $this->get_context_param( array( 'default' => 'view' ) );
-		$params['page']          = array(
-			'description'       => __( 'Current page of the collection.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 1,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-			'minimum'           => 1,
-		);
-		$params['per_page']      = array(
-			'description'       => __( 'Maximum number of items to be returned in result set.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 10,
-			'minimum'           => 1,
-			'maximum'           => 100,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['after']         = array(
-			'description'       => __( 'Limit response to resources published after a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['before']        = array(
-			'description'       => __( 'Limit response to resources published before a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['order']         = array(
-			'description'       => __( 'Order sort attribute ascending or descending.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'desc',
-			'enum'              => array( 'asc', 'desc' ),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['orderby']       = array(
-			'description'       => __( 'Sort collection by object attribute.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'category_id',
-			'enum'              => array(
-				'category_id',
-				'items_sold',
-				'net_revenue',
-				'orders_count',
-				'products_count',
-				'category',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['interval']      = array(
-			'description'       => __( 'Time interval to use for buckets in the returned data.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'week',
-			'enum'              => array(
-				'hour',
-				'day',
-				'week',
-				'month',
-				'quarter',
-				'year',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['status_is']     = array(
-			'description'       => __( 'Limit result set to items that have the specified order status.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_slug_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'enum' => $this->get_order_statuses(),
-				'type' => 'string',
-			),
-		);
-		$params['status_is_not'] = array(
-			'description'       => __( 'Limit result set to items that don\'t have the specified order status.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_slug_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'enum' => $this->get_order_statuses(),
-				'type' => 'string',
-			),
-		);
-		$params['categories']    = array(
-			'description'       => __( 'Limit result set to all items that have the specified term assigned in the categories taxonomy.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-		);
-		$params['extended_info'] = array(
-			'description'       => __( 'Add additional piece of info about each category to the report.', 'woocommerce' ),
-			'type'              => 'boolean',
-			'default'           => false,
-			'sanitize_callback' => 'wc_string_to_bool',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-
-		return $params;
-	}
-
-}
diff --git a/src/Controllers/Version4/Reports/CouponStats.php b/src/Controllers/Version4/Reports/CouponStats.php
deleted file mode 100644
index e837f249bc5..00000000000
--- a/src/Controllers/Version4/Reports/CouponStats.php
+++ /dev/null
@@ -1,346 +0,0 @@
-<?php
-/**
- * REST API Reports coupons stats controller
- *
- * Handles requests to the /reports/coupons/stats endpoint.
- *
- * @package WooCommerce/RestApi
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4\Reports;
-
-defined( 'ABSPATH' ) || exit;
-
-use \WooCommerce\RestApi\Controllers\Version4\Reports as Reports;
-
-/**
- * REST API CouponStats Reports class.
- */
-class CouponStats extends Reports {
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'reports/coupons/stats';
-
-	/**
-	 * Maps query arguments from the REST request.
-	 *
-	 * @param array $request Request array.
-	 * @return array
-	 */
-	protected function prepare_reports_query( $request ) {
-		$args              = array();
-		$args['before']    = $request['before'];
-		$args['after']     = $request['after'];
-		$args['interval']  = $request['interval'];
-		$args['page']      = $request['page'];
-		$args['per_page']  = $request['per_page'];
-		$args['orderby']   = $request['orderby'];
-		$args['order']     = $request['order'];
-		$args['coupons']   = (array) $request['coupons'];
-		$args['segmentby'] = $request['segmentby'];
-
-		return $args;
-	}
-
-	/**
-	 * Get all reports.
-	 *
-	 * @param \WP_REST_Request $request Request data.
-	 * @return array|\WP_Error
-	 */
-	public function get_items( $request ) {
-		$query_args    = $this->prepare_reports_query( $request );
-		$coupons_query = new \WC_Admin_Reports_Coupons_Stats_Query( $query_args );
-		try {
-			$report_data = $coupons_query->get_data();
-		} catch ( \WC_Admin_Reports_Parameter_Exception $e ) {
-			return new \WP_Error( $e->getErrorCode(), $e->getMessage(), array( 'status' => $e->getCode() ) );
-		}
-
-		$out_data = array(
-			'totals'    => get_object_vars( $report_data->totals ),
-			'intervals' => array(),
-		);
-
-		foreach ( $report_data->intervals as $interval_data ) {
-			$item                    = $this->prepare_item_for_response( (object) $interval_data, $request );
-			$out_data['intervals'][] = $this->prepare_response_for_collection( $item );
-		}
-
-		$response = rest_ensure_response( $out_data );
-		$response->header( 'X-WP-Total', (int) $report_data->total );
-		$response->header( 'X-WP-TotalPages', (int) $report_data->pages );
-
-		$page      = $report_data->page_no;
-		$max_pages = $report_data->pages;
-		$base      = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
-		if ( $page > 1 ) {
-			$prev_page = $page - 1;
-			if ( $prev_page > $max_pages ) {
-				$prev_page = $max_pages;
-			}
-			$prev_link = add_query_arg( 'page', $prev_page, $base );
-			$response->link_header( 'prev', $prev_link );
-		}
-		if ( $max_pages > $page ) {
-			$next_page = $page + 1;
-			$next_link = add_query_arg( 'page', $next_page, $base );
-			$response->link_header( 'next', $next_link );
-		}
-
-		return $response;
-	}
-
-	/**
-	 * Prepare a report object for serialization.
-	 *
-	 * @param stdClass        $report  Report data.
-	 * @param \WP_REST_Request $request Request object.
-	 * @return \WP_REST_Response
-	 */
-	public function prepare_item_for_response( $report, $request ) {
-		$data = get_object_vars( $report );
-
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data    = $this->add_additional_fields_to_object( $data, $request );
-		$data    = $this->filter_response_by_context( $data, $context );
-
-		// Wrap the data in a response object.
-		$response = rest_ensure_response( $data );
-
-		/**
-		 * Filter a report returned from the API.
-		 *
-		 * Allows modification of the report data right before it is returned.
-		 *
-		 * @param \WP_REST_Response $response The response object.
-		 * @param object           $report   The original report object.
-		 * @param \WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_report_coupons_stats', $response, $report, $request );
-	}
-
-	/**
-	 * Get the Report's schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_item_schema() {
-		$data_values = array(
-			'amount'        => array(
-				'description' => __( 'Net discount amount.', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'indicator'   => true,
-				'format'      => 'currency',
-			),
-			'coupons_count' => array(
-				'description' => __( 'Amount of coupons.', 'woocommerce' ),
-				'type'        => 'integer',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-			),
-			'orders_count'  => array(
-				'description' => __( 'Amount of discounted orders.', 'woocommerce' ),
-				'type'        => 'integer',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'indicator'   => true,
-			),
-		);
-
-		$segments = array(
-			'segments' => array(
-				'description' => __( 'Reports data grouped by segment condition.', 'woocommerce' ),
-				'type'        => 'array',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'items'       => array(
-					'type'       => 'object',
-					'properties' => array(
-						'segment_id' => array(
-							'description' => __( 'Segment identificator.', 'woocommerce' ),
-							'type'        => 'integer',
-							'context'     => array( 'view', 'edit' ),
-							'readonly'    => true,
-						),
-						'subtotals'  => array(
-							'description' => __( 'Interval subtotals.', 'woocommerce' ),
-							'type'        => 'object',
-							'context'     => array( 'view', 'edit' ),
-							'readonly'    => true,
-							'properties'  => $data_values,
-						),
-					),
-				),
-			),
-		);
-
-		$totals = array_merge( $data_values, $segments );
-
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'report_coupons_stats',
-			'type'       => 'object',
-			'properties' => array(
-				'totals'    => array(
-					'description' => __( 'Totals data.', 'woocommerce' ),
-					'type'        => 'object',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-					'properties'  => $totals,
-				),
-				'intervals' => array(
-					'description' => __( 'Reports data grouped by intervals.', 'woocommerce' ),
-					'type'        => 'array',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-					'items'       => array(
-						'type'       => 'object',
-						'properties' => array(
-							'interval'       => array(
-								'description' => __( 'Type of interval.', 'woocommerce' ),
-								'type'        => 'string',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-								'enum'        => array( 'day', 'week', 'month', 'year' ),
-							),
-							'date_start'     => array(
-								'description' => __( "The date the report start, in the site's timezone.", 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'date_start_gmt' => array(
-								'description' => __( 'The date the report start, as GMT.', 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'date_end'       => array(
-								'description' => __( "The date the report end, in the site's timezone.", 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'date_end_gmt'   => array(
-								'description' => __( 'The date the report end, as GMT.', 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'subtotals'      => array(
-								'description' => __( 'Interval subtotals.', 'woocommerce' ),
-								'type'        => 'object',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-								'properties'  => $totals,
-							),
-						),
-					),
-				),
-			),
-		);
-
-		return $this->add_additional_fields_schema( $schema );
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params              = array();
-		$params['context']   = $this->get_context_param( array( 'default' => 'view' ) );
-		$params['page']      = array(
-			'description'       => __( 'Current page of the collection.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 1,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-			'minimum'           => 1,
-		);
-		$params['per_page']  = array(
-			'description'       => __( 'Maximum number of items to be returned in result set.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 10,
-			'minimum'           => 1,
-			'maximum'           => 100,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['after']     = array(
-			'description'       => __( 'Limit response to resources published after a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['before']    = array(
-			'description'       => __( 'Limit response to resources published before a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['order']     = array(
-			'description'       => __( 'Order sort attribute ascending or descending.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'desc',
-			'enum'              => array( 'asc', 'desc' ),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['orderby']   = array(
-			'description'       => __( 'Sort collection by object attribute.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'date',
-			'enum'              => array(
-				'date',
-				'amount',
-				'coupons_count',
-				'orders_count',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['interval']  = array(
-			'description'       => __( 'Time interval to use for buckets in the returned data.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'week',
-			'enum'              => array(
-				'hour',
-				'day',
-				'week',
-				'month',
-				'quarter',
-				'year',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['coupons']   = array(
-			'description'       => __( 'Limit result set to coupons assigned specific coupon IDs.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-		);
-		$params['segmentby'] = array(
-			'description'       => __( 'Segment the response by additional constraint.', 'woocommerce' ),
-			'type'              => 'string',
-			'enum'              => array(
-				'product',
-				'variation',
-				'category',
-				'coupon',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-
-		return $params;
-	}
-}
diff --git a/src/Controllers/Version4/Reports/Coupons.php b/src/Controllers/Version4/Reports/Coupons.php
deleted file mode 100644
index 959e6b3fc2b..00000000000
--- a/src/Controllers/Version4/Reports/Coupons.php
+++ /dev/null
@@ -1,284 +0,0 @@
-<?php
-/**
- * REST API Reports coupons controller
- *
- * Handles requests to the /reports/coupons endpoint.
- *
- * @package WooCommerce/RestApi
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4\Reports;
-
-defined( 'ABSPATH' ) || exit;
-
-use \WooCommerce\RestApi\Controllers\Version4\Reports as Reports;
-
-/**
- * REST API Coupons Reports class.
- */
-class Coupons extends Reports {
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'reports/coupons';
-
-	/**
-	 * Maps query arguments from the REST request.
-	 *
-	 * @param array $request Request array.
-	 * @return array
-	 */
-	protected function prepare_reports_query( $request ) {
-		$args                  = array();
-		$args['before']        = $request['before'];
-		$args['after']         = $request['after'];
-		$args['page']          = $request['page'];
-		$args['per_page']      = $request['per_page'];
-		$args['orderby']       = $request['orderby'];
-		$args['order']         = $request['order'];
-		$args['coupons']       = (array) $request['coupons'];
-		$args['extended_info'] = $request['extended_info'];
-		return $args;
-	}
-
-	/**
-	 * Get all reports.
-	 *
-	 * @param \WP_REST_Request $request Request data.
-	 * @return array|\WP_Error
-	 */
-	public function get_items( $request ) {
-		$query_args    = $this->prepare_reports_query( $request );
-		$coupons_query = new \WC_Admin_Reports_Coupons_Query( $query_args );
-		$report_data   = $coupons_query->get_data();
-
-		$data = array();
-
-		foreach ( $report_data->data as $coupons_data ) {
-			$item   = $this->prepare_item_for_response( $coupons_data, $request );
-			$data[] = $this->prepare_response_for_collection( $item );
-		}
-
-		$response = rest_ensure_response( $data );
-		$response->header( 'X-WP-Total', (int) $report_data->total );
-		$response->header( 'X-WP-TotalPages', (int) $report_data->pages );
-
-		$page      = $report_data->page_no;
-		$max_pages = $report_data->pages;
-		$base      = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
-		if ( $page > 1 ) {
-			$prev_page = $page - 1;
-			if ( $prev_page > $max_pages ) {
-				$prev_page = $max_pages;
-			}
-			$prev_link = add_query_arg( 'page', $prev_page, $base );
-			$response->link_header( 'prev', $prev_link );
-		}
-		if ( $max_pages > $page ) {
-			$next_page = $page + 1;
-			$next_link = add_query_arg( 'page', $next_page, $base );
-			$response->link_header( 'next', $next_link );
-		}
-
-		return $response;
-	}
-
-	/**
-	 * Prepare a report object for serialization.
-	 *
-	 * @param stdClass        $report  Report data.
-	 * @param \WP_REST_Request $request Request object.
-	 * @return \WP_REST_Response
-	 */
-	public function prepare_item_for_response( $report, $request ) {
-		$data = $report;
-
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data    = $this->add_additional_fields_to_object( $data, $request );
-		$data    = $this->filter_response_by_context( $data, $context );
-
-		// Wrap the data in a response object.
-		$response = rest_ensure_response( $data );
-		$response->add_links( $this->prepare_links( $report ) );
-
-		/**
-		 * Filter a report returned from the API.
-		 *
-		 * Allows modification of the report data right before it is returned.
-		 *
-		 * @param \WP_REST_Response $response The response object.
-		 * @param object           $report   The original report object.
-		 * @param \WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_report_coupons', $response, $report, $request );
-	}
-
-	/**
-	 * Prepare links for the request.
-	 *
-	 * @param WC_Reports_Query $object Object data.
-	 * @return array
-	 */
-	protected function prepare_links( $object ) {
-		$links = array(
-			'coupon' => array(
-				'href' => rest_url( sprintf( '/%s/coupons/%d', $this->namespace, $object['coupon_id'] ) ),
-			),
-		);
-
-		return $links;
-	}
-
-	/**
-	 * Get the Report's schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_item_schema() {
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'report_coupons',
-			'type'       => 'object',
-			'properties' => array(
-				'coupon_id'     => array(
-					'description' => __( 'Coupon ID.', 'woocommerce' ),
-					'type'        => 'integer',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'amount'        => array(
-					'description' => __( 'Net discount amount.', 'woocommerce' ),
-					'type'        => 'number',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'orders_count'  => array(
-					'description' => __( 'Amount of orders.', 'woocommerce' ),
-					'type'        => 'integer',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'extended_info' => array(
-					'code'             => array(
-						'type'        => 'string',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Coupon code.', 'woocommerce' ),
-					),
-					'date_created'     => array(
-						'type'        => 'date-time',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Coupon creation date.', 'woocommerce' ),
-					),
-					'date_created_gmt' => array(
-						'type'        => 'date-time',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Coupon creation date in GMT.', 'woocommerce' ),
-					),
-					'date_expires'     => array(
-						'type'        => 'date-time',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Coupon expiration date.', 'woocommerce' ),
-					),
-					'date_expires_gmt' => array(
-						'type'        => 'date-time',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Coupon expiration date in GMT.', 'woocommerce' ),
-					),
-					'discount_type'    => array(
-						'type'        => 'string',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'enum'        => array_keys( wc_get_coupon_types() ),
-						'description' => __( 'Coupon discount type.', 'woocommerce' ),
-					),
-				),
-			),
-		);
-
-		return $this->add_additional_fields_schema( $schema );
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params                  = array();
-		$params['context']       = $this->get_context_param( array( 'default' => 'view' ) );
-		$params['page']          = array(
-			'description'       => __( 'Current page of the collection.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 1,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-			'minimum'           => 1,
-		);
-		$params['per_page']      = array(
-			'description'       => __( 'Maximum number of items to be returned in result set.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 10,
-			'minimum'           => 1,
-			'maximum'           => 100,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['after']         = array(
-			'description'       => __( 'Limit response to resources published after a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['before']        = array(
-			'description'       => __( 'Limit response to resources published before a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['order']         = array(
-			'description'       => __( 'Order sort attribute ascending or descending.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'desc',
-			'enum'              => array( 'asc', 'desc' ),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['orderby']       = array(
-			'description'       => __( 'Sort collection by object attribute.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'coupon_id',
-			'enum'              => array(
-				'coupon_id',
-				'code',
-				'amount',
-				'orders_count',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['coupons']       = array(
-			'description'       => __( 'Limit result set to coupons assigned specific coupon IDs.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-		);
-		$params['extended_info'] = array(
-			'description'       => __( 'Add additional piece of info about each coupon to the report.', 'woocommerce' ),
-			'type'              => 'boolean',
-			'default'           => false,
-			'sanitize_callback' => 'wc_string_to_bool',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-
-		return $params;
-	}
-}
diff --git a/src/Controllers/Version4/Reports/CustomerStats.php b/src/Controllers/Version4/Reports/CustomerStats.php
deleted file mode 100644
index cb7af69549d..00000000000
--- a/src/Controllers/Version4/Reports/CustomerStats.php
+++ /dev/null
@@ -1,359 +0,0 @@
-<?php
-/**
- * REST API Reports customers stats controller
- *
- * Handles requests to the /reports/customers/stats endpoint.
- *
- * @package WooCommerce/RestApi
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4\Reports;
-
-defined( 'ABSPATH' ) || exit;
-
-use \WooCommerce\RestApi\Controllers\Version4\Reports as Reports;
-
-/**
- * REST API CustomerStats Reports class.
- */
-class CustomerStats extends Reports {
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'reports/customers/stats';
-
-	/**
-	 * Maps query arguments from the REST request.
-	 *
-	 * @param array $request Request array.
-	 * @return array
-	 */
-	protected function prepare_reports_query( $request ) {
-		$args                        = array();
-		$args['registered_before']   = $request['registered_before'];
-		$args['registered_after']    = $request['registered_after'];
-		$args['match']               = $request['match'];
-		$args['search']              = $request['search'];
-		$args['name_includes']       = $request['name_includes'];
-		$args['name_excludes']       = $request['name_excludes'];
-		$args['username_includes']   = $request['username_includes'];
-		$args['username_excludes']   = $request['username_excludes'];
-		$args['email_includes']      = $request['email_includes'];
-		$args['email_excludes']      = $request['email_excludes'];
-		$args['country_includes']    = $request['country_includes'];
-		$args['country_excludes']    = $request['country_excludes'];
-		$args['last_active_before']  = $request['last_active_before'];
-		$args['last_active_after']   = $request['last_active_after'];
-		$args['orders_count_min']    = $request['orders_count_min'];
-		$args['orders_count_max']    = $request['orders_count_max'];
-		$args['total_spend_min']     = $request['total_spend_min'];
-		$args['total_spend_max']     = $request['total_spend_max'];
-		$args['avg_order_value_min'] = $request['avg_order_value_min'];
-		$args['avg_order_value_max'] = $request['avg_order_value_max'];
-		$args['last_order_before']   = $request['last_order_before'];
-		$args['last_order_after']    = $request['last_order_after'];
-		$args['customers']           = $request['customers'];
-
-		$between_params_numeric    = array( 'orders_count', 'total_spend', 'avg_order_value' );
-		$normalized_params_numeric = \WC_Admin_Reports_Interval::normalize_between_params( $request, $between_params_numeric, false );
-		$between_params_date       = array( 'last_active', 'registered' );
-		$normalized_params_date    = \WC_Admin_Reports_Interval::normalize_between_params( $request, $between_params_date, true );
-		$args                      = array_merge( $args, $normalized_params_numeric, $normalized_params_date );
-
-		return $args;
-	}
-
-	/**
-	 * Get all reports.
-	 *
-	 * @param \WP_REST_Request $request Request data.
-	 * @return array|\WP_Error
-	 */
-	public function get_items( $request ) {
-		$query_args      = $this->prepare_reports_query( $request );
-		$customers_query = new \WC_Admin_Reports_Customers_Stats_Query( $query_args );
-		$report_data     = $customers_query->get_data();
-		$out_data        = array(
-			'totals' => $report_data,
-		);
-
-		return rest_ensure_response( $out_data );
-	}
-
-	/**
-	 * Prepare a report object for serialization.
-	 *
-	 * @param Array           $report  Report data.
-	 * @param \WP_REST_Request $request Request object.
-	 * @return \WP_REST_Response
-	 */
-	public function prepare_item_for_response( $report, $request ) {
-		$data = $report;
-
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data    = $this->add_additional_fields_to_object( $data, $request );
-		$data    = $this->filter_response_by_context( $data, $context );
-
-		// Wrap the data in a response object.
-		$response = rest_ensure_response( $data );
-
-		/**
-		 * Filter a report returned from the API.
-		 *
-		 * Allows modification of the report data right before it is returned.
-		 *
-		 * @param \WP_REST_Response $response The response object.
-		 * @param object           $report   The original report object.
-		 * @param \WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_report_customers_stats', $response, $report, $request );
-	}
-
-	/**
-	 * Get the Report's schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_item_schema() {
-		// @todo Should any of these be 'indicator's?
