diff --git a/lib/compat/wordpress-6.0/class-wp-rest-block-patterns-controller.php b/lib/compat/wordpress-6.0/class-wp-rest-block-patterns-controller.php
deleted file mode 100644
index a271c0f63c9f17..00000000000000
--- a/lib/compat/wordpress-6.0/class-wp-rest-block-patterns-controller.php
+++ /dev/null
@@ -1,219 +0,0 @@
-<?php
-/**
- * REST API: WP_REST_Block_Patterns_Controller class
- *
- * @package    WordPress
- * @subpackage REST_API
- * @since      6.0.0
- */
-
-/**
- * Core class used to access block patterns via the REST API.
- *
- * @see   WP_REST_Controller
- *
- * @since 6.0.0
- */
-class WP_REST_Block_Patterns_Controller extends WP_REST_Controller {
-
-	/**
-	 * Defines whether remote patterns should be loaded.
-	 *
-	 * @since 6.0.0
-	 * @var bool
-	 */
-	private $remote_patterns_loaded;
-
-	/**
-	 * Constructor.
-	 */
-	public function __construct() {
-		$this->namespace = 'wp/v2';
-		$this->rest_base = 'block-patterns/patterns';
-	}
-
-	/**
-	 * Registers the routes for the objects of the controller.
-	 *
-	 * @see   register_rest_route()
-	 *
-	 * @since 6.0.0
-	 */
-	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' ),
-				),
-				'schema' => array( $this, 'get_public_item_schema' ),
-			)
-		);
-	}
-
-	/**
-	 * Checks whether a given request has permission to read block patterns.
-	 *
-	 * @since 6.0.0
-	 *
-	 * @param WP_REST_Request $request Full details about the request.
-	 *
-	 * @return WP_Error|bool True if the request has read access, WP_Error object otherwise.
-	 */
-	public function get_items_permissions_check( $request ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
-		if ( current_user_can( 'edit_posts' ) ) {
-			return true;
-		}
-
-		foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) {
-			if ( current_user_can( $post_type->cap->edit_posts ) ) {
-				return true;
-			}
-		}
-
-		return new WP_Error(
-			'rest_cannot_view',
-			__( 'Sorry, you are not allowed to view the registered block patterns.', 'gutenberg' ),
-			array( 'status' => rest_authorization_required_code() )
-		);
-	}
-
-	/**
-	 * Retrieves all block patterns.
-	 *
-	 * @since 6.0.0
-	 *
-	 * @param WP_REST_Request $request Full details about the request.
-	 *
-	 * @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure.
-	 */
-	public function get_items( $request ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
-		if ( ! $this->remote_patterns_loaded ) {
-			// Load block patterns from w.org.
-			_load_remote_block_patterns(); // Patterns with the `core` keyword.
-			_load_remote_featured_patterns(); // Patterns in the `featured` category.
-			gutenberg_register_remote_theme_patterns(); // Patterns requested by current theme.
-
-			$this->remote_patterns_loaded = true;
-		}
-
-		$response = array();
-		$patterns = WP_Block_Patterns_Registry::get_instance()->get_all_registered();
-		foreach ( $patterns as $pattern ) {
-			$prepared_pattern = $this->prepare_item_for_response( $pattern, $request );
-			$response[]       = $this->prepare_response_for_collection( $prepared_pattern );
-		}
-		return rest_ensure_response( $response );
-	}
-
-	/**
-	 * Prepare a raw block pattern before it gets output in a REST API response.
-	 *
-	 * @since 6.0.0
-	 *
-	 * @param object          $item    Raw pattern as registered, before any changes.
-	 * @param WP_REST_Request $request Request object.
-	 * @return WP_REST_Response
-	 */
-	public function prepare_item_for_response( $item, $request ) {
-		$fields = $this->get_fields_for_response( $request );
-		$keys   = array(
-			'name'          => 'name',
-			'title'         => 'title',
-			'description'   => 'description',
-			'viewportWidth' => 'viewport_width',
-			'blockTypes'    => 'block_types',
-			'categories'    => 'categories',
-			'keywords'      => 'keywords',
-			'content'       => 'content',
-			'inserter'      => 'inserter',
-		);
-		$data   = array();
-		foreach ( $keys as $item_key => $rest_key ) {
-			if ( isset( $item[ $item_key ] ) && rest_is_field_included( $rest_key, $fields ) ) {
-				$data[ $rest_key ] = $item[ $item_key ];
-			}
-		}
-
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data    = $this->add_additional_fields_to_object( $data, $request );
-		$data    = $this->filter_response_by_context( $data, $context );
-		return rest_ensure_response( $data );
-	}
-
-	/**
-	 * Retrieves the block pattern schema, conforming to JSON Schema.
-	 *
-	 * @since 6.0.0
-	 *
-	 * @return array Item schema data.
