diff --git a/includes/class-wc-cart-item.php b/includes/class-wc-cart-item.php
deleted file mode 100644
index 694a87cd652..00000000000
--- a/includes/class-wc-cart-item.php
+++ /dev/null
@@ -1,218 +0,0 @@
-<?php
-if ( ! defined( 'ABSPATH' ) ) {
-	exit;
-}
-
-/**
- * WC_Cart_Item
- *
- * Class object which represents an item in the cart.
- *
- * @version  3.2.0
- * @package  WooCommerce/Classes
- * @category Class
- * @author   Automattic
- */
-class WC_Cart_Item implements ArrayAccess {
-
-	/**
-	 * Cart Data array.
-	 *
-	 * @var array
-	 */
-	protected $data = array(
-		'product_id' => 0,
-		'quantity'   => 0,
-		'variation'  => array(),
-	);
-
-	/**
-	 * Product this item represents.
-	 *
-	 * @var WC_Product
-	 */
-	protected $product = null;
-
-	/**
-	 * Constructor.
-	 *
-	 * @param array $data
-	 */
-	public function __construct( $data = array() ) {
-		$this->set_data( $data );
-	}
-
-	/**
-	 * Gets price of the product.
-	 * @return float
-	 */
-	public function get_price() {
-		return $this->get_product() ? $this->get_product()->get_price() : 0;
-	}
-
-	/**
-	 * Gets weight of the product.
-	 * @return float
-	 */
-	public function get_weight() {
-		return $this->get_product() ? $this->get_product()->get_weight() : 0;
-	}
-
-	/**
-	 * Gets tax class of the product.
-	 * @return float
-	 */
-	public function get_tax_class() {
-		return $this->get_product() ? $this->get_product()->get_tax_class() : '';
-	}
-
-	/**
-	 * Set product.
-	 * @param int $value
-	 */
-	public function set_product( $value ) {
-		$this->product = $value;
-		$this->data['product_id'] = is_callable( array( $this->product, 'get_variation_id' ) ) ? $this->product->get_variation_id() : $this->product->get_id();
-	}
-
-	/**
-	 * Get product object.
-	 *
-	 * @return WC_Product
-	 */
-	public function get_product() {
-		return ! is_null( $this->product ) ? $this->product : ( $this->product = wc_get_product( $this->get_product_id() ) );
-	}
-
-	/**
-	 * Get all item data.
-	 * @return array
-	 */
-	public function get_data() {
-		return $this->data;
-	}
-
-	/**
-	 * Product or variation ID this item represents.
-	 * @return int
-	 */
-	public function get_product_id() {
-		return $this->data['product_id'];
-	}
-
-	/**
-	 * Get quantity in cart.
-	 * @return int
-	 */
-	public function get_quantity() {
-		return $this->data['quantity'];
-	}
-
-	/**
-	 * Get variation data.
-	 * @return array
-	 */
-	public function get_variation() {
-		return $this->data['variation'];
-	}
-
-	/**
-	 * Set product ID.
-	 * @param int $value
-	 */
-	public function set_product_id( $value ) {
-		$this->data['product_id'] = absint( $value );
-		$this->product = null;
-	}
-
-	/**
-	 * Set Quantity.
-	 * @param int $value
-	 */
-	public function set_quantity( $value ) {
-		$this->data['quantity'] = wc_stock_amount( $value );
-	}
-
-	/**
-	 * Set variation data.
-	 * @param array $value
-	 */
-	public function set_variation( $value ) {
-		$this->data['variation'] = (array) $value;
-	}
-
-	/**
-	 * Set all data.
-	 * @param array $value
-	 */
-	public function set_data( $values ) {
-		if ( is_a( $values, 'WC_Cart_Item' ) ) {
-			$values = $values->get_data();
-		}
-		foreach ( $values as $key => $value ) {
-			if ( in_array( $key, array( 'quantity', 'product_id', 'variation', 'product' ) ) ) {
-				$this->{ "set_$key" }( $value );
-			} else {
-				$this->data[ $key ] = $value;
-			}
-		}
-	}
-
-	/**
-	 * ArrayAccess/Backwards compatibility.
-	 *
-	 * @param string $offset
-	 * @return mixed
-	 */
-	public function offsetGet( $offset ) {
-		switch ( $offset ) {
-			case 'data' :
-				return $this->get_product();
-			case 'variation_id' :
-				return is_callable( array( $this, 'get_variation_id' ) ) ? $this->get_product()->get_variation_id() : 0;
-		}
-		return isset( $this->data[ $offset ] ) ? $this->data[ $offset ] : '';
-	}
-
-	/**
-	 * ArrayAccess/Backwards compatibility.
-	 *
-	 * @param string $offset
-	 * @param mixed $value
-	 */
-	public function offsetSet( $offset, $value ) {
-		switch ( $offset ) {
-			case 'data' :
-				$this->set_product( $value );
-				break;
-			case 'variation_id' :
-				$this->set_product( wc_get_product( $value ) );
-				break;
-			default :
-				$this->data[ $offset ] = $value;
-				break;
-		}
-	}
-
-	/**
-	 * ArrayAccess/Backwards compatibility.
-	 *
-	 * @param string $offset
-	 * @return bool
-	 */
-	public function offsetExists( $offset ) {
-		if ( in_array( $offset, array( 'data' ) ) || isset( $this->data[ $offset ] ) ) {
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * ArrayAccess/Backwards compatibility.
-	 *
-	 * @param string $offset
-	 */
-	public function offsetUnset( $offset ) {
-		unset( $this->data[ $offset ] );
-	}
-}