-		$totals = array(
-			'customers_count'     => array(
-				'description' => __( 'Number of customers.', 'woocommerce' ),
-				'type'        => 'integer',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-			),
-			'avg_orders_count'    => array(
-				'description' => __( 'Average number of orders.', 'woocommerce' ),
-				'type'        => 'integer',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-			),
-			'avg_total_spend'     => array(
-				'description' => __( 'Average total spend per customer.', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'format'      => 'currency',
-			),
-			'avg_avg_order_value' => array(
-				'description' => __( 'Average AOV per customer.', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'format'      => 'currency',
-			),
-		);
-
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'report_customers_stats',
-			'type'       => 'object',
-			'properties' => array(
-				'totals' => array(
-					'description' => __( 'Totals data.', 'woocommerce' ),
-					'type'        => 'object',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-					'properties'  => $totals,
-				),
-			),
-		);
-
-		return $this->add_additional_fields_schema( $schema );
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params                            = array();
-		$params['context']                 = $this->get_context_param( array( 'default' => 'view' ) );
-		$params['registered_before']       = array(
-			'description'       => __( 'Limit response to objects registered before (or at) a given ISO8601 compliant datetime.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['registered_after']        = array(
-			'description'       => __( 'Limit response to objects registered after (or at) a given ISO8601 compliant datetime.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['match']                   = array(
-			'description'       => __( 'Indicates whether all the conditions should be true for the resulting set, or if any one of them is sufficient. Match affects the following parameters: status_is, status_is_not, product_includes, product_excludes, coupon_includes, coupon_excludes, customer, categories', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'all',
-			'enum'              => array(
-				'all',
-				'any',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['search']                  = array(
-			'description'       => __( 'Limit response to objects with a customer field containing the search term. Searches the field provided by `searchby`.', 'woocommerce' ),
-			'type'              => 'string',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['searchby']                = array(
-			'description' => 'Limit results with `search` and `searchby` to specific fields containing the search term.',
-			'type'        => 'string',
-			'default'     => 'name',
-			'enum'        => array(
-				'name',
-				'username',
-				'email',
-			),
-		);
-		$params['name_includes']           = array(
-			'description'       => __( 'Limit response to objects with specfic names.', 'woocommerce' ),
-			'type'              => 'string',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['name_excludes']           = array(
-			'description'       => __( 'Limit response to objects excluding specfic names.', 'woocommerce' ),
-			'type'              => 'string',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['username_includes']       = array(
-			'description'       => __( 'Limit response to objects with specfic usernames.', 'woocommerce' ),
-			'type'              => 'string',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['username_excludes']       = array(
-			'description'       => __( 'Limit response to objects excluding specfic usernames.', 'woocommerce' ),
-			'type'              => 'string',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['email_includes']          = array(
-			'description'       => __( 'Limit response to objects including emails.', 'woocommerce' ),
-			'type'              => 'string',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['email_excludes']          = array(
-			'description'       => __( 'Limit response to objects excluding emails.', 'woocommerce' ),
-			'type'              => 'string',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['country_includes']        = array(
-			'description'       => __( 'Limit response to objects with specfic countries.', 'woocommerce' ),
-			'type'              => 'string',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['country_excludes']        = array(
-			'description'       => __( 'Limit response to objects excluding specfic countries.', 'woocommerce' ),
-			'type'              => 'string',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['last_active_before']      = array(
-			'description'       => __( 'Limit response to objects last active before (or at) a given ISO8601 compliant datetime.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['last_active_after']       = array(
-			'description'       => __( 'Limit response to objects last active after (or at) a given ISO8601 compliant datetime.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['last_active_between']     = array(
-			'description'       => __( 'Limit response to objects last active between two given ISO8601 compliant datetime.', 'woocommerce' ),
-			'type'              => 'array',
-			'validate_callback' => array( 'WC_Admin_Reports_Interval', 'rest_validate_between_date_arg' ),
-		);
-		$params['registered_before']       = array(
-			'description'       => __( 'Limit response to objects registered before (or at) a given ISO8601 compliant datetime.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['registered_after']        = array(
-			'description'       => __( 'Limit response to objects registered after (or at) a given ISO8601 compliant datetime.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['registered_between']      = array(
-			'description'       => __( 'Limit response to objects last active between two given ISO8601 compliant datetime.', 'woocommerce' ),
-			'type'              => 'array',
-			'validate_callback' => array( 'WC_Admin_Reports_Interval', 'rest_validate_between_date_arg' ),
-		);
-		$params['orders_count_min']        = array(
-			'description'       => __( 'Limit response to objects with an order count greater than or equal to given integer.', 'woocommerce' ),
-			'type'              => 'integer',
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['orders_count_max']        = array(
-			'description'       => __( 'Limit response to objects with an order count less than or equal to given integer.', 'woocommerce' ),
-			'type'              => 'integer',
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['orders_count_between']    = array(
-			'description'       => __( 'Limit response to objects with an order count between two given integers.', 'woocommerce' ),
-			'type'              => 'array',
-			'validate_callback' => array( 'WC_Admin_Reports_Interval', 'rest_validate_between_numeric_arg' ),
-		);
-		$params['total_spend_min']         = array(
-			'description'       => __( 'Limit response to objects with a total order spend greater than or equal to given number.', 'woocommerce' ),
-			'type'              => 'number',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['total_spend_max']         = array(
-			'description'       => __( 'Limit response to objects with a total order spend less than or equal to given number.', 'woocommerce' ),
-			'type'              => 'number',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['total_spend_between']     = array(
-			'description'       => __( 'Limit response to objects with a total order spend between two given numbers.', 'woocommerce' ),
-			'type'              => 'array',
-			'validate_callback' => array( 'WC_Admin_Reports_Interval', 'rest_validate_between_numeric_arg' ),
-		);
-		$params['avg_order_value_min']     = array(
-			'description'       => __( 'Limit response to objects with an average order spend greater than or equal to given number.', 'woocommerce' ),
-			'type'              => 'number',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['avg_order_value_max']     = array(
-			'description'       => __( 'Limit response to objects with an average order spend less than or equal to given number.', 'woocommerce' ),
-			'type'              => 'number',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['avg_order_value_between'] = array(
-			'description'       => __( 'Limit response to objects with an average order spend between two given numbers.', 'woocommerce' ),
-			'type'              => 'array',
-			'validate_callback' => array( 'WC_Admin_Reports_Interval', 'rest_validate_between_numeric_arg' ),
-		);
-		$params['last_order_before']       = array(
-			'description'       => __( 'Limit response to objects with last order before (or at) a given ISO8601 compliant datetime.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['last_order_after']        = array(
-			'description'       => __( 'Limit response to objects with last order after (or at) a given ISO8601 compliant datetime.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['customers']               = array(
-			'description'       => __( 'Limit result to items with specified customer ids.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-		);
-
-		return $params;
-	}
-}
diff --git a/src/Controllers/Version4/Reports/Customers.php b/src/Controllers/Version4/Reports/Customers.php
deleted file mode 100644
index 8d9dfd89248..00000000000
--- a/src/Controllers/Version4/Reports/Customers.php
+++ /dev/null
@@ -1,511 +0,0 @@
-<?php
-/**
- * REST API Reports customers controller
- *
- * Handles requests to the /reports/customers endpoint.
- *
- * @package WooCommerce/RestApi
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4\Reports;
-
-defined( 'ABSPATH' ) || exit;
-
-use \WooCommerce\RestApi\Controllers\Version4\Reports as Reports;
-
-/**
- * REST API Customers Reports class.
- */
-class Customers extends Reports {
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'reports/customers';
-
-	/**
-	 * Maps query arguments from the REST request.
-	 *
-	 * @param array $request Request array.
-	 * @return array
-	 */
-	protected function prepare_reports_query( $request ) {
-		$args                        = array();
-		$args['registered_before']   = $request['registered_before'];
-		$args['registered_after']    = $request['registered_after'];
-		$args['order_before']        = $request['before'];
-		$args['order_after']         = $request['after'];
-		$args['page']                = $request['page'];
-		$args['per_page']            = $request['per_page'];
-		$args['order']               = $request['order'];
-		$args['orderby']             = $request['orderby'];
-		$args['match']               = $request['match'];
-		$args['search']              = $request['search'];
-		$args['searchby']            = $request['searchby'];
-		$args['name_includes']       = $request['name_includes'];
-		$args['name_excludes']       = $request['name_excludes'];
-		$args['username_includes']   = $request['username_includes'];
-		$args['username_excludes']   = $request['username_excludes'];
-		$args['email_includes']      = $request['email_includes'];
-		$args['email_excludes']      = $request['email_excludes'];
-		$args['country_includes']    = $request['country_includes'];
-		$args['country_excludes']    = $request['country_excludes'];
-		$args['last_active_before']  = $request['last_active_before'];
-		$args['last_active_after']   = $request['last_active_after'];
-		$args['orders_count_min']    = $request['orders_count_min'];
-		$args['orders_count_max']    = $request['orders_count_max'];
-		$args['total_spend_min']     = $request['total_spend_min'];
-		$args['total_spend_max']     = $request['total_spend_max'];
-		$args['avg_order_value_min'] = $request['avg_order_value_min'];
-		$args['avg_order_value_max'] = $request['avg_order_value_max'];
-		$args['last_order_before']   = $request['last_order_before'];
-		$args['last_order_after']    = $request['last_order_after'];
-		$args['customers']           = $request['customers'];
-
-		$between_params_numeric    = array( 'orders_count', 'total_spend', 'avg_order_value' );
-		$normalized_params_numeric = \WC_Admin_Reports_Interval::normalize_between_params( $request, $between_params_numeric, false );
-		$between_params_date       = array( 'last_active', 'registered' );
-		$normalized_params_date    = \WC_Admin_Reports_Interval::normalize_between_params( $request, $between_params_date, true );
-		$args                      = array_merge( $args, $normalized_params_numeric, $normalized_params_date );
-
-		return $args;
-	}
-
-	/**
-	 * Get all reports.
-	 *
-	 * @param \WP_REST_Request $request Request data.
-	 * @return array|\WP_Error
-	 */
-	public function get_items( $request ) {
-		$query_args      = $this->prepare_reports_query( $request );
-		$customers_query = new \WC_Admin_Reports_Customers_Query( $query_args );
-		$report_data     = $customers_query->get_data();
-
-		$data = array();
-
-		foreach ( $report_data->data as $customer_data ) {
-			$item   = $this->prepare_item_for_response( $customer_data, $request );
-			$data[] = $this->prepare_response_for_collection( $item );
-		}
-
-		$response = rest_ensure_response( $data );
-		$response->header( 'X-WP-Total', (int) $report_data->total );
-		$response->header( 'X-WP-TotalPages', (int) $report_data->pages );
-
-		$page      = $report_data->page_no;
-		$max_pages = $report_data->pages;
-		$base      = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
-		if ( $page > 1 ) {
-			$prev_page = $page - 1;
-			if ( $prev_page > $max_pages ) {
-				$prev_page = $max_pages;
-			}
-			$prev_link = add_query_arg( 'page', $prev_page, $base );
-			$response->link_header( 'prev', $prev_link );
-		}
-		if ( $max_pages > $page ) {
-			$next_page = $page + 1;
-			$next_link = add_query_arg( 'page', $next_page, $base );
-			$response->link_header( 'next', $next_link );
-		}
-
-		return $response;
-	}
-
-	/**
-	 * Prepare a report object for serialization.
-	 *
-	 * @param array           $report  Report data.
-	 * @param \WP_REST_Request $request Request object.
-	 * @return \WP_REST_Response
-	 */
-	public function prepare_item_for_response( $report, $request ) {
-		$context                      = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data                         = $this->add_additional_fields_to_object( $report, $request );
-		$data['date_registered_gmt']  = wc_rest_prepare_date_response( $data['date_registered'] );
-		$data['date_registered']      = wc_rest_prepare_date_response( $data['date_registered'], false );
-		$data['date_last_active_gmt'] = wc_rest_prepare_date_response( $data['date_last_active'] );
-		$data['date_last_active']     = wc_rest_prepare_date_response( $data['date_last_active'], false );
-		$data                         = $this->filter_response_by_context( $data, $context );
-
-		// Wrap the data in a response object.
-		$response = rest_ensure_response( $data );
-		$response->add_links( $this->prepare_links( $report ) );
-		/**
-		 * Filter a report returned from the API.
-		 *
-		 * Allows modification of the report data right before it is returned.
-		 *
-		 * @param \WP_REST_Response $response The response object.
-		 * @param object           $report   The original report object.
-		 * @param \WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_report_customers', $response, $report, $request );
-	}
-
-	/**
-	 * Prepare links for the request.
-	 *
-	 * @param array $object Object data.
-	 * @return array
-	 */
-	protected function prepare_links( $object ) {
-		if ( empty( $object['user_id'] ) ) {
-			return array();
-		}
-
-		return array(
-			'customer' => array(
-				'href' => rest_url( sprintf( '/%s/customers/%d', $this->namespace, $object['user_id'] ) ),
-			),
-		);
-	}
-
-	/**
-	 * Get the Report's schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_item_schema() {
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'report_customers',
-			'type'       => 'object',
-			'properties' => array(
-				'id'                   => array(
-					'description' => __( 'Customer ID.', 'woocommerce' ),
-					'type'        => 'integer',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'user_id'              => array(
-					'description' => __( 'User ID.', 'woocommerce' ),
-					'type'        => 'integer',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'name'                 => array(
-					'description' => __( 'Name.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'username'             => array(
-					'description' => __( 'Username.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'country'              => array(
-					'description' => __( 'Country.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'city'                 => array(
-					'description' => __( 'City.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'postcode'             => array(
-					'description' => __( 'Postal code.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'date_registered'      => array(
-					'description' => __( 'Date registered.', 'woocommerce' ),
-					'type'        => 'date-time',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'date_registered_gmt'  => array(
-					'description' => __( 'Date registered GMT.', 'woocommerce' ),
-					'type'        => 'date-time',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'date_last_active'     => array(
-					'description' => __( 'Date last active.', 'woocommerce' ),
-					'type'        => 'date-time',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'date_last_active_gmt' => array(
-					'description' => __( 'Date last active GMT.', 'woocommerce' ),
-					'type'        => 'date-time',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'orders_count'         => array(
-					'description' => __( 'Order count.', 'woocommerce' ),
-					'type'        => 'integer',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'total_spend'          => array(
-					'description' => __( 'Total spend.', 'woocommerce' ),
-					'type'        => 'number',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'avg_order_value'      => array(
-					'description' => __( 'Avg order value.', 'woocommerce' ),
-					'type'        => 'number',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-			),
-		);
-		return $this->add_additional_fields_schema( $schema );
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params                            = array();
-		$params['context']                 = $this->get_context_param( array( 'default' => 'view' ) );
-		$params['registered_before']       = array(
-			'description'       => __( 'Limit response to objects registered before (or at) a given ISO8601 compliant datetime.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['registered_after']        = array(
-			'description'       => __( 'Limit response to objects registered after (or at) a given ISO8601 compliant datetime.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['after']                   = array(
-			'description'       => __( 'Limit response to resources with orders published after a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['before']                  = array(
-			'description'       => __( 'Limit response to resources with orders published before a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['page']                    = array(
-			'description'       => __( 'Current page of the collection.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 1,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-			'minimum'           => 1,
-		);
-		$params['per_page']                = array(
-			'description'       => __( 'Maximum number of items to be returned in result set.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 10,
-			'minimum'           => 1,
-			'maximum'           => 100,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['order']                   = array(
-			'description'       => __( 'Order sort attribute ascending or descending.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'desc',
-			'enum'              => array( 'asc', 'desc' ),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['orderby']                 = array(
-			'description'       => __( 'Sort collection by object attribute.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'date_registered',
-			'enum'              => array(
-				'username',
-				'name',
-				'country',
-				'city',
-				'postcode',
-				'date_registered',
-				'date_last_active',
-				'orders_count',
-				'total_spend',
-				'avg_order_value',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['match']                   = array(
-			'description'       => __( 'Indicates whether all the conditions should be true for the resulting set, or if any one of them is sufficient. Match affects the following parameters: status_is, status_is_not, product_includes, product_excludes, coupon_includes, coupon_excludes, customer, categories', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'all',
-			'enum'              => array(
-				'all',
-				'any',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['search']                  = array(
-			'description'       => __( 'Limit response to objects with a customer field containing the search term. Searches the field provided by `searchby`.', 'woocommerce' ),
-			'type'              => 'string',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['searchby']                = array(
-			'description' => 'Limit results with `search` and `searchby` to specific fields containing the search term.',
-			'type'        => 'string',
-			'default'     => 'name',
-			'enum'        => array(
-				'name',
-				'username',
-				'email',
-			),
-		);
-		$params['name_includes']           = array(
-			'description'       => __( 'Limit response to objects with specfic names.', 'woocommerce' ),
-			'type'              => 'string',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['name_excludes']           = array(
-			'description'       => __( 'Limit response to objects excluding specfic names.', 'woocommerce' ),
-			'type'              => 'string',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['username_includes']       = array(
-			'description'       => __( 'Limit response to objects with specfic usernames.', 'woocommerce' ),
-			'type'              => 'string',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['username_excludes']       = array(
-			'description'       => __( 'Limit response to objects excluding specfic usernames.', 'woocommerce' ),
-			'type'              => 'string',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['email_includes']          = array(
-			'description'       => __( 'Limit response to objects including emails.', 'woocommerce' ),
-			'type'              => 'string',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['email_excludes']          = array(
-			'description'       => __( 'Limit response to objects excluding emails.', 'woocommerce' ),
-			'type'              => 'string',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['country_includes']        = array(
-			'description'       => __( 'Limit response to objects with specfic countries.', 'woocommerce' ),
-			'type'              => 'string',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['country_excludes']        = array(
-			'description'       => __( 'Limit response to objects excluding specfic countries.', 'woocommerce' ),
-			'type'              => 'string',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['last_active_before']      = array(
-			'description'       => __( 'Limit response to objects last active before (or at) a given ISO8601 compliant datetime.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['last_active_after']       = array(
-			'description'       => __( 'Limit response to objects last active after (or at) a given ISO8601 compliant datetime.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['last_active_between']     = array(
-			'description'       => __( 'Limit response to objects last active between two given ISO8601 compliant datetime.', 'woocommerce' ),
-			'type'              => 'array',
-			'validate_callback' => array( 'WC_Admin_Reports_Interval', 'rest_validate_between_date_arg' ),
-		);
-		$params['registered_before']       = array(
-			'description'       => __( 'Limit response to objects registered before (or at) a given ISO8601 compliant datetime.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['registered_after']        = array(
-			'description'       => __( 'Limit response to objects registered after (or at) a given ISO8601 compliant datetime.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['registered_between']      = array(
-			'description'       => __( 'Limit response to objects last active between two given ISO8601 compliant datetime.', 'woocommerce' ),
-			'type'              => 'array',
-			'validate_callback' => array( 'WC_Admin_Reports_Interval', 'rest_validate_between_date_arg' ),
-		);
-		$params['orders_count_min']        = array(
-			'description'       => __( 'Limit response to objects with an order count greater than or equal to given integer.', 'woocommerce' ),
-			'type'              => 'integer',
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['orders_count_max']        = array(
-			'description'       => __( 'Limit response to objects with an order count less than or equal to given integer.', 'woocommerce' ),
-			'type'              => 'integer',
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['orders_count_between']    = array(
-			'description'       => __( 'Limit response to objects with an order count between two given integers.', 'woocommerce' ),
-			'type'              => 'array',
-			'validate_callback' => array( 'WC_Admin_Reports_Interval', 'rest_validate_between_numeric_arg' ),
-		);
-		$params['total_spend_min']         = array(
-			'description'       => __( 'Limit response to objects with a total order spend greater than or equal to given number.', 'woocommerce' ),
-			'type'              => 'number',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['total_spend_max']         = array(
-			'description'       => __( 'Limit response to objects with a total order spend less than or equal to given number.', 'woocommerce' ),
-			'type'              => 'number',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['total_spend_between']     = array(
-			'description'       => __( 'Limit response to objects with a total order spend between two given numbers.', 'woocommerce' ),
-			'type'              => 'array',
-			'validate_callback' => array( 'WC_Admin_Reports_Interval', 'rest_validate_between_numeric_arg' ),
-		);
-		$params['avg_order_value_min']     = array(
-			'description'       => __( 'Limit response to objects with an average order spend greater than or equal to given number.', 'woocommerce' ),
-			'type'              => 'number',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['avg_order_value_max']     = array(
-			'description'       => __( 'Limit response to objects with an average order spend less than or equal to given number.', 'woocommerce' ),
-			'type'              => 'number',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['avg_order_value_between'] = array(
-			'description'       => __( 'Limit response to objects with an average order spend between two given numbers.', 'woocommerce' ),
-			'type'              => 'array',
-			'validate_callback' => array( 'WC_Admin_Reports_Interval', 'rest_validate_between_numeric_arg' ),
-		);
-		$params['last_order_before']       = array(
-			'description'       => __( 'Limit response to objects with last order before (or at) a given ISO8601 compliant datetime.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['last_order_after']        = array(
-			'description'       => __( 'Limit response to objects with last order after (or at) a given ISO8601 compliant datetime.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['customers']               = array(
-			'description'       => __( 'Limit result to items with specified customer ids.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-		);
-
-		return $params;
-	}
-}
diff --git a/src/Controllers/Version4/Reports/DownloadStats.php b/src/Controllers/Version4/Reports/DownloadStats.php
deleted file mode 100644
index 6d660f7b8a7..00000000000
--- a/src/Controllers/Version4/Reports/DownloadStats.php
+++ /dev/null
@@ -1,366 +0,0 @@
-<?php
-/**
- * REST API Reports downloads stats controller
- *
- * Handles requests to the /reports/downloads/stats endpoint.
- *
- * @package WooCommerce/RestApi
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4\Reports;
-
-defined( 'ABSPATH' ) || exit;
-
-use \WooCommerce\RestApi\Controllers\Version4\Reports as Reports;
-
-/**
- * REST API DownloadStats Reports class.
- */
-class DownloadStats extends Reports {
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'reports/downloads/stats';
-
-	/**
-	 * Maps query arguments from the REST request.
-	 *
-	 * @param array $request Request array.
-	 * @return array
-	 */
-	protected function prepare_reports_query( $request ) {
-		$args                        = array();
-		$args['before']              = $request['before'];
-		$args['after']               = $request['after'];
-		$args['interval']            = $request['interval'];
-		$args['page']                = $request['page'];
-		$args['per_page']            = $request['per_page'];
-		$args['orderby']             = $request['orderby'];
-		$args['order']               = $request['order'];
-		$args['match']               = $request['match'];
-		$args['product_includes']    = (array) $request['product_includes'];
-		$args['product_excludes']    = (array) $request['product_excludes'];
-		$args['customer_includes']   = (array) $request['customer_includes'];
-		$args['customer_excludes']   = (array) $request['customer_excludes'];
-		$args['order_includes']      = (array) $request['order_includes'];
-		$args['order_excludes']      = (array) $request['order_excludes'];
-		$args['ip_address_includes'] = (array) $request['ip_address_includes'];
-		$args['ip_address_excludes'] = (array) $request['ip_address_excludes'];
-
-		return $args;
-	}
-
-	/**
-	 * Get all reports.
