diff --git a/includes/api/ApiRevisionDelete.php b/includes/api/ApiRevisionDelete.php
index bb5c145140f..7d89b690b97 100644
--- a/includes/api/ApiRevisionDelete.php
+++ b/includes/api/ApiRevisionDelete.php
@@ -139,10 +139,8 @@ class ApiRevisionDelete extends ApiBase {
 		if ( !$messages ) {
 			return array();
 		}
-		$result = $this->getResult();
 		$ret = array();
 		foreach ( $messages as $m ) {
-			$message = array();
 			if ( $m['message'] instanceof Message ) {
 				$msg = $m['message'];
 				$message = array( 'message' => $msg->getKey() );