1 files changed, 1 insertions, 1 deletions
diff --git a/dom/media/test/test_background_video_resume_after_end_show_last_frame.html b/dom/media/test/test_background_video_resume_after_end_show_last_frame.html
index 68f7179e12..991de9ac98 100644
--- a/dom/media/test/test_background_video_resume_after_end_show_last_frame.html
+++ b/dom/media/test/test_background_video_resume_after_end_show_last_frame.html
@@ -79,7 +79,7 @@ function waitUntilSeekToLastFrame(video) {
     );
   }
 
-  return new Promise(function(resolve, reject) {
+  return new Promise(function(resolve) {
     video.seenEnded = false;
     video.addEventListener("ended", () => {
       video.seenEnded = true;