-	 *
-	 * @param \WP_REST_Request $request Request data.
-	 * @return array|\WP_Error
-	 */
-	public function get_items( $request ) {
-		$query_args      = $this->prepare_reports_query( $request );
-		$downloads_query = new \WC_Admin_Reports_Downloads_Stats_Query( $query_args );
-		$report_data     = $downloads_query->get_data();
-
-		$out_data = array(
-			'totals'    => get_object_vars( $report_data->totals ),
-			'intervals' => array(),
-		);
-
-		foreach ( $report_data->intervals as $interval_data ) {
-			$item                    = $this->prepare_item_for_response( $interval_data, $request );
-			$out_data['intervals'][] = $this->prepare_response_for_collection( $item );
-		}
-
-		$response = rest_ensure_response( $out_data );
-		$response->header( 'X-WP-Total', (int) $report_data->total );
-		$response->header( 'X-WP-TotalPages', (int) $report_data->pages );
-
-		$page      = $report_data->page_no;
-		$max_pages = $report_data->pages;
-		$base      = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
-		if ( $page > 1 ) {
-			$prev_page = $page - 1;
-			if ( $prev_page > $max_pages ) {
-				$prev_page = $max_pages;
-			}
-			$prev_link = add_query_arg( 'page', $prev_page, $base );
-			$response->link_header( 'prev', $prev_link );
-		}
-		if ( $max_pages > $page ) {
-			$next_page = $page + 1;
-			$next_link = add_query_arg( 'page', $next_page, $base );
-			$response->link_header( 'next', $next_link );
-		}
-
-		return $response;
-	}
-
-	/**
-	 * Prepare a report object for serialization.
-	 *
-	 * @param Array           $report  Report data.
-	 * @param \WP_REST_Request $request Request object.
-	 * @return \WP_REST_Response
-	 */
-	public function prepare_item_for_response( $report, $request ) {
-		$data = $report;
-
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data    = $this->add_additional_fields_to_object( $data, $request );
-		$data    = $this->filter_response_by_context( $data, $context );
-
-		// Wrap the data in a response object.
-		$response = rest_ensure_response( $data );
-
-		/**
-		 * Filter a report returned from the API.
-		 *
-		 * Allows modification of the report data right before it is returned.
-		 *
-		 * @param \WP_REST_Response $response The response object.
-		 * @param object           $report   The original report object.
-		 * @param \WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_report_downloads_stats', $response, $report, $request );
-	}
-
-	/**
-	 * Get the Report's schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_item_schema() {
-		$totals = array(
-			'download_count' => array(
-				'description' => __( 'Number of downloads.', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'indicator'   => true,
-			),
-		);
-
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'report_orders_stats',
-			'type'       => 'object',
-			'properties' => array(
-				'totals'    => array(
-					'description' => __( 'Totals data.', 'woocommerce' ),
-					'type'        => 'object',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-					'properties'  => $totals,
-				),
-				'intervals' => array(
-					'description' => __( 'Reports data grouped by intervals.', 'woocommerce' ),
-					'type'        => 'array',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-					'items'       => array(
-						'type'       => 'object',
-						'properties' => array(
-							'interval'       => array(
-								'description' => __( 'Type of interval.', 'woocommerce' ),
-								'type'        => 'string',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-								'enum'        => array( 'day', 'week', 'month', 'year' ),
-							),
-							'date_start'     => array(
-								'description' => __( "The date the report start, in the site's timezone.", 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'date_start_gmt' => array(
-								'description' => __( 'The date the report start, as GMT.', 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'date_end'       => array(
-								'description' => __( "The date the report end, in the site's timezone.", 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'date_end_gmt'   => array(
-								'description' => __( 'The date the report end, as GMT.', 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'subtotals'      => array(
-								'description' => __( 'Interval subtotals.', 'woocommerce' ),
-								'type'        => 'object',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-								'properties'  => $totals,
-							),
-						),
-					),
-				),
-			),
-		);
-
-		return $this->add_additional_fields_schema( $schema );
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params                     = array();
-		$params['context']          = $this->get_context_param( array( 'default' => 'view' ) );
-		$params['page']             = array(
-			'description'       => __( 'Current page of the collection.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 1,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-			'minimum'           => 1,
-		);
-		$params['per_page']         = array(
-			'description'       => __( 'Maximum number of items to be returned in result set.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 10,
-			'minimum'           => 1,
-			'maximum'           => 100,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['after']            = array(
-			'description'       => __( 'Limit response to resources published after a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['before']           = array(
-			'description'       => __( 'Limit response to resources published before a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['order']            = array(
-			'description'       => __( 'Order sort attribute ascending or descending.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'desc',
-			'enum'              => array( 'asc', 'desc' ),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['orderby']          = array(
-			'description'       => __( 'Sort collection by object attribute.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'date',
-			'enum'              => array(
-				'date',
-				'download_count',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['interval']         = array(
-			'description'       => __( 'Time interval to use for buckets in the returned data.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'week',
-			'enum'              => array(
-				'hour',
-				'day',
-				'week',
-				'month',
-				'quarter',
-				'year',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['match']            = array(
-			'description'       => __( 'Indicates whether all the conditions should be true for the resulting set, or if any one of them is sufficient. Match affects the following parameters: status_is, status_is_not, product_includes, product_excludes, coupon_includes, coupon_excludes, customer, categories', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'all',
-			'enum'              => array(
-				'all',
-				'any',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['product_includes'] = array(
-			'description'       => __( 'Limit result set to items that have the specified product(s) assigned.', 'woocommerce' ),
-			'type'              => 'array',
-			'items'             => array(
-				'type' => 'integer',
-			),
-			'default'           => array(),
-			'sanitize_callback' => 'wp_parse_id_list',
-
-		);
-		$params['product_excludes']    = array(
-			'description'       => __( 'Limit result set to items that don\'t have the specified product(s) assigned.', 'woocommerce' ),
-			'type'              => 'array',
-			'items'             => array(
-				'type' => 'integer',
-			),
-			'default'           => array(),
-			'sanitize_callback' => 'wp_parse_id_list',
-		);
-		$params['order_includes']      = array(
-			'description'       => __( 'Limit result set to items that have the specified order ids.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-		);
-		$params['order_excludes']      = array(
-			'description'       => __( 'Limit result set to items that don\'t have the specified order ids.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-		);
-		$params['customer_includes']   = array(
-			'description'       => __( 'Limit response to objects that have the specified customer ids.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-		);
-		$params['customer_excludes']   = array(
-			'description'       => __( 'Limit response to objects that don\'t have the specified customer ids.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-		);
-		$params['ip_address_includes'] = array(
-			'description'       => __( 'Limit response to objects that have a specified ip address.', 'woocommerce' ),
-			'type'              => 'array',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'string',
-			),
-		);
-
-		$params['ip_address_excludes'] = array(
-			'description'       => __( 'Limit response to objects that don\'t have a specified ip address.', 'woocommerce' ),
-			'type'              => 'array',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'string',
-			),
-		);
-
-		return $params;
-	}
-}
diff --git a/src/Controllers/Version4/Reports/Downloads.php b/src/Controllers/Version4/Reports/Downloads.php
deleted file mode 100644
index f4828e4d7b8..00000000000
--- a/src/Controllers/Version4/Reports/Downloads.php
+++ /dev/null
@@ -1,374 +0,0 @@
-<?php
-/**
- * REST API Reports downloads controller
- *
- * Handles requests to the /reports/downloads endpoint.
- *
- * @package WooCommerce/RestApi
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4\Reports;
-
-defined( 'ABSPATH' ) || exit;
-
-use \WooCommerce\RestApi\Controllers\Version4\Reports as Reports;
-
-/**
- * REST API Downloads Reports class.
- */
-class Downloads extends Reports {
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'reports/downloads';
-
-	/**
-	 * Get items.
-	 *
-	 * @param \WP_REST_Request $request Request data.
-	 * @return array|\WP_Error
-	 */
-	public function get_items( $request ) {
-		$args       = array();
-		$registered = array_keys( $this->get_collection_params() );
-		foreach ( $registered as $param_name ) {
-			if ( isset( $request[ $param_name ] ) ) {
-				$args[ $param_name ] = $request[ $param_name ];
-			}
-		}
-
-		$reports        = new \WC_Admin_Reports_Downloads_Query( $args );
-		$downloads_data = $reports->get_data();
-
-		$data = array();
-
-		foreach ( $downloads_data->data as $download_data ) {
-			$item   = $this->prepare_item_for_response( $download_data, $request );
-			$data[] = $this->prepare_response_for_collection( $item );
-		}
-
-		$response = rest_ensure_response( $data );
-
-		$response->header( 'X-WP-Total', (int) $downloads_data->total );
-		$response->header( 'X-WP-TotalPages', (int) $downloads_data->pages );
-
-		$page      = $downloads_data->page_no;
-		$max_pages = $downloads_data->pages;
-		$base      = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
-		if ( $page > 1 ) {
-			$prev_page = $page - 1;
-			if ( $prev_page > $max_pages ) {
-				$prev_page = $max_pages;
-			}
-			$prev_link = add_query_arg( 'page', $prev_page, $base );
-			$response->link_header( 'prev', $prev_link );
-		}
-		if ( $max_pages > $page ) {
-			$next_page = $page + 1;
-			$next_link = add_query_arg( 'page', $next_page, $base );
-			$response->link_header( 'next', $next_link );
-		}
-
-		return $response;
-	}
-
-	/**
-	 * Prepare a report object for serialization.
-	 *
-	 * @param Array           $report  Report data.
-	 * @param \WP_REST_Request $request Request object.
-	 * @return \WP_REST_Response
-	 */
-	public function prepare_item_for_response( $report, $request ) {
-		$data = $report;
-
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data    = $this->add_additional_fields_to_object( $data, $request );
-		$data    = $this->filter_response_by_context( $data, $context );
-
-		// Wrap the data in a response object.
-		$response = rest_ensure_response( $data );
-		$response->add_links( $this->prepare_links( $report ) );
-
-		$response->data['date'] = get_date_from_gmt( $data['date_gmt'], 'Y-m-d H:i:s' );
-
-		// Figure out file name.
-		// Matches https://github.com/woocommerce/woocommerce/blob/4be0018c092e617c5d2b8c46b800eb71ece9ddef/includes/class-wc-download-handler.php#L197.
-		$product_id                     = intval( $data['product_id'] );
-		$_product                       = wc_get_product( $product_id );
-		$file_path                      = $_product->get_file_download_path( $data['download_id'] );
-		$filename                       = basename( $file_path );
-		$response->data['file_name']    = apply_filters( 'woocommerce_file_download_filename', $filename, $product_id );
-		$response->data['file_path']    = $file_path;
-		$customer                       = new \WC_Customer( $data['user_id'] );
-		$response->data['username']     = $customer->get_username();
-		$response->data['order_number'] = $this->get_order_number( $data['order_id'] );
-
-		/**
-		 * Filter a report returned from the API.
-		 *
-		 * Allows modification of the report data right before it is returned.
-		 *
-		 * @param \WP_REST_Response $response The response object.
-		 * @param object           $report   The original report object.
-		 * @param \WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_report_downloads', $response, $report, $request );
-	}
-
-	/**
-	 * Prepare links for the request.
-	 *
-	 * @param Array $object Object data.
-	 * @return array        Links for the given post.
-	 */
-	protected function prepare_links( $object ) {
-		$links = array(
-			'product' => array(
-				'href'       => rest_url( sprintf( '/%s/%s/%d', $this->namespace, 'products', $object['product_id'] ) ),
-				'embeddable' => true,
-			),
-		);
-
-		return $links;
-	}
-
-	/**
-	 * Get the Report's schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_item_schema() {
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'report_downloads',
-			'type'       => 'object',
-			'properties' => array(
-				'id'           => array(
-					'type'        => 'integer',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit' ),
-					'description' => __( 'ID.', 'woocommerce' ),
-				),
-				'product_id'   => array(
-					'type'        => 'integer',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit' ),
-					'description' => __( 'Product ID.', 'woocommerce' ),
-				),
-				'date'         => array(
-					'description' => __( "The date of the download, in the site's timezone.", 'woocommerce' ),
-					'type'        => 'date-time',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'date_gmt'     => array(
-					'description' => __( 'The date of the download, as GMT.', 'woocommerce' ),
-					'type'        => 'date-time',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'download_id'  => array(
-					'type'        => 'string',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit' ),
-					'description' => __( 'Download ID.', 'woocommerce' ),
-				),
-				'file_name'    => array(
-					'type'        => 'string',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit' ),
-					'description' => __( 'File name.', 'woocommerce' ),
-				),
-				'file_path'    => array(
-					'type'        => 'string',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit' ),
-					'description' => __( 'File URL.', 'woocommerce' ),
-				),
-				'product_id'   => array(
-					'type'        => 'integer',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit' ),
-					'description' => __( 'Product ID.', 'woocommerce' ),
-				),
-				'order_id'     => array(
-					'type'        => 'integer',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit' ),
-					'description' => __( 'Order ID.', 'woocommerce' ),
-				),
-				'order_number' => array(
-					'type'        => 'string',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit' ),
-					'description' => __( 'Order Number.', 'woocommerce' ),
-				),
-				'user_id'      => array(
-					'type'        => 'integer',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit' ),
-					'description' => __( 'User ID for the downloader.', 'woocommerce' ),
-				),
-				'username'     => array(
-					'type'        => 'string',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit' ),
-					'description' => __( 'User name of the downloader.', 'woocommerce' ),
-				),
-				'ip_address'   => array(
-					'type'        => 'string',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit' ),
-					'description' => __( 'IP address for the downloader.', 'woocommerce' ),
-				),
-			),
-		);
-
-		return $this->add_additional_fields_schema( $schema );
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params                        = array();
-		$params['context']             = $this->get_context_param( array( 'default' => 'view' ) );
-		$params['page']                = array(
-			'description'       => __( 'Current page of the collection.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 1,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-			'minimum'           => 1,
-		);
-		$params['per_page']            = array(
-			'description'       => __( 'Maximum number of items to be returned in result set.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 10,
-			'minimum'           => 1,
-			'maximum'           => 100,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['after']               = array(
-			'description'       => __( 'Limit response to resources published after a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['before']              = array(
-			'description'       => __( 'Limit response to resources published before a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['order']               = array(
-			'description'       => __( 'Order sort attribute ascending or descending.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'desc',
-			'enum'              => array( 'asc', 'desc' ),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['orderby']             = array(
-			'description'       => __( 'Sort collection by object attribute.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'date',
-			'enum'              => array(
-				'date',
-				'product',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['match']               = array(
-			'description'       => __( 'Indicates whether all the conditions should be true for the resulting set, or if any one of them is sufficient. Match affects the following parameters: products, orders, username, ip_address.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'all',
-			'enum'              => array(
-				'all',
-				'any',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['product_includes']    = array(
-			'description'       => __( 'Limit result set to items that have the specified product(s) assigned.', 'woocommerce' ),
-			'type'              => 'array',
-			'items'             => array(
-				'type' => 'integer',
-			),
-			'default'           => array(),
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['product_excludes']    = array(
-			'description'       => __( 'Limit result set to items that don\'t have the specified product(s) assigned.', 'woocommerce' ),
-			'type'              => 'array',
-			'items'             => array(
-				'type' => 'integer',
-			),
-			'default'           => array(),
-			'validate_callback' => 'rest_validate_request_arg',
-			'sanitize_callback' => 'wp_parse_id_list',
-		);
-		$params['order_includes']      = array(
-			'description'       => __( 'Limit result set to items that have the specified order ids.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-		);
-		$params['order_excludes']      = array(
-			'description'       => __( 'Limit result set to items that don\'t have the specified order ids.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-		);
-		$params['customer_includes']   = array(
-			'description'       => __( 'Limit response to objects that have the specified user ids.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-		);
-		$params['customer_excludes']   = array(
-			'description'       => __( 'Limit response to objects that don\'t have the specified user ids.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-		);
-		$params['ip_address_includes'] = array(
-			'description'       => __( 'Limit response to objects that have a specified ip address.', 'woocommerce' ),
-			'type'              => 'array',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'string',
-			),
-		);
-
-		$params['ip_address_excludes'] = array(
-			'description'       => __( 'Limit response to objects that don\'t have a specified ip address.', 'woocommerce' ),
-			'type'              => 'array',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'string',
-			),
-		);
-
-		return $params;
-	}
-}
diff --git a/src/Controllers/Version4/Reports/Import.php b/src/Controllers/Version4/Reports/Import.php
deleted file mode 100644
index ea7907617ae..00000000000
--- a/src/Controllers/Version4/Reports/Import.php
+++ /dev/null
@@ -1,310 +0,0 @@
-<?php
-/**
- * REST API Reports Import Controller
- *
- * Handles requests to /reports/import
- *
- * @package WooCommerce/RestApi
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4\Reports;
-
-defined( 'ABSPATH' ) || exit;
-
-use \WooCommerce\RestApi\Controllers\Version4\Reports as Reports;
-
-/**
- * REST API Import Reports class.
- */
-class Import extends Reports {
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'reports/import';
-
-	/**
-	 * Register routes.
-	 */
-	public function register_routes() {
-		register_rest_route(
-			$this->namespace,
-			'/' . $this->rest_base,
-			array(
-				array(
-					'methods'             => \WP_REST_Server::EDITABLE,
-					'callback'            => array( $this, 'import_items' ),
-					'permission_callback' => array( $this, 'import_permissions_check' ),
-					'args'                => $this->get_import_collection_params(),
-				),
-				'schema' => array( $this, 'get_import_public_schema' ),
-			)
-		);
-		register_rest_route(
-			$this->namespace,
-			'/' . $this->rest_base . '/cancel',
-			array(
-				array(
-					'methods'             => \WP_REST_Server::EDITABLE,
-					'callback'            => array( $this, 'cancel_import' ),
-					'permission_callback' => array( $this, 'import_permissions_check' ),
-				),
-				'schema' => array( $this, 'get_import_public_schema' ),
-			)
-		);
-		register_rest_route(
-			$this->namespace,
-			'/' . $this->rest_base . '/delete',
-			array(
-				array(
-					'methods'             => \WP_REST_Server::EDITABLE,
-					'callback'            => array( $this, 'delete_imported_items' ),
-					'permission_callback' => array( $this, 'import_permissions_check' ),
-				),
-				'schema' => array( $this, 'get_import_public_schema' ),
-			)
-		);
-		register_rest_route(
-			$this->namespace,
-			'/' . $this->rest_base . '/status',
-			array(
-				array(
-					'methods'             => \WP_REST_Server::READABLE,
-					'callback'            => array( $this, 'get_import_status' ),
-					'permission_callback' => array( $this, 'import_permissions_check' ),
-				),
-				'schema' => array( $this, 'get_import_public_schema' ),
-			)
-		);
-		register_rest_route(
-			$this->namespace,
-			'/' . $this->rest_base . '/totals',
-			array(
-				array(
-					'methods'             => \WP_REST_Server::READABLE,
-					'callback'            => array( $this, 'get_import_totals' ),
-					'permission_callback' => array( $this, 'import_permissions_check' ),
-					'args'                => $this->get_import_collection_params(),
-				),
-				'schema' => array( $this, 'get_import_public_schema' ),
-			)
-		);
-	}
-
-	/**
-	 * Makes sure the current user has access to WRITE the settings APIs.
-	 *
-	 * @param \WP_REST_Request $request Full data about the request.
-	 * @return \WP_Error|bool
-	 */
-	public function import_permissions_check( $request ) {
-		if ( ! wc_rest_check_manager_permissions( 'settings', 'edit' ) ) {
-			return new \WP_Error( 'woocommerce_rest_cannot_edit', __( 'Sorry, you cannot edit this resource.', 'woocommerce' ), array( 'status' => rest_authorization_required_code() ) );
-		}
-		return true;
-	}
-
-	/**
-	 * Import data based on user request params.
-	 *
-	 * @param  \WP_REST_Request $request Request data.
-	 * @return \WP_Error\WP_REST_Response
-	 */
-	public function import_items( $request ) {
-		$query_args = $this->prepare_objects_query( $request );
-		$import     = \WC_Admin_Reports_Sync::regenerate_report_data( $query_args['days'], $query_args['skip_existing'] );
-
-		if ( is_wp_error( $import ) ) {
-			$result = array(
-				'status'  => 'error',
-				'message' => $import->get_error_message(),
-			);
-		} else {
-			$result = array(
-				'status'  => 'success',
-				'message' => $import,
-			);
-		}
-
-		$response = $this->prepare_item_for_response( $result, $request );
-		$data     = $this->prepare_response_for_collection( $response );
-
-		return rest_ensure_response( $data );
-	}
-
-	/**
-	 * Prepare request object as query args.
-	 *
-	 * @param \WP_REST_Request $request Request data.
-	 * @return array
-	 */
-	protected function prepare_objects_query( $request ) {
-		$args                  = array();
-		$args['skip_existing'] = $request['skip_existing'];
-		$args['days']          = $request['days'];
-
-		return $args;
-	}
-
-	/**
-	 * Prepare the data object for response.
-	 *
-	 * @param object          $item Data object.
-	 * @param \WP_REST_Request $request Request object.
-	 * @return \WP_REST_Response $response Response data.
-	 */
-	public function prepare_item_for_response( $item, $request ) {
-		$data     = $this->add_additional_fields_to_object( $item, $request );
-		$data     = $this->filter_response_by_context( $data, 'view' );
-		$response = rest_ensure_response( $data );
-
-		/**
-		 * Filter the list returned from the API.
-		 *
-		 * @param \WP_REST_Response $response The response object.
-		 * @param array            $item     The original item.
