diff --git a/wp-includes/rest-api.php b/wp-includes/rest-api.php
index 13bfa596ec..0eee75c772 100644
--- a/wp-includes/rest-api.php
+++ b/wp-includes/rest-api.php
@@ -421,10 +421,8 @@ function rest_handle_options_request( $response, $handler, $request ) {
 	$response = new WP_REST_Response();
 	$data = array();
 
-	$accept = array();
-
 	foreach ( $handler->get_routes() as $route => $endpoints ) {
-		$match = preg_match( '@^' . $route . '$@i', $request->get_route(), $args );
+		$match = preg_match( '@^' . $route . '$@i', $request->get_route() );
 
 		if ( ! $match ) {
 			continue;
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 30f721231a..6389faa296 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-alpha-38309';
+$wp_version = '4.7-alpha-38310';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.