diff --git a/wp-includes/rest-api/class-wp-rest-server.php b/wp-includes/rest-api/class-wp-rest-server.php
index b094634985..37c697e43f 100644
--- a/wp-includes/rest-api/class-wp-rest-server.php
+++ b/wp-includes/rest-api/class-wp-rest-server.php
@@ -789,6 +789,8 @@ class WP_REST_Server {
 				}
 
 				if ( ! is_wp_error( $response ) ) {
+					// Remove the redundant preg_match argument.
+					unset( $args[0] );
 
 					$request->set_url_params( $args );
 					$request->set_attributes( $handler );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 8fa69a7d14..2696c569f1 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-beta4-35658';
+$wp_version = '4.4-beta4-35659';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.