-		 * @param \WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_reports_import', $response, $item, $request );
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_import_collection_params() {
-		$params                  = array();
-		$params['days']          = array(
-			'description'       => __( 'Number of days to import.', 'woocommerce' ),
-			'type'              => 'integer',
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-			'minimum'           => 1,
-		);
-		$params['skip_existing'] = array(
-			'description'       => __( 'Skip importing existing order data.', 'woocommerce' ),
-			'type'              => 'boolean',
-			'default'           => false,
-			'sanitize_callback' => 'wc_string_to_bool',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		return $params;
-	}
-
-	/**
-	 * Get the Report's schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_import_public_schema() {
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'report_import',
-			'type'       => 'object',
-			'properties' => array(
-				'status'  => array(
-					'description' => __( 'Regeneration status.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'message' => array(
-					'description' => __( 'Regenerate data message.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-			),
-		);
-
-		return $this->add_additional_fields_schema( $schema );
-	}
-
-	/**
-	 * Cancel all queued import actions.
-	 *
-	 * @param  \WP_REST_Request $request Request data.
-	 * @return \WP_Error\WP_REST_Response
-	 */
-	public function cancel_import( $request ) {
-		\WC_Admin_Reports_Sync::clear_queued_actions();
-
-		$result = array(
-			'status'  => 'success',
-			'message' => __( 'All pending and in-progress import actions have been cancelled.', 'woocommerce' ),
-		);
-
-		$response = $this->prepare_item_for_response( $result, $request );
-		$data     = $this->prepare_response_for_collection( $response );
-
-		return rest_ensure_response( $data );
-	}
-
-	/**
-	 * Delete all imported items.
-	 *
-	 * @param  \WP_REST_Request $request Request data.
-	 * @return \WP_Error\WP_REST_Response
-	 */
-	public function delete_imported_items( $request ) {
-		$delete = \WC_Admin_Reports_Sync::delete_report_data();
-
-		if ( is_wp_error( $delete ) ) {
-			$result = array(
-				'status'  => 'error',
-				'message' => $delete->get_error_message(),
-			);
-		} else {
-			$result = array(
-				'status'  => 'success',
-				'message' => $delete,
-			);
-		}
-
-		$response = $this->prepare_item_for_response( $result, $request );
-		$data     = $this->prepare_response_for_collection( $response );
-
-		return rest_ensure_response( $data );
-	}
-
-	/**
-	 * Get the status of the current import.
-	 *
-	 * @param  \WP_REST_Request $request Request data.
-	 * @return \WP_Error\WP_REST_Response
-	 */
-	public function get_import_status( $request ) {
-		$result = array(
-			'is_importing'    => \WC_Admin_Reports_Sync::is_importing(),
-			'customers_total' => get_option( 'wc_admin_import_customers_total', 0 ),
-			'customers_count' => get_option( 'wc_admin_import_customers_count', 0 ),
-			'orders_total'    => get_option( 'wc_admin_import_orders_total', 0 ),
-			'orders_count'    => get_option( 'wc_admin_import_orders_count', 0 ),
-			'imported_from'   => get_option( 'wc_admin_imported_from_date', false ),
-		);
-
-		$response = $this->prepare_item_for_response( $result, $request );
-		$data     = $this->prepare_response_for_collection( $response );
-
-		return rest_ensure_response( $data );
-	}
-
-	/**
-	 * Get the total orders and customers based on user supplied params.
-	 *
-	 * @param  \WP_REST_Request $request Request data.
-	 * @return \WP_Error\WP_REST_Response
-	 */
-	public function get_import_totals( $request ) {
-		$query_args = $this->prepare_objects_query( $request );
-		$totals     = \WC_Admin_Reports_Sync::get_import_totals( $query_args['days'], $query_args['skip_existing'] );
-
-		$response = $this->prepare_item_for_response( $totals, $request );
-		$data     = $this->prepare_response_for_collection( $response );
-
-		return rest_ensure_response( $data );
-	}
-}
diff --git a/src/Controllers/Version4/Reports/OrderStats.php b/src/Controllers/Version4/Reports/OrderStats.php
deleted file mode 100644
index bc3d75b4d6d..00000000000
--- a/src/Controllers/Version4/Reports/OrderStats.php
+++ /dev/null
@@ -1,487 +0,0 @@
-<?php
-/**
- * REST API Reports orders stats controller
- *
- * Handles requests to the /reports/orders/stats endpoint.
- *
- * @package WooCommerce/RestApi
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4\Reports;
-
-defined( 'ABSPATH' ) || exit;
-
-use \WooCommerce\RestApi\Controllers\Version4\Reports as Reports;
-
-/**
- * REST API OrderStats Reports class.
- */
-class OrderStats extends Reports {
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'reports/orders/stats';
-
-	/**
-	 * Maps query arguments from the REST request.
-	 *
-	 * @param array $request Request array.
-	 * @return array
-	 */
-	protected function prepare_reports_query( $request ) {
-		$args             = array();
-		$args['before']   = $request['before'];
-		$args['after']    = $request['after'];
-		$args['interval'] = $request['interval'];
-		$args['page']     = $request['page'];
-		$args['per_page'] = $request['per_page'];
-		$args['orderby']  = $request['orderby'];
-		$args['order']    = $request['order'];
-
-		$args['match']            = $request['match'];
-		$args['status_is']        = (array) $request['status_is'];
-		$args['status_is_not']    = (array) $request['status_is_not'];
-		$args['product_includes'] = (array) $request['product_includes'];
-		$args['product_excludes'] = (array) $request['product_excludes'];
-		$args['coupon_includes']  = (array) $request['coupon_includes'];
-		$args['coupon_excludes']  = (array) $request['coupon_excludes'];
-		$args['customer']         = $request['customer'];
-		$args['refunds']          = $request['refunds'];
-		$args['categories']       = (array) $request['categories'];
-		$args['segmentby']        = $request['segmentby'];
-
-		return $args;
-	}
-
-	/**
-	 * Get all reports.
-	 *
-	 * @param \WP_REST_Request $request Request data.
-	 * @return array|\WP_Error
-	 */
-	public function get_items( $request ) {
-		$query_args   = $this->prepare_reports_query( $request );
-		$orders_query = new \WC_Admin_Reports_Orders_Stats_Query( $query_args );
-		try {
-			$report_data = $orders_query->get_data();
-		} catch ( \WC_Admin_Reports_Parameter_Exception $e ) {
-			return new \WP_Error( $e->getErrorCode(), $e->getMessage(), array( 'status' => $e->getCode() ) );
-		}
-
-		$out_data = array(
-			'totals'    => get_object_vars( $report_data->totals ),
-			'intervals' => array(),
-		);
-
-		foreach ( $report_data->intervals as $interval_data ) {
-			$item                    = $this->prepare_item_for_response( $interval_data, $request );
-			$out_data['intervals'][] = $this->prepare_response_for_collection( $item );
-		}
-
-		$response = rest_ensure_response( $out_data );
-		$response->header( 'X-WP-Total', (int) $report_data->total );
-		$response->header( 'X-WP-TotalPages', (int) $report_data->pages );
-
-		$page      = $report_data->page_no;
-		$max_pages = $report_data->pages;
-		$base      = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
-		if ( $page > 1 ) {
-			$prev_page = $page - 1;
-			if ( $prev_page > $max_pages ) {
-				$prev_page = $max_pages;
-			}
-			$prev_link = add_query_arg( 'page', $prev_page, $base );
-			$response->link_header( 'prev', $prev_link );
-		}
-		if ( $max_pages > $page ) {
-			$next_page = $page + 1;
-			$next_link = add_query_arg( 'page', $next_page, $base );
-			$response->link_header( 'next', $next_link );
-		}
-
-		return $response;
-	}
-
-	/**
-	 * Prepare a report object for serialization.
-	 *
-	 * @param Array           $report  Report data.
-	 * @param \WP_REST_Request $request Request object.
-	 * @return \WP_REST_Response
-	 */
-	public function prepare_item_for_response( $report, $request ) {
-		$data = $report;
-
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data    = $this->add_additional_fields_to_object( $data, $request );
-		$data    = $this->filter_response_by_context( $data, $context );
-
-		// Wrap the data in a response object.
-		$response = rest_ensure_response( $data );
-
-		/**
-		 * Filter a report returned from the API.
-		 *
-		 * Allows modification of the report data right before it is returned.
-		 *
-		 * @param \WP_REST_Response $response The response object.
-		 * @param object           $report   The original report object.
-		 * @param \WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_report_orders_stats', $response, $report, $request );
-	}
-
-	/**
-	 * Get the Report's schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_item_schema() {
-		$data_values = array(
-			'net_revenue'             => array(
-				'description' => __( 'Net revenue.', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'format'      => 'currency',
-			),
-			'orders_count'            => array(
-				'description' => __( 'Amount of orders', 'woocommerce' ),
-				'type'        => 'integer',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'indicator'   => true,
-			),
-			'avg_order_value'         => array(
-				'description' => __( 'Average order value.', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'indicator'   => true,
-				'format'      => 'currency',
-			),
-			'avg_items_per_order'     => array(
-				'description' => __( 'Average items per order', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-			),
-			'num_items_sold'          => array(
-				'description' => __( 'Number of items sold', 'woocommerce' ),
-				'type'        => 'integer',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-			),
-			'coupons'                 => array(
-				'description' => __( 'Amount discounted by coupons.', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-			),
-			'coupons_count'           => array(
-				'description' => __( 'Unique coupons count.', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-			),
-			'num_returning_customers' => array(
-				'description' => __( 'Number of orders done by returning customers', 'woocommerce' ),
-				'type'        => 'integer',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-			),
-			'num_new_customers'       => array(
-				'description' => __( 'Number of orders done by new customers', 'woocommerce' ),
-				'type'        => 'integer',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-			),
-			'products'                => array(
-				'description' => __( 'Number of distinct products sold.', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-			),
-		);
-
-		$segments = array(
-			'segments' => array(
-				'description' => __( 'Reports data grouped by segment condition.', 'woocommerce' ),
-				'type'        => 'array',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'items'       => array(
-					'type'       => 'object',
-					'properties' => array(
-						'segment_id' => array(
-							'description' => __( 'Segment identificator.', 'woocommerce' ),
-							'type'        => 'integer',
-							'context'     => array( 'view', 'edit' ),
-							'readonly'    => true,
-						),
-						'subtotals'  => array(
-							'description' => __( 'Interval subtotals.', 'woocommerce' ),
-							'type'        => 'object',
-							'context'     => array( 'view', 'edit' ),
-							'readonly'    => true,
-							'properties'  => $data_values,
-						),
-					),
-				),
-			),
-		);
-
-		$totals = array_merge( $data_values, $segments );
-
-		// Products is not shown in intervals.
-		unset( $data_values['products'] );
-
-		$intervals = array_merge( $data_values, $segments );
-
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'report_orders_stats',
-			'type'       => 'object',
-			'properties' => array(
-				'totals'    => array(
-					'description' => __( 'Totals data.', 'woocommerce' ),
-					'type'        => 'object',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-					'properties'  => $totals,
-				),
-				'intervals' => array(
-					'description' => __( 'Reports data grouped by intervals.', 'woocommerce' ),
-					'type'        => 'array',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-					'items'       => array(
-						'type'       => 'object',
-						'properties' => array(
-							'interval'       => array(
-								'description' => __( 'Type of interval.', 'woocommerce' ),
-								'type'        => 'string',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-								'enum'        => array( 'day', 'week', 'month', 'year' ),
-							),
-							'date_start'     => array(
-								'description' => __( "The date the report start, in the site's timezone.", 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'date_start_gmt' => array(
-								'description' => __( 'The date the report start, as GMT.', 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'date_end'       => array(
-								'description' => __( "The date the report end, in the site's timezone.", 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'date_end_gmt'   => array(
-								'description' => __( 'The date the report end, as GMT.', 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'subtotals'      => array(
-								'description' => __( 'Interval subtotals.', 'woocommerce' ),
-								'type'        => 'object',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-								'properties'  => $intervals,
-							),
-						),
-					),
-				),
-			),
-		);
-
-		return $this->add_additional_fields_schema( $schema );
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params                     = array();
-		$params['context']          = $this->get_context_param( array( 'default' => 'view' ) );
-		$params['page']             = array(
-			'description'       => __( 'Current page of the collection.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 1,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-			'minimum'           => 1,
-		);
-		$params['per_page']         = array(
-			'description'       => __( 'Maximum number of items to be returned in result set.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 10,
-			'minimum'           => 1,
-			'maximum'           => 100,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['after']            = array(
-			'description'       => __( 'Limit response to resources published after a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['before']           = array(
-			'description'       => __( 'Limit response to resources published before a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['order']            = array(
-			'description'       => __( 'Order sort attribute ascending or descending.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'desc',
-			'enum'              => array( 'asc', 'desc' ),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['orderby']          = array(
-			'description'       => __( 'Sort collection by object attribute.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'date',
-			'enum'              => array(
-				'date',
-				'net_revenue',
-				'orders_count',
-				'avg_order_value',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['interval']         = array(
-			'description'       => __( 'Time interval to use for buckets in the returned data.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'week',
-			'enum'              => array(
-				'hour',
-				'day',
-				'week',
-				'month',
-				'quarter',
-				'year',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['match']            = array(
-			'description'       => __( 'Indicates whether all the conditions should be true for the resulting set, or if any one of them is sufficient. Match affects the following parameters: status_is, status_is_not, product_includes, product_excludes, coupon_includes, coupon_excludes, customer, categories', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'all',
-			'enum'              => array(
-				'all',
-				'any',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['status_is']        = array(
-			'description'       => __( 'Limit result set to items that have the specified order status.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_slug_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'default'           => null,
-			'items'             => array(
-				'enum' => $this->get_order_statuses(),
-				'type' => 'string',
-			),
-		);
-		$params['status_is_not']    = array(
-			'description'       => __( 'Limit result set to items that don\'t have the specified order status.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_slug_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'enum' => $this->get_order_statuses(),
-				'type' => 'string',
-			),
-		);
-		$params['product_includes'] = array(
-			'description'       => __( 'Limit result set to items that have the specified product(s) assigned.', 'woocommerce' ),
-			'type'              => 'array',
-			'items'             => array(
-				'type' => 'integer',
-			),
-			'default'           => array(),
-			'sanitize_callback' => 'wp_parse_id_list',
-
-		);
-		$params['product_excludes'] = array(
-			'description'       => __( 'Limit result set to items that don\'t have the specified product(s) assigned.', 'woocommerce' ),
-			'type'              => 'array',
-			'items'             => array(
-				'type' => 'integer',
-			),
-			'default'           => array(),
-			'sanitize_callback' => 'wp_parse_id_list',
-		);
-		$params['coupon_includes']  = array(
-			'description'       => __( 'Limit result set to items that have the specified coupon(s) assigned.', 'woocommerce' ),
-			'type'              => 'array',
-			'items'             => array(
-				'type' => 'integer',
-			),
-			'default'           => array(),
-			'sanitize_callback' => 'wp_parse_id_list',
-		);
-		$params['coupon_excludes']  = array(
-			'description'       => __( 'Limit result set to items that don\'t have the specified coupon(s) assigned.', 'woocommerce' ),
-			'type'              => 'array',
-			'items'             => array(
-				'type' => 'integer',
-			),
-			'default'           => array(),
-			'sanitize_callback' => 'wp_parse_id_list',
-		);
-		$params['customer']         = array(
-			'description'       => __( 'Limit result set to items that don\'t have the specified coupon(s) assigned.', 'woocommerce' ),
-			'type'              => 'string',
-			'enum'              => array(
-				'new',
-				'returning',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['refunds']          = array(
-			'description'       => __( 'Limit result set to specific types of refunds.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => '',
-			'enum'              => array(
-				'',
-				'all',
-				'partial',
-				'full',
-				'none',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['segmentby']        = array(
-			'description'       => __( 'Segment the response by additional constraint.', 'woocommerce' ),
-			'type'              => 'string',
-			'enum'              => array(
-				'product',
-				'category',
-				'variation',
-				'coupon',
-				'customer_type', // new vs returning.
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-
-		return $params;
-	}
-
-}
diff --git a/src/Controllers/Version4/Reports/Orders.php b/src/Controllers/Version4/Reports/Orders.php
deleted file mode 100644
index c4c71a12c9e..00000000000
--- a/src/Controllers/Version4/Reports/Orders.php
+++ /dev/null
@@ -1,371 +0,0 @@
-<?php
-/**
- * REST API Reports orders controller
- *
- * Handles requests to the /reports/orders endpoint.
- *
- * @package WooCommerce/RestApi
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4\Reports;
-
-defined( 'ABSPATH' ) || exit;
-
-use \WooCommerce\RestApi\Controllers\Version4\Reports as Reports;
-
-/**
- * REST API Orders Reports class.
- */
-class Orders extends Reports {
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'reports/orders';
-
-	/**
-	 * Maps query arguments from the REST request.
-	 *
-	 * @param array $request Request array.
-	 * @return array
-	 */
-	protected function prepare_reports_query( $request ) {
-		$args                     = array();
-		$args['before']           = $request['before'];
-		$args['after']            = $request['after'];
-		$args['page']             = $request['page'];
-		$args['per_page']         = $request['per_page'];
-		$args['orderby']          = $request['orderby'];
-		$args['order']            = $request['order'];
-		$args['product_includes'] = (array) $request['product_includes'];
-		$args['product_excludes'] = (array) $request['product_excludes'];
-		$args['coupon_includes']  = (array) $request['coupon_includes'];
-		$args['coupon_excludes']  = (array) $request['coupon_excludes'];
-		$args['status_is']        = (array) $request['status_is'];
-		$args['status_is_not']    = (array) $request['status_is_not'];
-		$args['customer_type']    = $request['customer_type'];
-		$args['extended_info']    = $request['extended_info'];
-		$args['refunds']          = $request['refunds'];
-		return $args;
-	}
-
-	/**
-	 * Get all reports.
-	 *
-	 * @param \WP_REST_Request $request Request data.
-	 * @return array|\WP_Error
-	 */
-	public function get_items( $request ) {
-		$query_args   = $this->prepare_reports_query( $request );
-		$orders_query = new \WC_Admin_Reports_Orders_Query( $query_args );
-		$report_data  = $orders_query->get_data();
-
-		$data = array();
-
-		foreach ( $report_data->data as $orders_data ) {
-			$orders_data['order_number'] = $this->get_order_number( $orders_data['order_id'] );
-			$item                        = $this->prepare_item_for_response( $orders_data, $request );
-			$data[]                      = $this->prepare_response_for_collection( $item );
-		}
-
-		$response = rest_ensure_response( $data );
-		$response->header( 'X-WP-Total', (int) $report_data->total );
-		$response->header( 'X-WP-TotalPages', (int) $report_data->pages );
-
-		$page      = $report_data->page_no;
-		$max_pages = $report_data->pages;
-		$base      = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
-		if ( $page > 1 ) {
-			$prev_page = $page - 1;
-			if ( $prev_page > $max_pages ) {
-				$prev_page = $max_pages;
-			}
-			$prev_link = add_query_arg( 'page', $prev_page, $base );
-			$response->link_header( 'prev', $prev_link );
-		}
-		if ( $max_pages > $page ) {
-			$next_page = $page + 1;
-			$next_link = add_query_arg( 'page', $next_page, $base );
-			$response->link_header( 'next', $next_link );
-		}
-
-		return $response;
-	}
-
-	/**
-	 * Prepare a report object for serialization.
-	 *
-	 * @param stdClass        $report  Report data.
-	 * @param \WP_REST_Request $request Request object.
-	 * @return \WP_REST_Response
-	 */
-	public function prepare_item_for_response( $report, $request ) {
-		$data = $report;
-
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data    = $this->add_additional_fields_to_object( $data, $request );
-		$data    = $this->filter_response_by_context( $data, $context );
-
-		// Wrap the data in a response object.
-		$response = rest_ensure_response( $data );
-		$response->add_links( $this->prepare_links( $report ) );
-
-		/**
-		 * Filter a report returned from the API.
-		 *
-		 * Allows modification of the report data right before it is returned.
-		 *
-		 * @param \WP_REST_Response $response The response object.
-		 * @param object           $report   The original report object.
-		 * @param \WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_report_orders', $response, $report, $request );
-	}
-
-	/**
-	 * Prepare links for the request.
-	 *
-	 * @param WC_Reports_Query $object Object data.
