diff --git a/src/wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php b/src/wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php
index bfb1b098eec4d..8ec983de65b52 100644
--- a/src/wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php
+++ b/src/wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php
@@ -33,6 +33,7 @@ public function __construct() {
 	 *
 	 * @see register_rest_route()
 	 */
+	#[\Override]
 	public function register_routes() {
 
 		register_rest_route(
@@ -80,6 +81,7 @@ public function register_routes() {
 	 * @param WP_REST_Request $request Full details about the request.
 	 * @return true|WP_Error True if the request has read access, WP_Error object otherwise.
 	 */
+	#[\Override]
 	public function get_items_permissions_check( $request ) {
 		if ( 'edit' === $request['context'] ) {
 			$types = get_post_types( array( 'show_in_rest' => true ), 'objects' );
@@ -108,6 +110,7 @@ public function get_items_permissions_check( $request ) {
 	 * @param WP_REST_Request $request Full details about the request.
 	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
 	 */
+	#[\Override]
 	public function get_items( $request ) {
 		$data  = array();
 		$types = get_post_types( array( 'show_in_rest' => true ), 'objects' );
@@ -132,6 +135,7 @@ public function get_items( $request ) {
 	 * @param WP_REST_Request $request Full details about the request.
 	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
 	 */
+	#[\Override]
 	public function get_item( $request ) {
 		$obj = get_post_type_object( $request['type'] );
 
@@ -174,6 +178,7 @@ public function get_item( $request ) {
 	 * @param WP_REST_Request $request Full details about the request.
 	 * @return WP_REST_Response Response object.
 	 */
+	#[\Override]
 	public function prepare_item_for_response( $item, $request ) {
 		// Restores the more descriptive, specific name for use within this method.
 		$post_type  = $item;
@@ -299,6 +304,7 @@ protected function prepare_links( $post_type ) {
 	 *
 	 * @return array Item schema data.
 	 */
+	#[\Override]
 	public function get_item_schema() {
 		if ( $this->schema ) {
 			return $this->add_additional_fields_schema( $this->schema );
@@ -421,6 +427,7 @@ public function get_item_schema() {
 	 *
 	 * @return array Collection parameters.
 	 */
+	#[\Override]
 	public function get_collection_params() {
 		return array(
 			'context' => $this->get_context_param( array( 'default' => 'view' ) ),