-	 */
-	public function get_item_schema() {
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'block-pattern',
-			'type'       => 'object',
-			'properties' => array(
-				'name'           => array(
-					'description' => __( 'The pattern name.', 'gutenberg' ),
-					'type'        => 'string',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit', 'embed' ),
-				),
-				'title'          => array(
-					'description' => __( 'The pattern title, in human readable format.', 'gutenberg' ),
-					'type'        => 'string',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit', 'embed' ),
-				),
-				'description'    => array(
-					'description' => __( 'The pattern detailed description.', 'gutenberg' ),
-					'type'        => 'string',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit', 'embed' ),
-				),
-				'viewport_width' => array(
-					'description' => __( 'The pattern viewport width for inserter preview.', 'gutenberg' ),
-					'type'        => 'number',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit', 'embed' ),
-				),
-				'block_types'    => array(
-					'description' => __( 'Block types that the pattern is intended to be used with.', 'gutenberg' ),
-					'type'        => 'array',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit', 'embed' ),
-				),
-				'categories'     => array(
-					'description' => __( 'The pattern category slugs.', 'gutenberg' ),
-					'type'        => 'array',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit', 'embed' ),
-				),
-				'keywords'       => array(
-					'description' => __( 'The pattern keywords.', 'gutenberg' ),
-					'type'        => 'array',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit', 'embed' ),
-				),
-				'content'        => array(
-					'description' => __( 'The pattern content.', 'gutenberg' ),
-					'type'        => 'string',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit', 'embed' ),
-				),
-				'inserter'       => array(
-					'description' => __( 'Determines whether the pattern is visible in inserter.', 'gutenberg' ),
-					'type'        => 'boolean',
-					'readonly'    => true,
-					'context'     => array( 'view', 'edit', 'embed' ),
-				),
-			),
-		);
-
-		return $this->add_additional_fields_schema( $schema );
-	}
-}
diff --git a/lib/compat/wordpress-6.0/rest-api.php b/lib/compat/wordpress-6.0/rest-api.php
index 13e64dcf0ff132..287ddef4f06fe7 100644
--- a/lib/compat/wordpress-6.0/rest-api.php
+++ b/lib/compat/wordpress-6.0/rest-api.php
@@ -35,15 +35,6 @@ function gutenberg_register_edit_site_export_endpoint() {
 }
 add_action( 'rest_api_init', 'gutenberg_register_edit_site_export_endpoint' );
 
-/**
- * Registers the block patterns REST API routes.
- */
-function gutenberg_register_rest_block_patterns() {
-	$block_patterns = new WP_REST_Block_Patterns_Controller();
-	$block_patterns->register_routes();
-}
-add_action( 'rest_api_init', 'gutenberg_register_rest_block_patterns' );
-
 /**
  * Registers the block pattern categories REST API routes.
  */
diff --git a/lib/load.php b/lib/load.php
index ac1b233f960c1b..5504e8bd3fc3d0 100644
--- a/lib/load.php
+++ b/lib/load.php
@@ -55,9 +55,6 @@ function gutenberg_is_experiment_enabled( $name ) {
 	require_once __DIR__ . '/compat/wordpress-6.0/class-gutenberg-rest-global-styles-controller.php';
 	require_once __DIR__ . '/compat/wordpress-6.0/class-gutenberg-rest-pattern-directory-controller.php';
 	require_once __DIR__ . '/compat/wordpress-6.0/class-gutenberg-rest-edit-site-export-controller.php';
-	if ( ! class_exists( 'WP_REST_Block_Patterns_Controller' ) ) {
-		require_once __DIR__ . '/compat/wordpress-6.0/class-wp-rest-block-patterns-controller.php';
-	}
 	if ( ! class_exists( 'WP_REST_Block_Pattern_Categories_Controller' ) ) {
 		require_once __DIR__ . '/compat/wordpress-6.0/class-wp-rest-block-pattern-categories-controller.php';
 	}
diff --git a/phpunit/class-wp-rest-block-patterns-controller-test.php b/phpunit/class-gutenberg-rest-block-patterns-controller-test.php
similarity index 92%
rename from phpunit/class-wp-rest-block-patterns-controller-test.php
rename to phpunit/class-gutenberg-rest-block-patterns-controller-test.php
index 43c91647aa6735..d060b2bc2bfbe1 100644
--- a/phpunit/class-wp-rest-block-patterns-controller-test.php
+++ b/phpunit/class-gutenberg-rest-block-patterns-controller-test.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * Unit tests covering WP_REST_Block_Patterns_Controller functionality.
+ * Unit tests covering Gutenberg_REST_Block_Patterns_Controller functionality.
  *
  * @package WordPress
  * @subpackage REST_API
@@ -10,9 +10,9 @@
  * Unit tests for REST API for Block Patterns.
  *
  * @group restapi
- * @covers WP_REST_Block_Patterns_Controller
+ * @covers Gutenberg_REST_Block_Patterns_Controller
  */
-class WP_REST_Block_Patterns_Controller_Test extends WP_Test_REST_Controller_Testcase {
+class Gutenberg_REST_Block_Patterns_Controller_Test extends WP_Test_REST_Controller_Testcase {
 	protected static $admin_id;
 	protected static $orig_registry;