-	 * @return array
-	 */
-	protected function prepare_links( $object ) {
-		$links = array(
-			'order' => array(
-				'href' => rest_url( sprintf( '/%s/orders/%d', $this->namespace, $object['order_id'] ) ),
-			),
-		);
-
-		return $links;
-	}
-
-	/**
-	 * Get the Report's schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_item_schema() {
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'report_orders',
-			'type'       => 'object',
-			'properties' => array(
-				'order_id'       => array(
-					'description' => __( 'Order ID.', 'woocommerce' ),
-					'type'        => 'integer',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'order_number'   => array(
-					'description' => __( 'Order Number.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'date_created'   => array(
-					'description' => __( 'Date the order was created.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'status'         => array(
-					'description' => __( 'Order status.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'customer_id'    => array(
-					'description' => __( 'Customer ID.', 'woocommerce' ),
-					'type'        => 'integer',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'num_items_sold' => array(
-					'description' => __( 'Number of items sold.', 'woocommerce' ),
-					'type'        => 'integer',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'net_total'      => array(
-					'description' => __( 'Net total revenue.', 'woocommerce' ),
-					'type'        => 'float',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'customer_type'  => array(
-					'description' => __( 'Returning or new customer.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'extended_info'  => array(
-					'products'   => array(
-						'type'        => 'array',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'List of product IDs and names.', 'woocommerce' ),
-					),
-					'categories' => array(
-						'type'        => 'array',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Category IDs.', 'woocommerce' ),
-					),
-				),
-			),
-		);
-
-		return $this->add_additional_fields_schema( $schema );
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params                     = array();
-		$params['context']          = $this->get_context_param( array( 'default' => 'view' ) );
-		$params['page']             = array(
-			'description'       => __( 'Current page of the collection.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 1,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-			'minimum'           => 1,
-		);
-		$params['per_page']         = array(
-			'description'       => __( 'Maximum number of items to be returned in result set.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 10,
-			'minimum'           => 0,
-			'maximum'           => 100,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['after']            = array(
-			'description'       => __( 'Limit response to resources published after a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['before']           = array(
-			'description'       => __( 'Limit response to resources published before a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['order']            = array(
-			'description'       => __( 'Order sort attribute ascending or descending.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'desc',
-			'enum'              => array( 'asc', 'desc' ),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['orderby']          = array(
-			'description'       => __( 'Sort collection by object attribute.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'date',
-			'enum'              => array(
-				'date',
-				'num_items_sold',
-				'net_total',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['product_includes'] = array(
-			'description'       => __( 'Limit result set to items that have the specified product(s) assigned.', 'woocommerce' ),
-			'type'              => 'array',
-			'items'             => array(
-				'type' => 'integer',
-			),
-			'default'           => array(),
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['product_excludes'] = array(
-			'description'       => __( 'Limit result set to items that don\'t have the specified product(s) assigned.', 'woocommerce' ),
-			'type'              => 'array',
-			'items'             => array(
-				'type' => 'integer',
-			),
-			'default'           => array(),
-			'validate_callback' => 'rest_validate_request_arg',
-			'sanitize_callback' => 'wp_parse_id_list',
-		);
-		$params['coupon_includes']  = array(
-			'description'       => __( 'Limit result set to items that have the specified coupon(s) assigned.', 'woocommerce' ),
-			'type'              => 'array',
-			'items'             => array(
-				'type' => 'integer',
-			),
-			'default'           => array(),
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['coupon_excludes']  = array(
-			'description'       => __( 'Limit result set to items that don\'t have the specified coupon(s) assigned.', 'woocommerce' ),
-			'type'              => 'array',
-			'items'             => array(
-				'type' => 'integer',
-			),
-			'default'           => array(),
-			'validate_callback' => 'rest_validate_request_arg',
-			'sanitize_callback' => 'wp_parse_id_list',
-		);
-		$params['status_is']        = array(
-			'description'       => __( 'Limit result set to items that have the specified order status.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_slug_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'enum' => $this->get_order_statuses(),
-				'type' => 'string',
-			),
-		);
-		$params['status_is_not']    = array(
-			'description'       => __( 'Limit result set to items that don\'t have the specified order status.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_slug_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'enum' => $this->get_order_statuses(),
-				'type' => 'string',
-			),
-		);
-		$params['customer_type']    = array(
-			'description'       => __( 'Limit result set to returning or new customers.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => '',
-			'enum'              => array(
-				'',
-				'returning',
-				'new',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['refunds']          = array(
-			'description'       => __( 'Limit result set to specific types of refunds.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => '',
-			'enum'              => array(
-				'',
-				'all',
-				'partial',
-				'full',
-				'none',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['extended_info']    = array(
-			'description'       => __( 'Add additional piece of info about each coupon to the report.', 'woocommerce' ),
-			'type'              => 'boolean',
-			'default'           => false,
-			'sanitize_callback' => 'wc_string_to_bool',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-
-		return $params;
-	}
-}
diff --git a/src/Controllers/Version4/Reports/PerformanceIndicators.php b/src/Controllers/Version4/Reports/PerformanceIndicators.php
deleted file mode 100644
index 164b34a2bec..00000000000
--- a/src/Controllers/Version4/Reports/PerformanceIndicators.php
+++ /dev/null
@@ -1,499 +0,0 @@
-<?php
-/**
- * REST API Performance indicators controller
- *
- * Handles requests to the /reports/store-performance endpoint.
- *
- * @package WooCommerce/RestApi
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4\Reports;
-
-defined( 'ABSPATH' ) || exit;
-
-use \WooCommerce\RestApi\Controllers\Version4\Reports as Reports;
-
-/**
- * REST API PerformanceIndicators class.
- */
-class PerformanceIndicators extends Reports {
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'reports/performance-indicators';
-
-	/**
-	 * Contains a list of endpoints by report slug.
-	 *
-	 * @var array
-	 */
-	protected $endpoints = array();
-
-	/**
-	 * Contains a list of allowed stats.
-	 *
-	 * @var array
-	 */
-	protected $allowed_stats = array();
-
-	/**
-	 * Contains a list of stat labels.
-	 *
-	 * @var array
-	 */
-	protected $labels = array();
-
-	/**
-	 * Contains a list of endpoints by url.
-	 *
-	 * @var array
-	 */
-	protected $urls = array();
-
-	/**
-	 * Register the routes for reports.
-	 */
-	public function register_routes() {
-		register_rest_route(
-			$this->namespace,
-			'/' . $this->rest_base,
-			array(
-				array(
-					'methods'             => \WP_REST_Server::READABLE,
-					'callback'            => array( $this, 'get_items' ),
-					'permission_callback' => array( $this, 'get_items_permissions_check' ),
-					'args'                => $this->get_collection_params(),
-				),
-				'schema' => array( $this, 'get_public_item_schema' ),
-			)
-		);
-
-		register_rest_route(
-			$this->namespace,
-			'/' . $this->rest_base . '/allowed',
-			array(
-				array(
-					'methods'             => \WP_REST_Server::READABLE,
-					'callback'            => array( $this, 'get_allowed_items' ),
-					'permission_callback' => array( $this, 'get_items_permissions_check' ),
-					'args'                => $this->get_collection_params(),
-				),
-				'schema' => array( $this, 'get_public_allowed_item_schema' ),
-			)
-		);
-	}
-
-	/**
-	 * Maps query arguments from the REST request.
-	 *
-	 * @param array $request Request array.
-	 * @return array
-	 */
-	protected function prepare_reports_query( $request ) {
-		$args           = array();
-		$args['before'] = $request['before'];
-		$args['after']  = $request['after'];
-		$args['stats']  = $request['stats'];
-		return $args;
-	}
-
-	/**
-	 * Get information such as allowed stats, stat labels, and endpoint data from stats reports.
-	 *
-	 * @return \WP_Error|True
-	 */
-	private function get_indicator_data() {
-		// Data already retrieved.
-		if ( ! empty( $this->endpoints ) && ! empty( $this->labels ) && ! empty( $this->allowed_stats ) ) {
-			return true;
-		}
-
-		$request       = new \WP_REST_Request( 'GET', '/wc/v4/reports' );
-		$response      = rest_do_request( $request );
-		$endpoints     = $response->get_data();
-		$allowed_stats = array();
-		if ( 200 !== $response->get_status() ) {
-			return new \WP_Error( 'woocommerce_reports_performance_indicators_result_failed', __( 'Sorry, fetching performance indicators failed.', 'woocommerce' ) );
-		}
-
-		foreach ( $endpoints as $endpoint ) {
-			if ( '/stats' === substr( $endpoint['slug'], -6 ) ) {
-				$request  = new \WP_REST_Request( 'OPTIONS', $endpoint['path'] );
-				$response = rest_do_request( $request );
-				$data     = $response->get_data();
-
-				$prefix = substr( $endpoint['slug'], 0, -6 );
-
-				if ( empty( $data['schema']['properties']['totals']['properties'] ) ) {
-					continue;
-				}
-
-				foreach ( $data['schema']['properties']['totals']['properties'] as $property_key => $schema_info ) {
-					if ( empty( $schema_info['indicator'] ) || ! $schema_info['indicator'] ) {
-						continue;
-					}
-
-					$stat            = $prefix . '/' . $property_key;
-					$allowed_stats[] = $stat;
-
-					$this->labels[ $stat ]  = trim( preg_replace( '/\W+/', ' ', $schema_info['description'] ) );
-					$this->formats[ $stat ] = isset( $schema_info['format'] ) ? $schema_info['format'] : 'number';
-				}
-
-				$this->endpoints[ $prefix ] = $endpoint['path'];
-				$this->urls[ $prefix ]      = $endpoint['_links']['report'][0]['href'];
-			}
-		}
-
-		$this->allowed_stats = $allowed_stats;
-		return true;
-	}
-
-	/**
-	 * Returns a list of allowed performance indicators.
-	 *
-	 * @param  \WP_REST_Request $request Request data.
-	 * @return array|\WP_Error
-	 */
-	public function get_allowed_items( $request ) {
-		$indicator_data = $this->get_indicator_data();
-		if ( is_wp_error( $indicator_data ) ) {
-			return $indicator_data;
-		}
-
-		$data = array();
-		foreach ( $this->allowed_stats as $stat ) {
-			$pieces = $this->get_stats_parts( $stat );
-			$report = $pieces[0];
-			$chart  = $pieces[1];
-			$data[] = (object) array(
-				'stat'  => $stat,
-				'chart' => $chart,
-				'label' => $this->labels[ $stat ],
-			);
-		}
-
-		usort( $data, array( $this, 'sort' ) );
-
-		$objects = array();
-		foreach ( $data as $item ) {
-			$prepared  = $this->prepare_item_for_response( $item, $request );
-			$objects[] = $this->prepare_response_for_collection( $prepared );
-		}
-
-		$response = rest_ensure_response( $objects );
-		$response->header( 'X-WP-Total', count( $data ) );
-		$response->header( 'X-WP-TotalPages', 1 );
-
-		$base = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
-
-		return $response;
-	}
-
-	/**
-	 * Sorts the list of stats. Sorted by custom arrangement.
-	 *
-	 * @see https://github.com/woocommerce/woocommerce-admin/issues/1282
-	 * @param object $a First item.
-	 * @param object $b Second item.
-	 * @return order
-	 */
-	public function sort( $a, $b ) {
-		/**
-		 * Custom ordering for store performance indicators.
-		 *
-		 * @see https://github.com/woocommerce/woocommerce-admin/issues/1282
-		 * @param array $indicators A list of ordered indicators.
-		 */
-		$stat_order = apply_filters(
-			'woocommerce_rest_report_sort_performance_indicators',
-			array(
-				'revenue/gross_revenue',
-				'revenue/net_revenue',
-				'orders/orders_count',
-				'orders/avg_order_value',
-				'products/items_sold',
-				'revenue/refunds',
-				'coupons/orders_count',
-				'coupons/amount',
-				'taxes/total_tax',
-				'taxes/order_tax',
-				'taxes/shipping_tax',
-				'revenue/shipping',
-				'downloads/download_count',
-			)
-		);
-
-		$a = array_search( $a->stat, $stat_order );
-		$b = array_search( $b->stat, $stat_order );
-
-		if ( false === $a && false === $b ) {
-			return 0;
-		} elseif ( false === $a ) {
-			return 1;
-		} elseif ( false === $b ) {
-			return -1;
-		} else {
-			return $a - $b;
-		}
-	}
-
-	/**
-	 * Get all reports.
-	 *
-	 * @param  \WP_REST_Request $request Request data.
-	 * @return array|\WP_Error
-	 */
-	public function get_items( $request ) {
-		$indicator_data = $this->get_indicator_data();
-		if ( is_wp_error( $indicator_data ) ) {
-			return $indicator_data;
-		}
-
-		$query_args = $this->prepare_reports_query( $request );
-		if ( empty( $query_args['stats'] ) ) {
-			return new \WP_Error( 'woocommerce_reports_performance_indicators_empty_query', __( 'A list of stats to query must be provided.', 'woocommerce' ), 400 );
-		}
-
-		$stats = array();
-		foreach ( $query_args['stats'] as $stat ) {
-			$is_error = false;
-
-			$pieces = $this->get_stats_parts( $stat );
-			$report = $pieces[0];
-			$chart  = $pieces[1];
-
-			if ( ! in_array( $stat, $this->allowed_stats ) ) {
-				continue;
-			}
-
-			$request_url = $this->endpoints[ $report ];
-			$request     = new \WP_REST_Request( 'GET', $request_url );
-			$request->set_param( 'before', $query_args['before'] );
-			$request->set_param( 'after', $query_args['after'] );
-
-			$response = rest_do_request( $request );
-
-			$data   = $response->get_data();
-			$format = $this->formats[ $stat ];
-			$label  = $this->labels[ $stat ];
-
-			if ( 200 !== $response->get_status() || ! isset( $data['totals'][ $chart ] ) ) {
-				$stats[] = (object) array(
-					'stat'   => $stat,
-					'chart'  => $chart,
-					'label'  => $label,
-					'format' => $format,
-					'value'  => null,
-				);
-				continue;
-			}
-
-			$stats[] = (object) array(
-				'stat'   => $stat,
-				'chart'  => $chart,
-				'label'  => $label,
-				'format' => $format,
-				'value'  => $data['totals'][ $chart ],
-			);
-		}
-
-		usort( $stats, array( $this, 'sort' ) );
-
-		$objects = array();
-		foreach ( $stats as $stat ) {
-			$data      = $this->prepare_item_for_response( $stat, $request );
-			$objects[] = $this->prepare_response_for_collection( $data );
-		}
-
-		$response = rest_ensure_response( $objects );
-		$response->header( 'X-WP-Total', count( $stats ) );
-		$response->header( 'X-WP-TotalPages', 1 );
-
-		$base = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
-
-		return $response;
-	}
-
-	/**
-	 * Prepare a report object for serialization.
-	 *
-	 * @param stdClass        $stat_data    Report data.
-	 * @param \WP_REST_Request $request Request object.
-	 * @return \WP_REST_Response
-	 */
-	public function prepare_item_for_response( $stat_data, $request ) {
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data    = $this->add_additional_fields_to_object( $stat_data, $request );
-		$data    = $this->filter_response_by_context( $data, $context );
-
-		// Wrap the data in a response object.
-		$response = rest_ensure_response( $data );
-
-		$response->add_links( $this->prepare_links( $data ) );
-
-		/**
-		 * Filter a report returned from the API.
-		 *
-		 * Allows modification of the report data right before it is returned.
-		 *
-		 * @param \WP_REST_Response $response The response object.
-		 * @param object           $report   The original report object.
-		 * @param \WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_report_performance_indicators', $response, $stat_data, $request );
-	}
-
-	/**
-	 * Prepare links for the request.
-	 *
-	 * @param WC_Admin_Reports_Query $object Object data.
-	 * @return array
-	 */
-	protected function prepare_links( $object ) {
-		$pieces   = $this->get_stats_parts( $object->stat );
-		$endpoint = $pieces[0];
-		$stat     = $pieces[1];
-		$url      = $this->urls[ $endpoint ];
-
-		$links = array(
-			'api'    => array(
-				'href' => rest_url( $this->endpoints[ $endpoint ] ),
-			),
-			'report' => array(
-				'href' => ! empty( $url ) ? $url : '',
-			),
-		);
-
-		return $links;
-	}
-
-	/**
-	 * Returns the endpoint part of a stat request (prefix) and the actual stat total we want.
-	 * To allow extensions to namespace (example: fue/emails/sent), we break on the last forward slash.
-	 *
-	 * @param string $full_stat A stat request string like orders/avg_order_value or fue/emails/sent.
-	 * @return array Containing the prefix (endpoint) and suffix (stat).
-	 */
-	private function get_stats_parts( $full_stat ) {
-		$endpoint = substr( $full_stat, 0, strrpos( $full_stat, '/' ) );
-		$stat     = substr( $full_stat, ( strrpos( $full_stat, '/' ) + 1 ) );
-		return array(
-			$endpoint,
-			$stat,
-		);
-	}
-
-	/**
-	 * Get the Report's schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_item_schema() {
-		$indicator_data = $this->get_indicator_data();
-		if ( is_wp_error( $indicator_data ) ) {
-			$allowed_stats = array();
-		} else {
-			$allowed_stats = $this->allowed_stats;
-		}
-
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'report_performance_indicator',
-			'type'       => 'object',
-			'properties' => array(
-				'stat'   => array(
-					'description' => __( 'Unique identifier for the resource.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-					'enum'        => $allowed_stats,
-				),
-				'chart'  => array(
-					'description' => __( 'The specific chart this stat referrers to.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'label'  => array(
-					'description' => __( 'Human readable label for the stat.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'format' => array(
-					'description' => __( 'Format of the stat.', 'woocommerce' ),
-					'type'        => 'number',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-					'enum'        => array( 'number', 'currency' ),
-				),
-				'value'  => array(
-					'description' => __( 'Value of the stat. Returns null if the stat does not exist or cannot be loaded.', 'woocommerce' ),
-					'type'        => 'number',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-			),
-		);
-
-		return $this->add_additional_fields_schema( $schema );
-	}
-
-	/**
-	 * Get schema for the list of allowed performance indicators.
-	 *
-	 * @return array $schema
-	 */
-	public function get_public_allowed_item_schema() {
-		$schema = $this->get_public_item_schema();
-		unset( $schema['properties']['value'] );
-		unset( $schema['properties']['format'] );
-		return $schema;
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$indicator_data = $this->get_indicator_data();
-		if ( is_wp_error( $indicator_data ) ) {
-			$allowed_stats = __( 'There was an issue loading the report endpoints', 'woocommerce' );
-		} else {
-			$allowed_stats = implode( ', ', $this->allowed_stats );
-		}
-
-		$params            = array();
-		$params['context'] = $this->get_context_param( array( 'default' => 'view' ) );
-		$params['stats']   = array(
-			'description'       => sprintf(
-				/* translators: Allowed values is a list of stat endpoints. */
-				__( 'Limit response to specific report stats. Allowed values: %s.', 'woocommerce' ),
-				$allowed_stats
-			),
-			'type'              => 'array',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'string',
-			),
-		);
-		$params['after']   = array(
-			'description'       => __( 'Limit response to resources published after a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['before']  = array(
-			'description'       => __( 'Limit response to resources published before a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		return $params;
-	}
-}
diff --git a/src/Controllers/Version4/Reports/ProductStats.php b/src/Controllers/Version4/Reports/ProductStats.php
deleted file mode 100644
index caceed9698a..00000000000
--- a/src/Controllers/Version4/Reports/ProductStats.php
+++ /dev/null
@@ -1,410 +0,0 @@
-<?php
-/**
- * REST API Reports products stats controller
- *
- * Handles requests to the /reports/products/stats endpoint.
- *
- * @package WooCommerce/RestApi
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4\Reports;
-
-defined( 'ABSPATH' ) || exit;
-
-use \WooCommerce\RestApi\Controllers\Version4\Reports as Reports;
-
-/**
- * REST API ProductStats Reports class.
- */
-class ProductStats extends Reports {
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'reports/products/stats';
-
-	/**
-	 * Mapping between external parameter name and name used in query class.
-	 *
-	 * @var array
-	 */
-	protected $param_mapping = array(
-		'products' => 'product_includes',
-	);
-
-	/**
-	 * Constructor.
-	 */
-	public function __construct() {
-		add_filter( 'woocommerce_reports_products_stats_select_query', array( $this, 'set_default_report_data' ) );
-	}
-
-	/**
-	 * Get all reports.
-	 *
-	 * @param \WP_REST_Request $request Request data.
-	 * @return array|\WP_Error
-	 */
-	public function get_items( $request ) {
-		$query_args = array(
-			'fields' => array(
-				'items_sold',
-				'net_revenue',
-				'orders_count',
-				'products_count',
-				'variations_count',
-			),
-		);
-
-		$registered = array_keys( $this->get_collection_params() );
-		foreach ( $registered as $param_name ) {
-			if ( isset( $request[ $param_name ] ) ) {
-				if ( isset( $this->param_mapping[ $param_name ] ) ) {
-					$query_args[ $this->param_mapping[ $param_name ] ] = $request[ $param_name ];
-				} else {
-					$query_args[ $param_name ] = $request[ $param_name ];
-				}
-			}
-		}
-
-		$query = new \WC_Admin_Reports_Products_Stats_Query( $query_args );
-		try {
-			$report_data = $query->get_data();
-		} catch ( \WC_Admin_Reports_Parameter_Exception $e ) {
-			return new \WP_Error( $e->getErrorCode(), $e->getMessage(), array( 'status' => $e->getCode() ) );
-		}
-
-		$out_data = array(
-			'totals'    => get_object_vars( $report_data->totals ),
-			'intervals' => array(),
-		);
-
-		foreach ( $report_data->intervals as $interval_data ) {
-			$item                    = $this->prepare_item_for_response( $interval_data, $request );
-			$out_data['intervals'][] = $this->prepare_response_for_collection( $item );
-		}
-
-		$response = rest_ensure_response( $out_data );
-		$response->header( 'X-WP-Total', (int) $report_data->total );
-		$response->header( 'X-WP-TotalPages', (int) $report_data->pages );
-
-		$page      = $report_data->page_no;
-		$max_pages = $report_data->pages;
-		$base      = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
-		if ( $page > 1 ) {
-			$prev_page = $page - 1;
-			if ( $prev_page > $max_pages ) {
-				$prev_page = $max_pages;
-			}
-			$prev_link = add_query_arg( 'page', $prev_page, $base );
-			$response->link_header( 'prev', $prev_link );
-		}
-		if ( $max_pages > $page ) {
-			$next_page = $page + 1;
-			$next_link = add_query_arg( 'page', $next_page, $base );
-			$response->link_header( 'next', $next_link );
-		}
-
-		return $response;
-	}
-
-	/**
-	 * Prepare a report object for serialization.
-	 *
-	 * @param Array           $report  Report data.
-	 * @param \WP_REST_Request $request Request object.
-	 * @return \WP_REST_Response
-	 */
-	public function prepare_item_for_response( $report, $request ) {
-		$data = $report;
-
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data    = $this->add_additional_fields_to_object( $data, $request );
-		$data    = $this->filter_response_by_context( $data, $context );
-
-		// Wrap the data in a response object.
-		$response = rest_ensure_response( $data );
-
-		/**
-		 * Filter a report returned from the API.
-		 *
-		 * Allows modification of the report data right before it is returned.
-		 *
-		 * @param \WP_REST_Response $response The response object.
-		 * @param object           $report   The original report object.
