diff --git a/src/Controllers/Version4/Schema/AbstractRequest.php b/src/Controllers/Version4/Schema/AbstractRequest.php
index fbd4a200384..e7b64799477 100644
--- a/src/Controllers/Version4/Schema/AbstractRequest.php
+++ b/src/Controllers/Version4/Schema/AbstractRequest.php
@@ -46,4 +46,19 @@ abstract class AbstractRequest {
 	 * @throws \WC_REST_Exception Will throw an exception if the resulting product object is invalid.
 	 */
 	abstract public function prepare_object();
+
+	/**
+	 * Set meta data.
+	 *
+	 * @param mixed $object Product object reference.
+	 */
+	protected function set_meta_data( &$object ) {
+		$meta_data = $this->get_param( 'meta_data', null );
+
+		if ( ! is_null( $meta_data ) ) {
+			foreach ( $meta_data as $meta ) {
+				$object->update_meta_data( $meta['key'], $meta['value'], isset( $meta['id'] ) ? $meta['id'] : '' );
+			}
+		}
+	}
 }
diff --git a/src/Controllers/Version4/Schema/ProductRequest.php b/src/Controllers/Version4/Schema/ProductRequest.php
index 8bc30c3aa18..b4f01d34922 100644
--- a/src/Controllers/Version4/Schema/ProductRequest.php
+++ b/src/Controllers/Version4/Schema/ProductRequest.php
@@ -236,21 +236,6 @@ class ProductRequest extends AbstractRequest {
 		}
 	}
 
-	/**
-	 * Set meta data.
-	 *
-	 * @param \WC_Product_Simple|\WC_Product_Grouped|\WC_Product_Variable|\WC_Product_External $object Product object reference.
-	 */
-	protected function set_meta_data( &$object ) {
-		$meta_data = $this->get_param( 'meta_data', null );
-
-		if ( ! is_null( $meta_data ) ) {
-			foreach ( $meta_data as $meta ) {
-				$object->update_meta_data( $meta['key'], $meta['value'], isset( $meta['id'] ) ? $meta['id'] : '' );
-			}
-		}
-	}
-
 	/**
 	 * Set product object's attributes.
 	 *