-		 * @param \WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_report_products_stats', $response, $report, $request );
-	}
-
-	/**
-	 * Get the Report's schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_item_schema() {
-		$data_values = array(
-			'items_sold'   => array(
-				'description' => __( 'Number of items sold.', 'woocommerce' ),
-				'type'        => 'integer',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'indicator'   => true,
-			),
-			'net_revenue'  => array(
-				'description' => __( 'Net revenue.', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'format'      => 'currency',
-			),
-			'orders_count' => array(
-				'description' => __( 'Number of orders.', 'woocommerce' ),
-				'type'        => 'integer',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-			),
-		);
-
-		$segments = array(
-			'segments' => array(
-				'description' => __( 'Reports data grouped by segment condition.', 'woocommerce' ),
-				'type'        => 'array',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'items'       => array(
-					'type'       => 'object',
-					'properties' => array(
-						'segment_id'    => array(
-							'description' => __( 'Segment identificator.', 'woocommerce' ),
-							'type'        => 'integer',
-							'context'     => array( 'view', 'edit' ),
-							'readonly'    => true,
-						),
-						'segment_label' => array(
-							'description' => __( 'Human readable segment label, either product or variation name.', 'woocommerce' ),
-							'type'        => 'string',
-							'context'     => array( 'view', 'edit' ),
-							'readonly'    => true,
-							'enum'        => array( 'day', 'week', 'month', 'year' ),
-						),
-						'subtotals'     => array(
-							'description' => __( 'Interval subtotals.', 'woocommerce' ),
-							'type'        => 'object',
-							'context'     => array( 'view', 'edit' ),
-							'readonly'    => true,
-							'properties'  => $data_values,
-						),
-					),
-				),
-			),
-		);
-
-		$totals = array_merge( $data_values, $segments );
-
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'report_products_stats',
-			'type'       => 'object',
-			'properties' => array(
-				'totals'    => array(
-					'description' => __( 'Totals data.', 'woocommerce' ),
-					'type'        => 'object',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-					'properties'  => $totals,
-				),
-				'intervals' => array(
-					'description' => __( 'Reports data grouped by intervals.', 'woocommerce' ),
-					'type'        => 'array',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-					'items'       => array(
-						'type'       => 'object',
-						'properties' => array(
-							'interval'       => array(
-								'description' => __( 'Type of interval.', 'woocommerce' ),
-								'type'        => 'string',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-								'enum'        => array( 'day', 'week', 'month', 'year' ),
-							),
-							'date_start'     => array(
-								'description' => __( "The date the report start, in the site's timezone.", 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'date_start_gmt' => array(
-								'description' => __( 'The date the report start, as GMT.', 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'date_end'       => array(
-								'description' => __( "The date the report end, in the site's timezone.", 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'date_end_gmt'   => array(
-								'description' => __( 'The date the report end, as GMT.', 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'subtotals'      => array(
-								'description' => __( 'Interval subtotals.', 'woocommerce' ),
-								'type'        => 'object',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-								'properties'  => $totals,
-							),
-						),
-					),
-				),
-			),
-		);
-
-		return $this->add_additional_fields_schema( $schema );
-	}
-
-	/**
-	 * Set the default results to 0 if API returns an empty array
-	 *
-	 * @param Mixed $results Report data.
-	 * @return object
-	 */
-	public function set_default_report_data( $results ) {
-		if ( empty( $results ) ) {
-			$results                       = new \stdClass();
-			$results->total                = 0;
-			$results->totals               = new \stdClass();
-			$results->totals->items_sold   = 0;
-			$results->totals->net_revenue  = 0;
-			$results->totals->orders_count = 0;
-			$results->intervals            = array();
-			$results->pages                = 1;
-			$results->page_no              = 1;
-		}
-		return $results;
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params               = array();
-		$params['context']    = $this->get_context_param( array( 'default' => 'view' ) );
-		$params['page']       = array(
-			'description'       => __( 'Current page of the collection.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 1,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-			'minimum'           => 1,
-		);
-		$params['per_page']   = array(
-			'description'       => __( 'Maximum number of items to be returned in result set.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 10,
-			'minimum'           => 1,
-			'maximum'           => 100,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['after']      = array(
-			'description'       => __( 'Limit response to resources published after a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['before']     = array(
-			'description'       => __( 'Limit response to resources published before a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['order']      = array(
-			'description'       => __( 'Order sort attribute ascending or descending.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'desc',
-			'enum'              => array( 'asc', 'desc' ),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['orderby']    = array(
-			'description'       => __( 'Sort collection by object attribute.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'date',
-			'enum'              => array(
-				'date',
-				'net_revenue',
-				'coupons',
-				'refunds',
-				'shipping',
-				'taxes',
-				'net_revenue',
-				'orders_count',
-				'items_sold',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['interval']   = array(
-			'description'       => __( 'Time interval to use for buckets in the returned data.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'week',
-			'enum'              => array(
-				'hour',
-				'day',
-				'week',
-				'month',
-				'quarter',
-				'year',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['categories'] = array(
-			'description'       => __( 'Limit result to items from the specified categories.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-		);
-		$params['products']   = array(
-			'description'       => __( 'Limit result to items with specified product ids.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-		);
-		$params['variations'] = array(
-			'description'       => __( 'Limit result to items with specified variation ids.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-		);
-		$params['segmentby']  = array(
-			'description'       => __( 'Segment the response by additional constraint.', 'woocommerce' ),
-			'type'              => 'string',
-			'enum'              => array(
-				'product',
-				'category',
-				'variation',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-
-		return $params;
-	}
-}
diff --git a/src/Controllers/Version4/Reports/Products.php b/src/Controllers/Version4/Reports/Products.php
deleted file mode 100644
index fd91702dbc7..00000000000
--- a/src/Controllers/Version4/Reports/Products.php
+++ /dev/null
@@ -1,338 +0,0 @@
-<?php
-/**
- * REST API Reports products controller
- *
- * Handles requests to the /reports/products endpoint.
- *
- * @package WooCommerce/RestApi
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4\Reports;
-
-defined( 'ABSPATH' ) || exit;
-
-use \WooCommerce\RestApi\Controllers\Version4\Reports as Reports;
-
-/**
- * REST API Products Reports class.
- */
-class Products extends Reports {
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'reports/products';
-
-	/**
-	 * Mapping between external parameter name and name used in query class.
-	 *
-	 * @var array
-	 */
-	protected $param_mapping = array(
-		'products' => 'product_includes',
-	);
-
-	/**
-	 * Get items.
-	 *
-	 * @param \WP_REST_Request $request Request data.
-	 *
-	 * @return array|\WP_Error
-	 */
-	public function get_items( $request ) {
-		$args       = array();
-		$registered = array_keys( $this->get_collection_params() );
-		foreach ( $registered as $param_name ) {
-			if ( isset( $request[ $param_name ] ) ) {
-				if ( isset( $this->param_mapping[ $param_name ] ) ) {
-					$args[ $this->param_mapping[ $param_name ] ] = $request[ $param_name ];
-				} else {
-					$args[ $param_name ] = $request[ $param_name ];
-				}
-			}
-		}
-
-		$reports       = new \WC_Admin_Reports_Products_Query( $args );
-		$products_data = $reports->get_data();
-
-		$data = array();
-
-		foreach ( $products_data->data as $product_data ) {
-			$item   = $this->prepare_item_for_response( $product_data, $request );
-			$data[] = $this->prepare_response_for_collection( $item );
-		}
-
-		$response = rest_ensure_response( $data );
-		$response->header( 'X-WP-Total', (int) $products_data->total );
-		$response->header( 'X-WP-TotalPages', (int) $products_data->pages );
-
-		$page      = $products_data->page_no;
-		$max_pages = $products_data->pages;
-		$base      = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
-		if ( $page > 1 ) {
-			$prev_page = $page - 1;
-			if ( $prev_page > $max_pages ) {
-				$prev_page = $max_pages;
-			}
-			$prev_link = add_query_arg( 'page', $prev_page, $base );
-			$response->link_header( 'prev', $prev_link );
-		}
-		if ( $max_pages > $page ) {
-			$next_page = $page + 1;
-			$next_link = add_query_arg( 'page', $next_page, $base );
-			$response->link_header( 'next', $next_link );
-		}
-
-		return $response;
-	}
-
-	/**
-	 * Prepare a report object for serialization.
-	 *
-	 * @param Array           $report  Report data.
-	 * @param \WP_REST_Request $request Request object.
-	 * @return \WP_REST_Response
-	 */
-	public function prepare_item_for_response( $report, $request ) {
-		$data = $report;
-
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data    = $this->add_additional_fields_to_object( $data, $request );
-		$data    = $this->filter_response_by_context( $data, $context );
-
-		// Wrap the data in a response object.
-		$response = rest_ensure_response( $data );
-		$response->add_links( $this->prepare_links( $report ) );
-
-		/**
-		 * Filter a report returned from the API.
-		 *
-		 * Allows modification of the report data right before it is returned.
-		 *
-		 * @param \WP_REST_Response $response The response object.
-		 * @param object           $report   The original report object.
-		 * @param \WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_report_products', $response, $report, $request );
-	}
-
-	/**
-	 * Prepare links for the request.
-	 *
-	 * @param Array $object Object data.
-	 * @return array        Links for the given post.
-	 */
-	protected function prepare_links( $object ) {
-		$links = array(
-			'product' => array(
-				'href' => rest_url( sprintf( '/%s/%s/%d', $this->namespace, 'products', $object['product_id'] ) ),
-			),
-		);
-
-		return $links;
-	}
-
-	/**
-	 * Get the Report's schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_item_schema() {
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'report_products',
-			'type'       => 'object',
-			'properties' => array(
-				'product_id'    => array(
-					'type'        => 'integer',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit' ),
-					'description' => __( 'Product ID.', 'woocommerce' ),
-				),
-				'items_sold'    => array(
-					'type'        => 'integer',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit' ),
-					'description' => __( 'Number of items sold.', 'woocommerce' ),
-				),
-				'net_revenue'   => array(
-					'type'        => 'number',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit' ),
-					'description' => __( 'Total net revenue of all items sold.', 'woocommerce' ),
-				),
-				'orders_count'  => array(
-					'type'        => 'integer',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit' ),
-					'description' => __( 'Number of orders product appeared in.', 'woocommerce' ),
-				),
-				'extended_info' => array(
-					'name'             => array(
-						'type'        => 'string',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Product name.', 'woocommerce' ),
-					),
-					'price'            => array(
-						'type'        => 'number',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Product price.', 'woocommerce' ),
-					),
-					'image'            => array(
-						'type'        => 'string',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Product image.', 'woocommerce' ),
-					),
-					'permalink'        => array(
-						'type'        => 'string',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Product link.', 'woocommerce' ),
-					),
-					'attributes'       => array(
-						'type'        => 'array',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Product attributes.', 'woocommerce' ),
-					),
-					'stock_status'     => array(
-						'type'        => 'string',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Product inventory status.', 'woocommerce' ),
-					),
-					'stock_quantity'   => array(
-						'type'        => 'integer',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Product inventory quantity.', 'woocommerce' ),
-					),
-					'low_stock_amount' => array(
-						'type'        => 'integer',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Product inventory threshold for low stock.', 'woocommerce' ),
-					),
-					'variations'       => array(
-						'type'        => 'array',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Product variations IDs.', 'woocommerce' ),
-					),
-					'sku'              => array(
-						'type'        => 'string',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Product SKU.', 'woocommerce' ),
-					),
-				),
-			),
-		);
-
-		return $this->add_additional_fields_schema( $schema );
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params               = array();
-		$params['context']    = $this->get_context_param( array( 'default' => 'view' ) );
-		$params['page']       = array(
-			'description'       => __( 'Current page of the collection.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 1,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-			'minimum'           => 1,
-		);
-		$params['per_page']   = array(
-			'description'       => __( 'Maximum number of items to be returned in result set.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 10,
-			'minimum'           => 1,
-			'maximum'           => 100,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['after']      = array(
-			'description'       => __( 'Limit response to resources published after a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['before']     = array(
-			'description'       => __( 'Limit response to resources published before a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['order']      = array(
-			'description'       => __( 'Order sort attribute ascending or descending.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'desc',
-			'enum'              => array( 'asc', 'desc' ),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['orderby']    = array(
-			'description'       => __( 'Sort collection by object attribute.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'date',
-			'enum'              => array(
-				'date',
-				'net_revenue',
-				'orders_count',
-				'items_sold',
-				'product_name',
-				'variations',
-				'sku',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['categories'] = array(
-			'description'       => __( 'Limit result to items from the specified categories.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-		);
-		$params['match']      = array(
-			'description'       => __( 'Indicates whether all the conditions should be true for the resulting set, or if any one of them is sufficient. Match affects the following parameters: status_is, status_is_not, product_includes, product_excludes, coupon_includes, coupon_excludes, customer, categories', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'all',
-			'enum'              => array(
-				'all',
-				'any',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['products']   = array(
-			'description'       => __( 'Limit result to items with specified product ids.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-
-		);
-		$params['extended_info'] = array(
-			'description'       => __( 'Add additional piece of info about each product to the report.', 'woocommerce' ),
-			'type'              => 'boolean',
-			'default'           => false,
-			'sanitize_callback' => 'wc_string_to_bool',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-
-		return $params;
-	}
-}
diff --git a/src/Controllers/Version4/Reports/RevenueStats.php b/src/Controllers/Version4/Reports/RevenueStats.php
deleted file mode 100644
index 50608095a0f..00000000000
--- a/src/Controllers/Version4/Reports/RevenueStats.php
+++ /dev/null
@@ -1,396 +0,0 @@
-<?php
-/**
- * REST API Reports revenue stats controller
- *
- * Handles requests to the /reports/revenue/stats endpoint.
- *
- * @package WooCommerce/RestApi
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4\Reports;
-
-defined( 'ABSPATH' ) || exit;
-
-use \WooCommerce\RestApi\Controllers\Version4\Reports as Reports;
-
-/**
- * REST API RevenueStats Reports class.
- */
-class RevenueStats extends Reports {
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'reports/revenue/stats';
-
-	/**
-	 * Maps query arguments from the REST request.
-	 *
-	 * @param array $request Request array.
-	 * @return array
-	 */
-	protected function prepare_reports_query( $request ) {
-		$args              = array();
-		$args['before']    = $request['before'];
-		$args['after']     = $request['after'];
-		$args['interval']  = $request['interval'];
-		$args['page']      = $request['page'];
-		$args['per_page']  = $request['per_page'];
-		$args['orderby']   = $request['orderby'];
-		$args['order']     = $request['order'];
-		$args['segmentby'] = $request['segmentby'];
-
-		return $args;
-	}
-
-	/**
-	 * Get all reports.
-	 *
-	 * @param \WP_REST_Request $request Request data.
-	 * @return array|\WP_Error
-	 */
-	public function get_items( $request ) {
-		$query_args      = $this->prepare_reports_query( $request );
-		$reports_revenue = new \WC_Admin_Reports_Revenue_Query( $query_args );
-		try {
-			$report_data = $reports_revenue->get_data();
-		} catch ( WC_Admin_Reports_Parameter_Exception $e ) {
-			return new \WP_Error( $e->getErrorCode(), $e->getMessage(), array( 'status' => $e->getCode() ) );
-		}
-
-		$out_data = array(
-			'totals'    => get_object_vars( $report_data->totals ),
-			'intervals' => array(),
-		);
-
-		foreach ( $report_data->intervals as $interval_data ) {
-			$item                    = $this->prepare_item_for_response( $interval_data, $request );
-			$out_data['intervals'][] = $this->prepare_response_for_collection( $item );
-		}
-
-		$response = rest_ensure_response( $out_data );
-		$response->header( 'X-WP-Total', (int) $report_data->total );
-		$response->header( 'X-WP-TotalPages', (int) $report_data->pages );
-
-		$page      = $report_data->page_no;
-		$max_pages = $report_data->pages;
-		$base      = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
-		if ( $page > 1 ) {
-			$prev_page = $page - 1;
-			if ( $prev_page > $max_pages ) {
-				$prev_page = $max_pages;
-			}
-			$prev_link = add_query_arg( 'page', $prev_page, $base );
-			$response->link_header( 'prev', $prev_link );
-		}
-		if ( $max_pages > $page ) {
-			$next_page = $page + 1;
-			$next_link = add_query_arg( 'page', $next_page, $base );
-			$response->link_header( 'next', $next_link );
-		}
-
-		return $response;
-	}
-
-	/**
-	 * Prepare a report object for serialization.
-	 *
-	 * @param Array           $report  Report data.
-	 * @param \WP_REST_Request $request Request object.
-	 * @return \WP_REST_Response
-	 */
-	public function prepare_item_for_response( $report, $request ) {
-		$data = $report;
-
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data    = $this->add_additional_fields_to_object( $data, $request );
-		$data    = $this->filter_response_by_context( $data, $context );
-
-		// Wrap the data in a response object.
-		$response = rest_ensure_response( $data );
-
-		/**
-		 * Filter a report returned from the API.
-		 *
-		 * Allows modification of the report data right before it is returned.
-		 *
-		 * @param \WP_REST_Response $response The response object.
-		 * @param object           $report   The original report object.
-		 * @param \WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_report_revenue_stats', $response, $report, $request );
-	}
-
-	/**
-	 * Get the Report's schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_item_schema() {
-		$data_values = array(
-			'gross_revenue'  => array(
-				'description' => __( 'Gross revenue.', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'indicator'   => true,
-				'format'      => 'currency',
-			),
-			'net_revenue'    => array(
-				'description' => __( 'Net revenue.', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'indicator'   => true,
-				'format'      => 'currency',
-			),
-			'coupons'        => array(
-				'description' => __( 'Amount discounted by coupons.', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-			),
-			'coupons_count'  => array(
-				'description' => __( 'Unique coupons count.', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'format'      => 'currency',
-			),
-			'shipping'       => array(
-				'description' => __( 'Total of shipping.', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'indicator'   => true,
-				'format'      => 'currency',
-			),
-			'taxes'          => array(
-				'description' => __( 'Total of taxes.', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'format'      => 'currency',
-			),
-			'refunds'        => array(
-				'description' => __( 'Total of refunds.', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'indicator'   => true,
-				'format'      => 'currency',
-			),
-			'orders_count'   => array(
-				'description' => __( 'Amount of orders.', 'woocommerce' ),
-				'type'        => 'integer',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-			),
-			'num_items_sold' => array(
-				'description' => __( 'Items sold.', 'woocommerce' ),
-				'type'        => 'integer',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-			),
-			'products'       => array(
-				'description' => __( 'Products sold.', 'woocommerce' ),
-				'type'        => 'integer',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-			),
-		);
-
-		$segments = array(
-			'segments' => array(
-				'description' => __( 'Reports data grouped by segment condition.', 'woocommerce' ),
-				'type'        => 'array',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'items'       => array(
-					'type'       => 'object',
-					'properties' => array(
-						'segment_id' => array(
-							'description' => __( 'Segment identificator.', 'woocommerce' ),
-							'type'        => 'integer',
-							'context'     => array( 'view', 'edit' ),
-							'readonly'    => true,
-						),
-						'subtotals'  => array(
-							'description' => __( 'Interval subtotals.', 'woocommerce' ),
-							'type'        => 'object',
-							'context'     => array( 'view', 'edit' ),
-							'readonly'    => true,
-							'properties'  => $data_values,
-						),
-					),
-				),
-			),
-		);
-
-		$totals = array_merge( $data_values, $segments );
-
-		// Products is not shown in intervals.
-		unset( $data_values['products'] );
-
-		$intervals = array_merge( $data_values, $segments );
-
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'report_revenue_stats',
-			'type'       => 'object',
-			'properties' => array(
-				'totals'    => array(
-					'description' => __( 'Totals data.', 'woocommerce' ),
-					'type'        => 'object',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-					'properties'  => $totals,
-				),
-				'intervals' => array(
-					'description' => __( 'Reports data grouped by intervals.', 'woocommerce' ),
-					'type'        => 'array',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-					'items'       => array(
-						'type'       => 'object',
-						'properties' => array(
-							'interval'       => array(
-								'description' => __( 'Type of interval.', 'woocommerce' ),
-								'type'        => 'string',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-								'enum'        => array( 'day', 'week', 'month', 'year' ),
-							),
-							'date_start'     => array(
-								'description' => __( "The date the report start, in the site's timezone.", 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'date_start_gmt' => array(
-								'description' => __( 'The date the report start, as GMT.', 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'date_end'       => array(
-								'description' => __( "The date the report end, in the site's timezone.", 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'date_end_gmt'   => array(
-								'description' => __( 'The date the report end, as GMT.', 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'subtotals'      => array(
-								'description' => __( 'Interval subtotals.', 'woocommerce' ),
-								'type'        => 'object',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-								'properties'  => $intervals,
-							),
-						),
-					),
-				),
-			),
-		);
-
-		return $this->add_additional_fields_schema( $schema );
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params              = array();
-		$params['context']   = $this->get_context_param( array( 'default' => 'view' ) );
-		$params['page']      = array(
-			'description'       => __( 'Current page of the collection.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 1,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-			'minimum'           => 1,
-		);
-		$params['per_page']  = array(
-			'description'       => __( 'Maximum number of items to be returned in result set.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 10,
-			'minimum'           => 1,
-			'maximum'           => 100,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['after']     = array(
-			'description'       => __( 'Limit response to resources published after a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['before']    = array(
-			'description'       => __( 'Limit response to resources published before a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['order']     = array(
-			'description'       => __( 'Order sort attribute ascending or descending.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'desc',
-			'enum'              => array( 'asc', 'desc' ),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['orderby']   = array(
-			'description'       => __( 'Sort collection by object attribute.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'date',
-			'enum'              => array(
-				'date',
-				'gross_revenue',
-				'coupons',
-				'refunds',
-				'shipping',
-				'taxes',
-				'net_revenue',
-				'orders_count',
-				'items_sold',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['interval']  = array(
-			'description'       => __( 'Time interval to use for buckets in the returned data.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'week',
-			'enum'              => array(
-				'hour',
-				'day',
-				'week',
-				'month',
-				'quarter',
-				'year',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['segmentby'] = array(
-			'description'       => __( 'Segment the response by additional constraint.', 'woocommerce' ),
-			'type'              => 'string',
-			'enum'              => array(
-				'product',
-				'category',
-				'variation',
-				'coupon',
-				'customer_type', // new vs returning.
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-
-		return $params;
-	}
-}
diff --git a/src/Controllers/Version4/Reports/Stock.php b/src/Controllers/Version4/Reports/Stock.php
deleted file mode 100644
index ab9b601b5bc..00000000000
--- a/src/Controllers/Version4/Reports/Stock.php
+++ /dev/null
@@ -1,413 +0,0 @@
-<?php
-/**
- * REST API Reports stock controller
- *
- * Handles requests to the /reports/stock endpoint.
- *
- * @package WooCommerce/RestApi
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4\Reports;
-
-defined( 'ABSPATH' ) || exit;
-
-use \WooCommerce\RestApi\Controllers\Version4\Reports as Reports;
-
-/**
- * REST API Stock Reports class.
- */
-class Stock extends Reports {
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'reports/stock';
-
-	/**
-	 * Maps query arguments from the REST request.
-	 *
-	 * @param  \WP_REST_Request $request Request array.
-	 * @return array
-	 */
-	protected function prepare_reports_query( $request ) {
-		$args                        = array();
-		$args['offset']              = $request['offset'];
-		$args['order']               = $request['order'];
-		$args['orderby']             = $request['orderby'];
-		$args['paged']               = $request['page'];
-		$args['post__in']            = $request['include'];
-		$args['post__not_in']        = $request['exclude'];
-		$args['posts_per_page']      = $request['per_page'];
-		$args['post_parent__in']     = $request['parent'];
-		$args['post_parent__not_in'] = $request['parent_exclude'];
-
-		if ( 'date' === $args['orderby'] ) {
-			$args['orderby'] = 'date ID';
-		} elseif ( 'stock_status' === $args['orderby'] ) {
-			$args['meta_query'] = array( // WPCS: slow query ok.
-				'relation'      => 'AND',
-				'_stock_status' => array(
-					'key'     => '_stock_status',
-					'compare' => 'EXISTS',
-				),
-				'_stock'        => array(
-					'key'     => '_stock',
-					'compare' => 'EXISTS',
-					'type'    => 'NUMERIC',
-				),
-			);
-			$args['orderby']    = array(
-				'_stock_status' => $args['order'],
-				'_stock'        => 'desc' === $args['order'] ? 'asc' : 'desc',
-			);
-		} elseif ( 'stock_quantity' === $args['orderby'] ) {
-			$args['meta_key'] = '_stock'; // WPCS: slow query ok.
-			$args['orderby']  = 'meta_value_num';
-		} elseif ( 'include' === $args['orderby'] ) {
-			$args['orderby'] = 'post__in';
-		} elseif ( 'id' === $args['orderby'] ) {
-			$args['orderby'] = 'ID'; // ID must be capitalized.
-		} elseif ( 'sku' === $args['orderby'] ) {
-			$args['meta_key'] = '_sku'; // WPCS: slow query ok.
-			$args['orderby']  = 'meta_value';
-		}
-
-		$args['post_type'] = array( 'product', 'product_variation' );
-
-		if ( 'lowstock' === $request['type'] ) {
-			$low_stock = absint( max( get_option( 'woocommerce_notify_low_stock_amount' ), 1 ) );
-			$no_stock  = absint( max( get_option( 'woocommerce_notify_no_stock_amount' ), 0 ) );
-
-			$args['meta_query'] = array( // WPCS: slow query ok.
-				array(
-					'key'   => '_manage_stock',
-					'value' => 'yes',
-				),
-				array(
-					'key'     => '_stock',
-					'value'   => array( $no_stock, $low_stock ),
-					'compare' => 'BETWEEN',
-					'type'    => 'NUMERIC',
-				),
-				array(
-					'key'   => '_stock_status',
-					'value' => 'instock',
-				),
-			);
-		} elseif ( in_array( $request['type'], array_keys( wc_get_product_stock_status_options() ), true ) ) {
-			$args['meta_query'] = array( // WPCS: slow query ok.
-				array(
-					'key'   => '_stock_status',
-					'value' => $request['type'],
-				),
-			);
-		}
-
-		$query_args['ignore_sticky_posts'] = true;
-
-		return $args;
-	}
-
-	/**
-	 * Query products.
-	 *
-	 * @param  array $query_args Query args.
-	 * @return array
-	 */
-	protected function get_products( $query_args ) {
-		$query  = new \WP_Query();
-		$result = $query->query( $query_args );
-
-		$total_posts = $query->found_posts;
-		if ( $total_posts < 1 ) {
-			// Out-of-bounds, run the query again without LIMIT for total count.
-			unset( $query_args['paged'] );
-			$count_query = new \WP_Query();
-			$count_query->query( $query_args );
-			$total_posts = $count_query->found_posts;
-		}
-
-		return array(
-			'objects' => array_map( 'wc_get_product', $result ),
-			'total'   => (int) $total_posts,
-			'pages'   => (int) ceil( $total_posts / (int) $query->query_vars['posts_per_page'] ),
-		);
-	}
-
-	/**
-	 * Get all reports.
-	 *
-	 * @param  \WP_REST_Request $request Request data.
-	 * @return array|\WP_Error
-	 */
-	public function get_items( $request ) {
-		$query_args    = $this->prepare_reports_query( $request );
-		$query_results = $this->get_products( $query_args );
-
-		$objects = array();
-		foreach ( $query_results['objects'] as $object ) {
-			$data      = $this->prepare_item_for_response( $object, $request );
-			$objects[] = $this->prepare_response_for_collection( $data );
-		}
-
-		$page      = (int) $query_args['paged'];
-		$max_pages = $query_results['pages'];
-
-		$response = rest_ensure_response( $objects );
-		$response->header( 'X-WP-Total', $query_results['total'] );
-		$response->header( 'X-WP-TotalPages', (int) $max_pages );
-
-		$base = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
-
-		if ( $page > 1 ) {
-			$prev_page = $page - 1;
-			if ( $prev_page > $max_pages ) {
-				$prev_page = $max_pages;
-			}
-			$prev_link = add_query_arg( 'page', $prev_page, $base );
-			$response->link_header( 'prev', $prev_link );
-		}
-		if ( $max_pages > $page ) {
-			$next_page = $page + 1;
-			$next_link = add_query_arg( 'page', $next_page, $base );
-			$response->link_header( 'next', $next_link );
-		}
-
-		return $response;
-	}
-
-	/**
-	 * Prepare a report object for serialization.
-	 *
-	 * @param  WC_Product      $product  Report data.
-	 * @param  \WP_REST_Request $request Request object.
-	 * @return \WP_REST_Response
-	 */
-	public function prepare_item_for_response( $product, $request ) {
-		$data = array(
-			'id'             => $product->get_id(),
-			'parent_id'      => $product->get_parent_id(),
-			'name'           => $product->get_name(),
-			'sku'            => $product->get_sku(),
-			'stock_status'   => $product->get_stock_status(),
-			'stock_quantity' => (float) $product->get_stock_quantity(),
-			'manage_stock'   => $product->get_manage_stock(),
-		);
-
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data    = $this->add_additional_fields_to_object( $data, $request );
-		$data    = $this->filter_response_by_context( $data, $context );
-
-		// Wrap the data in a response object.
-		$response = rest_ensure_response( $data );
-		$response->add_links( $this->prepare_links( $product ) );
-
-		/**
-		 * Filter a report returned from the API.
-		 *
-		 * Allows modification of the report data right before it is returned.
-		 *
-		 * @param \WP_REST_Response $response The response object.
-		 * @param WC_Product       $product   The original product object.
-		 * @param \WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_report_stock', $response, $product, $request );
-	}
-
-	/**
-	 * Prepare links for the request.
-	 *
-	 * @param  WC_Product $product Object data.
-	 * @return array
-	 */
-	protected function prepare_links( $product ) {
-		if ( $product->is_type( 'variation' ) ) {
-			$links = array(
-				'product' => array(
-					'href' => rest_url( sprintf( '/%s/products/%d/variations/%d', $this->namespace, $product->get_parent_id(), $product->get_id() ) ),
-				),
-				'parent'  => array(
-					'href' => rest_url( sprintf( '/%s/products/%d', $this->namespace, $product->get_parent_id() ) ),
-				),
-			);
-		} elseif ( $product->get_parent_id() ) {
-			$links = array(
-				'product' => array(
-					'href' => rest_url( sprintf( '/%s/products/%d', $this->namespace, $product->get_id() ) ),
-				),
-				'parent'  => array(
-					'href' => rest_url( sprintf( '/%s/products/%d', $this->namespace, $product->get_parent_id() ) ),
-				),
-			);
-		} else {
-			$links = array(
-				'product' => array(
-					'href' => rest_url( sprintf( '/%s/products/%d', $this->namespace, $product->get_id() ) ),
-				),
-			);
-		}
-
-		return $links;
-	}
-
-	/**
-	 * Get the Report's schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_item_schema() {
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'report_stock',
-			'type'       => 'object',
-			'properties' => array(
-				'id'             => array(
-					'description' => __( 'Unique identifier for the resource.', 'woocommerce' ),
-					'type'        => 'integer',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'parent_id'      => array(
-					'description' => __( 'Product parent ID.', 'woocommerce' ),
-					'type'        => 'integer',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'name'           => array(
-					'description' => __( 'Product name.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'sku'            => array(
-					'description' => __( 'Unique identifier.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'stock_status'   => array(
-					'description' => __( 'Stock status.', 'woocommerce' ),
-					'type'        => 'string',
-					'enum'        => array_keys( wc_get_product_stock_status_options() ),
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'stock_quantity' => array(
-					'description' => __( 'Stock quantity.', 'woocommerce' ),
-					'type'        => 'integer',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'manage_stock'   => array(
-					'description' => __( 'Manage stock.', 'woocommerce' ),
-					'type'        => 'boolean',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-			),
-		);
-
-		return $this->add_additional_fields_schema( $schema );
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params                   = array();
-		$params['context']        = $this->get_context_param( array( 'default' => 'view' ) );
-		$params['page']           = array(
-			'description'       => __( 'Current page of the collection.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 1,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-			'minimum'           => 1,
-		);
-		$params['per_page']       = array(
-			'description'       => __( 'Maximum number of items to be returned in result set.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 10,
-			'minimum'           => 1,
-			'maximum'           => 100,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['exclude']        = array(
-			'description'       => __( 'Ensure result set excludes specific IDs.', 'woocommerce' ),
-			'type'              => 'array',
-			'items'             => array(
-				'type' => 'integer',
-			),
-			'default'           => array(),
-			'sanitize_callback' => 'wp_parse_id_list',
-		);
-		$params['include']        = array(
-			'description'       => __( 'Limit result set to specific ids.', 'woocommerce' ),
-			'type'              => 'array',
-			'items'             => array(
-				'type' => 'integer',
-			),
-			'default'           => array(),
-			'sanitize_callback' => 'wp_parse_id_list',
-		);
-		$params['offset']         = array(
-			'description'       => __( 'Offset the result set by a specific number of items.', 'woocommerce' ),
-			'type'              => 'integer',
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['order']          = array(
-			'description'       => __( 'Order sort attribute ascending or descending.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'asc',
-			'enum'              => array( 'asc', 'desc' ),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['orderby']        = array(
-			'description'       => __( 'Sort collection by object attribute.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'stock_status',
-			'enum'              => array(
-				'stock_status',
-				'stock_quantity',
-				'date',
-				'id',
-				'include',
-				'title',
-				'sku',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['parent']         = array(
-			'description'       => __( 'Limit result set to those of particular parent IDs.', 'woocommerce' ),
-			'type'              => 'array',
-			'items'             => array(
-				'type' => 'integer',
-			),
-			'sanitize_callback' => 'wp_parse_id_list',
-			'default'           => array(),
-		);
-		$params['parent_exclude'] = array(
-			'description'       => __( 'Limit result set to all items except those of a particular parent ID.', 'woocommerce' ),
-			'type'              => 'array',
-			'items'             => array(
-				'type' => 'integer',
-			),
-			'sanitize_callback' => 'wp_parse_id_list',
-			'default'           => array(),
-		);
-		$params['type']           = array(
-			'description' => __( 'Limit result set to items assigned a stock report type.', 'woocommerce' ),
-			'type'        => 'string',
-			'default'     => 'all',
-			'enum'        => array_merge( array( 'all', 'lowstock' ), array_keys( wc_get_product_stock_status_options() ) ),
-		);
-
-		return $params;
-	}
-}
diff --git a/src/Controllers/Version4/Reports/StockStats.php b/src/Controllers/Version4/Reports/StockStats.php
deleted file mode 100644
index 625f3788abf..00000000000
--- a/src/Controllers/Version4/Reports/StockStats.php
+++ /dev/null
@@ -1,132 +0,0 @@
-<?php
-/**
- * REST API Reports stock stats controller
- *
- * Handles requests to the /reports/stock/stats endpoint.
- *
- * @package WooCommerce/RestApi
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4\Reports;
-
-defined( 'ABSPATH' ) || exit;
-
-use \WooCommerce\RestApi\Controllers\Version4\Reports as Reports;
-
-/**
- * REST API StockStats Reports class.
- */
-class StockStats extends Reports {
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'reports/stock/stats';
-
-	/**
-	 * Get Stock Status Totals.
-	 *
-	 * @param  \WP_REST_Request $request Request data.
-	 * @return array|\WP_Error
-	 */
-	public function get_items( $request ) {
-		$stock_query = new \WC_Admin_Reports_Stock_Stats_Query();
-		$report_data = $stock_query->get_data();
-		$out_data    = array(
-			'totals' => $report_data,
-		);
-		return rest_ensure_response( $out_data );
-	}
-
-	/**
-	 * Prepare a report object for serialization.
-	 *
-	 * @param  WC_Product      $report  Report data.
-	 * @param  \WP_REST_Request $request Request object.
-	 * @return \WP_REST_Response
-	 */
-	public function prepare_item_for_response( $report, $request ) {
-		$data = $report;
-
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data    = $this->add_additional_fields_to_object( $data, $request );
-		$data    = $this->filter_response_by_context( $data, $context );
-
-		// Wrap the data in a response object.
-		$response = rest_ensure_response( $data );
-
-		/**
-		 * Filter a report returned from the API.
-		 *
-		 * Allows modification of the report data right before it is returned.
-		 *
-		 * @param \WP_REST_Response $response The response object.
-		 * @param WC_Product       $product   The original bject.
-		 * @param \WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_report_stock_stats', $response, $product, $request );
-	}
-
-	/**
-	 * Get the Report's schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_item_schema() {
-		$totals = array(
-			'products' => array(
-				'description' => __( 'Number of products.', 'woocommerce' ),
-				'type'        => 'integer',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-			),
-			'lowstock' => array(
-				'description' => __( 'Number of low stock products.', 'woocommerce' ),
-				'type'        => 'integer',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-			),
-		);
-
-		$status_options = wc_get_product_stock_status_options();
-		foreach ( $status_options as $status => $label ) {
-			$totals[ $status ] = array(
-				/* translators: Stock status. Example: "Number of low stock products */
-				'description' => sprintf( __( 'Number of %s products.', 'woocommerce' ), $label ),
-				'type'        => 'integer',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-			);
-		}
-
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'report_customers_stats',
-			'type'       => 'object',
-			'properties' => array(
-				'totals' => array(
-					'description' => __( 'Totals data.', 'woocommerce' ),
-					'type'        => 'object',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-					'properties'  => $totals,
-				),
-			),
-		);
-
-		return $this->add_additional_fields_schema( $schema );
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params            = array();
-		$params['context'] = $this->get_context_param( array( 'default' => 'view' ) );
-		return $params;
-	}
-}
diff --git a/src/Controllers/Version4/Reports/TaxStats.php b/src/Controllers/Version4/Reports/TaxStats.php
deleted file mode 100644
index 5fc4c61963d..00000000000
--- a/src/Controllers/Version4/Reports/TaxStats.php
+++ /dev/null
@@ -1,385 +0,0 @@
-<?php
-/**
- * REST API Reports taxes stats controller
- *
- * Handles requests to the /reports/taxes/stats endpoint.
- *
- * @package WooCommerce/RestApi
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4\Reports;
-
-defined( 'ABSPATH' ) || exit;
-
-use \WooCommerce\RestApi\Controllers\Version4\Reports as Reports;
-
-/**
- * REST API TaxesStats Reports class.
- */
-class TaxStats extends Reports {
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'reports/taxes/stats';
-
-	/**
-	 * Constructor.
-	 */
-	public function __construct() {
-		add_filter( 'woocommerce_reports_taxes_stats_select_query', array( $this, 'set_default_report_data' ) );
-	}
-
-	/**
-	 * Set the default results to 0 if API returns an empty array
-	 *
-	 * @param Mixed $results Report data.
-	 * @return object
-	 */
-	public function set_default_report_data( $results ) {
-		if ( empty( $results ) ) {
-			$results                       = new \stdClass();
-			$results->total                = 0;
-			$results->totals               = new \stdClass();
-			$results->totals->tax_codes    = 0;
-			$results->totals->total_tax    = 0;
-			$results->totals->order_tax    = 0;
-			$results->totals->shipping_tax = 0;
-			$results->totals->orders       = 0;
-			$results->intervals            = array();
-			$results->pages                = 1;
-			$results->page_no              = 1;
-		}
-		return $results;
-	}
-
-	/**
-	 * Maps query arguments from the REST request.
-	 *
-	 * @param array $request Request array.
-	 * @return array
-	 */
-	protected function prepare_reports_query( $request ) {
-		$args              = array();
-		$args['before']    = $request['before'];
-		$args['after']     = $request['after'];
-		$args['interval']  = $request['interval'];
-		$args['page']      = $request['page'];
-		$args['per_page']  = $request['per_page'];
-		$args['orderby']   = $request['orderby'];
-		$args['order']     = $request['order'];
-		$args['taxes']     = (array) $request['taxes'];
-		$args['segmentby'] = $request['segmentby'];
-
-		return $args;
-	}
-
-	/**
-	 * Get all reports.
-	 *
-	 * @param \WP_REST_Request $request Request data.
-	 * @return array|\WP_Error
-	 */
-	public function get_items( $request ) {
-		$query_args  = $this->prepare_reports_query( $request );
-		$taxes_query = new \WC_Admin_Reports_Taxes_Stats_Query( $query_args );
-		$report_data = $taxes_query->get_data();
-
-		$out_data = array(
-			'totals'    => get_object_vars( $report_data->totals ),
-			'intervals' => array(),
-		);
-
-		foreach ( $report_data->intervals as $interval_data ) {
-			$item                    = $this->prepare_item_for_response( (object) $interval_data, $request );
-			$out_data['intervals'][] = $this->prepare_response_for_collection( $item );
-		}
-
-		$response = rest_ensure_response( $out_data );
-		$response->header( 'X-WP-Total', (int) $report_data->total );
-		$response->header( 'X-WP-TotalPages', (int) $report_data->pages );
-
-		$page      = $report_data->page_no;
-		$max_pages = $report_data->pages;
-		$base      = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
-		if ( $page > 1 ) {
-			$prev_page = $page - 1;
-			if ( $prev_page > $max_pages ) {
-				$prev_page = $max_pages;
-			}
-			$prev_link = add_query_arg( 'page', $prev_page, $base );
-			$response->link_header( 'prev', $prev_link );
-		}
-		if ( $max_pages > $page ) {
-			$next_page = $page + 1;
-			$next_link = add_query_arg( 'page', $next_page, $base );
-			$response->link_header( 'next', $next_link );
-		}
-
-		return $response;
-	}
-
-	/**
-	 * Prepare a report object for serialization.
-	 *
-	 * @param stdClass        $report  Report data.
-	 * @param \WP_REST_Request $request Request object.
-	 * @return \WP_REST_Response
-	 */
-	public function prepare_item_for_response( $report, $request ) {
-		$data = get_object_vars( $report );
-
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data    = $this->add_additional_fields_to_object( $data, $request );
-		$data    = $this->filter_response_by_context( $data, $context );
-
-		// Wrap the data in a response object.
-		$response = rest_ensure_response( $data );
-
-		/**
-		 * Filter a report returned from the API.
-		 *
-		 * Allows modification of the report data right before it is returned.
-		 *
-		 * @param \WP_REST_Response $response The response object.
-		 * @param object           $report   The original report object.
-		 * @param \WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_report_taxes_stats', $response, $report, $request );
-	}
-
-	/**
-	 * Get the Report's schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_item_schema() {
-		$data_values = array(
-			'total_tax'    => array(
-				'description' => __( 'Total tax.', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'indicator'   => true,
-				'format'      => 'currency',
-			),
-			'order_tax'    => array(
-				'description' => __( 'Order tax.', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'indicator'   => true,
-				'format'      => 'currency',
-			),
-			'shipping_tax' => array(
-				'description' => __( 'Shipping tax.', 'woocommerce' ),
-				'type'        => 'number',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'indicator'   => true,
-				'format'      => 'currency',
-			),
-			'orders_count' => array(
-				'description' => __( 'Amount of orders.', 'woocommerce' ),
-				'type'        => 'integer',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-			),
-			'tax_codes'    => array(
-				'description' => __( 'Amount of tax codes.', 'woocommerce' ),
-				'type'        => 'integer',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-			),
-		);
-
-		$segments = array(
-			'segments' => array(
-				'description' => __( 'Reports data grouped by segment condition.', 'woocommerce' ),
-				'type'        => 'array',
-				'context'     => array( 'view', 'edit' ),
-				'readonly'    => true,
-				'items'       => array(
-					'type'       => 'object',
-					'properties' => array(
-						'segment_id' => array(
-							'description' => __( 'Segment identificator.', 'woocommerce' ),
-							'type'        => 'integer',
-							'context'     => array( 'view', 'edit' ),
-							'readonly'    => true,
-						),
-						'subtotals'  => array(
-							'description' => __( 'Interval subtotals.', 'woocommerce' ),
-							'type'        => 'object',
-							'context'     => array( 'view', 'edit' ),
-							'readonly'    => true,
-							'properties'  => $data_values,
-						),
-					),
-				),
-			),
-		);
-
-		$totals = array_merge( $data_values, $segments );
-
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'report_taxes_stats',
-			'type'       => 'object',
-			'properties' => array(
-				'totals'    => array(
-					'description' => __( 'Totals data.', 'woocommerce' ),
-					'type'        => 'object',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-					'properties'  => $totals,
-				),
-				'intervals' => array(
-					'description' => __( 'Reports data grouped by intervals.', 'woocommerce' ),
-					'type'        => 'array',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-					'items'       => array(
-						'type'       => 'object',
-						'properties' => array(
-							'interval'       => array(
-								'description' => __( 'Type of interval.', 'woocommerce' ),
-								'type'        => 'string',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-								'enum'        => array( 'day', 'week', 'month', 'year' ),
-							),
-							'date_start'     => array(
-								'description' => __( "The date the report start, in the site's timezone.", 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'date_start_gmt' => array(
-								'description' => __( 'The date the report start, as GMT.', 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'date_end'       => array(
-								'description' => __( "The date the report end, in the site's timezone.", 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'date_end_gmt'   => array(
-								'description' => __( 'The date the report end, as GMT.', 'woocommerce' ),
-								'type'        => 'date-time',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-							),
-							'subtotals'      => array(
-								'description' => __( 'Interval subtotals.', 'woocommerce' ),
-								'type'        => 'object',
-								'context'     => array( 'view', 'edit' ),
-								'readonly'    => true,
-								'properties'  => $totals,
-							),
-						),
-					),
-				),
-			),
-		);
-
-		return $this->add_additional_fields_schema( $schema );
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params              = array();
-		$params['context']   = $this->get_context_param( array( 'default' => 'view' ) );
-		$params['page']      = array(
-			'description'       => __( 'Current page of the collection.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 1,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-			'minimum'           => 1,
-		);
-		$params['per_page']  = array(
-			'description'       => __( 'Maximum number of items to be returned in result set.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 10,
-			'minimum'           => 1,
-			'maximum'           => 100,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['after']     = array(
-			'description'       => __( 'Limit response to resources published after a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['before']    = array(
-			'description'       => __( 'Limit response to resources published before a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['order']     = array(
-			'description'       => __( 'Order sort attribute ascending or descending.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'desc',
-			'enum'              => array( 'asc', 'desc' ),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['orderby']   = array(
-			'description'       => __( 'Sort collection by object attribute.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'date',
-			'enum'              => array(
-				'date',
-				'items_sold',
-				'gross_revenue',
-				'orders_count',
-				'products_count',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['interval']  = array(
-			'description'       => __( 'Time interval to use for buckets in the returned data.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'week',
-			'enum'              => array(
-				'hour',
-				'day',
-				'week',
-				'month',
-				'quarter',
-				'year',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['taxes']     = array(
-			'description'       => __( 'Limit result set to all items that have the specified term assigned in the taxes taxonomy.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-		);
-		$params['segmentby'] = array(
-			'description'       => __( 'Segment the response by additional constraint.', 'woocommerce' ),
-			'type'              => 'string',
-			'enum'              => array(
-				'tax_rate_id',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-
-		return $params;
-	}
-}
diff --git a/src/Controllers/Version4/Reports/Taxes.php b/src/Controllers/Version4/Reports/Taxes.php
deleted file mode 100644
index f19b99944d9..00000000000
--- a/src/Controllers/Version4/Reports/Taxes.php
+++ /dev/null
@@ -1,282 +0,0 @@
-<?php
-/**
- * REST API Reports taxes controller
- *
- * Handles requests to the /reports/taxes endpoint.
- *
- * @package WooCommerce/RestApi
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4\Reports;
-
-defined( 'ABSPATH' ) || exit;
-
-use \WooCommerce\RestApi\Controllers\Version4\Reports as Reports;
-
-/**
- * REST API Taxes Reports class.
- */
-class Taxes extends Reports {
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'reports/taxes';
-
-	/**
-	 * Maps query arguments from the REST request.
-	 *
-	 * @param array $request Request array.
-	 * @return array
-	 */
-	protected function prepare_reports_query( $request ) {
-		$args             = array();
-		$args['before']   = $request['before'];
-		$args['after']    = $request['after'];
-		$args['page']     = $request['page'];
-		$args['per_page'] = $request['per_page'];
-		$args['orderby']  = $request['orderby'];
-		$args['order']    = $request['order'];
-		$args['taxes']    = $request['taxes'];
-
-		return $args;
-	}
-
-	/**
-	 * Get all reports.
-	 *
-	 * @param \WP_REST_Request $request Request data.
-	 * @return array|\WP_Error
-	 */
-	public function get_items( $request ) {
-		$query_args  = $this->prepare_reports_query( $request );
-		$taxes_query = new \WC_Admin_Reports_Taxes_Query( $query_args );
-		$report_data = $taxes_query->get_data();
-
-		$data = array();
-
-		foreach ( $report_data->data as $tax_data ) {
-			$item   = $this->prepare_item_for_response( (object) $tax_data, $request );
-			$data[] = $this->prepare_response_for_collection( $item );
-		}
-
-		$response = rest_ensure_response( $data );
-		$response->header( 'X-WP-Total', (int) $report_data->total );
-		$response->header( 'X-WP-TotalPages', (int) $report_data->pages );
-
-		$page      = $report_data->page_no;
-		$max_pages = $report_data->pages;
-		$base      = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
-		if ( $page > 1 ) {
-			$prev_page = $page - 1;
-			if ( $prev_page > $max_pages ) {
-				$prev_page = $max_pages;
-			}
-			$prev_link = add_query_arg( 'page', $prev_page, $base );
-			$response->link_header( 'prev', $prev_link );
-		}
-		if ( $max_pages > $page ) {
-			$next_page = $page + 1;
-			$next_link = add_query_arg( 'page', $next_page, $base );
-			$response->link_header( 'next', $next_link );
-		}
-
-		return $response;
-	}
-
-	/**
-	 * Prepare a report object for serialization.
-	 *
-	 * @param stdClass        $report  Report data.
-	 * @param \WP_REST_Request $request Request object.
-	 * @return \WP_REST_Response
-	 */
-	public function prepare_item_for_response( $report, $request ) {
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$report  = $this->add_additional_fields_to_object( $report, $request );
-		$report  = $this->filter_response_by_context( $report, $context );
-
-		// Wrap the data in a response object.
-		$response = rest_ensure_response( $report );
-		$response->add_links( $this->prepare_links( $report ) );
-
-		/**
-		 * Filter a report returned from the API.
-		 *
-		 * Allows modification of the report data right before it is returned.
-		 *
-		 * @param \WP_REST_Response $response The response object.
-		 * @param object           $report   The original report object.
-		 * @param \WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_report_taxes', $response, $report, $request );
-	}
-
-	/**
-	 * Prepare links for the request.
-	 *
-	 * @param WC_Reports_Query $object Object data.
-	 * @return array
-	 */
-	protected function prepare_links( $object ) {
-		$links = array(
-			'tax' => array(
-				'href' => rest_url( sprintf( '/%s/taxes/%d', $this->namespace, $object->tax_rate_id ) ),
-			),
-		);
-
-		return $links;
-	}
-
-	/**
-	 * Get the Report's schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_item_schema() {
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'report_taxes',
-			'type'       => 'object',
-			'properties' => array(
-				'tax_rate_id'  => array(
-					'description' => __( 'Tax rate ID.', 'woocommerce' ),
-					'type'        => 'integer',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'name'         => array(
-					'description' => __( 'Tax rate name.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'tax_rate'     => array(
-					'description' => __( 'Tax rate.', 'woocommerce' ),
-					'type'        => 'number',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'country'      => array(
-					'description' => __( 'Country.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'state'        => array(
-					'description' => __( 'State.', 'woocommerce' ),
-					'type'        => 'string',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'priority'     => array(
-					'description' => __( 'Priority.', 'woocommerce' ),
-					'type'        => 'integer',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'total_tax'    => array(
-					'description' => __( 'Total tax.', 'woocommerce' ),
-					'type'        => 'number',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'order_tax'    => array(
-					'description' => __( 'Order tax.', 'woocommerce' ),
-					'type'        => 'number',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'shipping_tax' => array(
-					'description' => __( 'Shipping tax.', 'woocommerce' ),
-					'type'        => 'number',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-				'orders_count' => array(
-					'description' => __( 'Amount of orders.', 'woocommerce' ),
-					'type'        => 'integer',
-					'context'     => array( 'view', 'edit' ),
-					'readonly'    => true,
-				),
-			),
-		);
-
-		return $this->add_additional_fields_schema( $schema );
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params             = array();
-		$params['context']  = $this->get_context_param( array( 'default' => 'view' ) );
-		$params['page']     = array(
-			'description'       => __( 'Current page of the collection.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 1,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-			'minimum'           => 1,
-		);
-		$params['per_page'] = array(
-			'description'       => __( 'Maximum number of items to be returned in result set.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 10,
-			'minimum'           => 1,
-			'maximum'           => 100,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['after']    = array(
-			'description'       => __( 'Limit response to resources published after a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['before']   = array(
-			'description'       => __( 'Limit response to resources published before a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['order']    = array(
-			'description'       => __( 'Order sort attribute ascending or descending.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'desc',
-			'enum'              => array( 'asc', 'desc' ),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['orderby']  = array(
-			'description'       => __( 'Sort collection by object attribute.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'tax_rate_id',
-			'enum'              => array(
-				'name',
-				'tax_rate_id',
-				'tax_code',
-				'rate',
-				'order_tax',
-				'total_tax',
-				'shipping_tax',
-				'orders_count',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['taxes']    = array(
-			'description'       => __( 'Limit result set to items assigned one or more tax rates.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'string',
-			),
-		);
-
-		return $params;
-	}
-}
diff --git a/src/Controllers/Version4/Reports/Variations.php b/src/Controllers/Version4/Reports/Variations.php
deleted file mode 100644
index 63a1f6c86ad..00000000000
--- a/src/Controllers/Version4/Reports/Variations.php
+++ /dev/null
@@ -1,322 +0,0 @@
-<?php
-/**
- * REST API Reports products controller
- *
- * Handles requests to the /reports/products endpoint.
- *
- * @package WooCommerce/RestApi
- */
-
-namespace WooCommerce\RestApi\Controllers\Version4\Reports;
-
-defined( 'ABSPATH' ) || exit;
-
-use \WooCommerce\RestApi\Controllers\Version4\Reports as Reports;
-
-/**
- * REST API Variations Reports class.
- */
-class Variations extends Reports {
-
-	/**
-	 * Route base.
-	 *
-	 * @var string
-	 */
-	protected $rest_base = 'reports/variations';
-
-	/**
-	 * Mapping between external parameter name and name used in query class.
-	 *
-	 * @var array
-	 */
-	protected $param_mapping = array(
-		'products' => 'product_includes',
-	);
-
-	/**
-	 * Get items.
-	 *
-	 * @param \WP_REST_Request $request Request data.
-	 *
-	 * @return array|\WP_Error
-	 */
-	public function get_items( $request ) {
-		$args       = array();
-		$registered = array_keys( $this->get_collection_params() );
-		foreach ( $registered as $param_name ) {
-			if ( isset( $request[ $param_name ] ) ) {
-				if ( isset( $this->param_mapping[ $param_name ] ) ) {
-					$args[ $this->param_mapping[ $param_name ] ] = $request[ $param_name ];
-				} else {
-					$args[ $param_name ] = $request[ $param_name ];
-				}
-			}
-		}
-
-		$reports       = new \WC_Admin_Reports_Variations_Query( $args );
-		$products_data = $reports->get_data();
-
-		$data = array();
-
-		foreach ( $products_data->data as $product_data ) {
-			$item   = $this->prepare_item_for_response( $product_data, $request );
-			$data[] = $this->prepare_response_for_collection( $item );
-		}
-
-		$response = rest_ensure_response( $data );
-		$response->header( 'X-WP-Total', (int) $products_data->total );
-		$response->header( 'X-WP-TotalPages', (int) $products_data->pages );
-
-		$page      = $products_data->page_no;
-		$max_pages = $products_data->pages;
-		$base      = add_query_arg( $request->get_query_params(), rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
-		if ( $page > 1 ) {
-			$prev_page = $page - 1;
-			if ( $prev_page > $max_pages ) {
-				$prev_page = $max_pages;
-			}
-			$prev_link = add_query_arg( 'page', $prev_page, $base );
-			$response->link_header( 'prev', $prev_link );
-		}
-		if ( $max_pages > $page ) {
-			$next_page = $page + 1;
-			$next_link = add_query_arg( 'page', $next_page, $base );
-			$response->link_header( 'next', $next_link );
-		}
-
-		return $response;
-	}
-
-	/**
-	 * Prepare a report object for serialization.
-	 *
-	 * @param array           $report  Report data.
-	 * @param \WP_REST_Request $request Request object.
-	 * @return \WP_REST_Response
-	 */
-	public function prepare_item_for_response( $report, $request ) {
-		$data = $report;
-
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data    = $this->add_additional_fields_to_object( $data, $request );
-		$data    = $this->filter_response_by_context( $data, $context );
-
-		// Wrap the data in a response object.
-		$response = rest_ensure_response( $data );
-		$response->add_links( $this->prepare_links( $report ) );
-
-		/**
-		 * Filter a report returned from the API.
-		 *
-		 * Allows modification of the report data right before it is returned.
-		 *
-		 * @param \WP_REST_Response $response The response object.
-		 * @param object           $report   The original report object.
-		 * @param \WP_REST_Request  $request  Request used to generate the response.
-		 */
-		return apply_filters( 'woocommerce_rest_prepare_report_variations', $response, $report, $request );
-	}
-
-	/**
-	 * Prepare links for the request.
-	 *
-	 * @param array $object Object data.
-	 * @return array        Links for the given post.
-	 */
-	protected function prepare_links( $object ) {
-		$links = array(
-			'product'   => array(
-				'href' => rest_url( sprintf( '/%s/%s/%d', $this->namespace, 'products', $object['product_id'] ) ),
-			),
-			'variation' => array(
-				'href' => rest_url( sprintf( '/%s/%s/%d/%s/%d', $this->namespace, 'products', $object['product_id'], 'variation', $object['variation_id'] ) ),
-			),
-		);
-
-		return $links;
-	}
-
-	/**
-	 * Get the Report's schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_item_schema() {
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'report_varitations',
-			'type'       => 'object',
-			'properties' => array(
-				'product_id'    => array(
-					'type'        => 'integer',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit' ),
-					'description' => __( 'Product ID.', 'woocommerce' ),
-				),
-				'variation_id'  => array(
-					'type'        => 'integer',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit' ),
-					'description' => __( 'Product ID.', 'woocommerce' ),
-				),
-				'items_sold'    => array(
-					'type'        => 'integer',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit' ),
-					'description' => __( 'Number of items sold.', 'woocommerce' ),
-				),
-				'net_revenue'   => array(
-					'type'        => 'number',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit' ),
-					'description' => __( 'Total net revenue of all items sold.', 'woocommerce' ),
-				),
-				'orders_count'  => array(
-					'type'        => 'integer',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit' ),
-					'description' => __( 'Number of orders product appeared in.', 'woocommerce' ),
-				),
-				'extended_info' => array(
-					'name'             => array(
-						'type'        => 'string',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Product name.', 'woocommerce' ),
-					),
-					'price'            => array(
-						'type'        => 'number',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Product price.', 'woocommerce' ),
-					),
-					'image'            => array(
-						'type'        => 'string',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Product image.', 'woocommerce' ),
-					),
-					'permalink'        => array(
-						'type'        => 'string',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Product link.', 'woocommerce' ),
-					),
-					'attributes'       => array(
-						'type'        => 'array',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Product attributes.', 'woocommerce' ),
-					),
-					'stock_status'     => array(
-						'type'        => 'string',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Product inventory status.', 'woocommerce' ),
-					),
-					'stock_quantity'   => array(
-						'type'        => 'integer',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Product inventory quantity.', 'woocommerce' ),
-					),
-					'low_stock_amount' => array(
-						'type'        => 'integer',
-						'readonly'    => true,
-						'context'     => array( 'view', 'edit' ),
-						'description' => __( 'Product inventory threshold for low stock.', 'woocommerce' ),
-					),
-				),
-			),
-		);
-
-		return $this->add_additional_fields_schema( $schema );
-	}
-
-	/**
-	 * Get the query params for collections.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params                  = array();
-		$params['context']       = $this->get_context_param( array( 'default' => 'view' ) );
-		$params['page']          = array(
-			'description'       => __( 'Current page of the collection.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 1,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-			'minimum'           => 1,
-		);
-		$params['per_page']      = array(
-			'description'       => __( 'Maximum number of items to be returned in result set.', 'woocommerce' ),
-			'type'              => 'integer',
-			'default'           => 10,
-			'minimum'           => 1,
-			'maximum'           => 100,
-			'sanitize_callback' => 'absint',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['after']         = array(
-			'description'       => __( 'Limit response to resources published after a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['before']        = array(
-			'description'       => __( 'Limit response to resources published before a given ISO8601 compliant date.', 'woocommerce' ),
-			'type'              => 'string',
-			'format'            => 'date-time',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['order']         = array(
-			'description'       => __( 'Order sort attribute ascending or descending.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'desc',
-			'enum'              => array( 'asc', 'desc' ),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['orderby']       = array(
-			'description'       => __( 'Sort collection by object attribute.', 'woocommerce' ),
-			'type'              => 'string',
-			'default'           => 'date',
-			'enum'              => array(
-				'date',
-				'net_revenue',
-				'orders_count',
-				'items_sold',
-				'sku',
-			),
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-		$params['products']      = array(
-			'description'       => __( 'Limit result to items with specified product ids.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-		);
-		$params['variations']    = array(
-			'description'       => __( 'Limit result to items with specified variation ids.', 'woocommerce' ),
-			'type'              => 'array',
-			'sanitize_callback' => 'wp_parse_id_list',
-			'validate_callback' => 'rest_validate_request_arg',
-			'items'             => array(
-				'type' => 'integer',
-			),
-		);
-		$params['extended_info'] = array(
-			'description'       => __( 'Add additional piece of info about each product to the report.', 'woocommerce' ),
-			'type'              => 'boolean',
-			'default'           => false,
-			'sanitize_callback' => 'wc_string_to_bool',
-			'validate_callback' => 'rest_validate_request_arg',
-		);
-
-		return $params;
-	}
-}
diff --git a/src/Controllers/Version4/_changelog.md b/src/Controllers/Version4/_changelog.md
index e510d46c08c..c66a8effa6e 100644
--- a/src/Controllers/Version4/_changelog.md
+++ b/src/Controllers/Version4/_changelog.md
@@ -16,27 +16,7 @@
 
 ## New endpoints
 
-- `reports/products`
-- `reports/products/stats`
-- `reports/categories`
-- `reports/orders`
-- `reports/orders/stats`
-- `reports/performance-indicators`
-- `reports/revenue/stats`
-- `reports/stock`
-- `reports/stock/stats`
-- `reports/taxes`
-- `reports/taxes/stats`
-- `reports/variations`
-- `reports/coupons`
-- `reports/coupons/stats`
-- `reports/customer`
-- `reports/customers/stats`
-- `reports/downloads`
-- `reports/downloads/stats`
-- `reports/import`
 - `data/download-ips`
-- `leaderboards`
 
 ## Removed endpoints
 
diff --git a/src/Server.php b/src/Server.php
index 11a58b05630..307d7a6dd19 100644
--- a/src/Server.php
+++ b/src/Server.php
@@ -202,7 +202,6 @@ class Server {
 			'data-countries'           => $namespace . 'Data\Countries',
 			'data-currencies'          => $namespace . 'Data\Currencies',
 			'data-download-ips'        => $namespace . 'Data\DownloadIPs',
-			'leaderboards'             => $namespace . 'Leaderboards',
 			'network-orders'           => $namespace . 'NetworkOrders',
 			'order-notes'              => $namespace . 'OrderNotes',
 			'order-refunds'            => $namespace . 'OrderRefunds',
@@ -216,7 +215,6 @@ class Server {
 			'product-shipping-classes' => $namespace . 'ProductShippingClasses',
 			'product-tags'             => $namespace . 'ProductTags',
 			'product-variations'       => $namespace . 'ProductVariations',
-			'reports'                  => $namespace . 'Reports',
 			'settings'                 => $namespace . 'Settings',
 			'settings-options'         => $namespace . 'SettingsOptions',
 			'shipping-methods'         => $namespace . 'ShippingMethods',
@@ -230,32 +228,6 @@ class Server {
 			'webhooks'                 => $namespace . 'Webhooks',
 		];
 
-		if ( class_exists( '\WC_Admin_Note' ) ) {
-			$controllers['admin-notes'] = $namespace . 'AdminNotes';
-		}
-
-		if ( class_exists( '\WC_Admin_Reports_Sync' ) ) {
-			$controllers['reports-categories']             = $namespace . 'Reports\Categories';
-			$controllers['reports-coupons']                = $namespace . 'Reports\Coupons';
-			$controllers['reports-coupon-stats']           = $namespace . 'Reports\CouponStats';
-			$controllers['reports-customers']              = $namespace . 'Reports\Customers';
-			$controllers['reports-customer-stats']         = $namespace . 'Reports\CustomerStats';
-			$controllers['reports-downloads']              = $namespace . 'Reports\Downloads';
-			$controllers['reports-download-stats']         = $namespace . 'Reports\DownloadStats';
-			$controllers['reports-import']                 = $namespace . 'Reports\Import';
-			$controllers['reports-orders']                 = $namespace . 'Reports\Orders';
-			$controllers['reports-order-stats']            = $namespace . 'Reports\OrderStats';
-			$controllers['reports-performance-indicators'] = $namespace . 'Reports\PerformanceIndicators';
-			$controllers['reports-products']               = $namespace . 'Reports\Products';
-			$controllers['reports-product-stats']          = $namespace . 'Reports\ProductStats';
-			$controllers['reports-revenue-stats']          = $namespace . 'Reports\RevenueStats';
-			$controllers['reports-stock']                  = $namespace . 'Reports\Stock';
-			$controllers['reports-stock-stats']            = $namespace . 'Reports\StockStats';
-			$controllers['reports-taxes']                  = $namespace . 'Reports\Taxes';
-			$controllers['reports-tax-stats']              = $namespace . 'Reports\TaxStats';
-			$controllers['reports-variations']             = $namespace . 'Reports\Variations';
-		}
-
 		return $controllers;
 	}
 }