1 files changed, 1 insertions, 1 deletions
diff --git a/browser/extensions/pictureinpicture/video-wrappers/piped.js b/browser/extensions/pictureinpicture/video-wrappers/piped.js
index 1cc1c32eb2..738fa973c6 100644
--- a/browser/extensions/pictureinpicture/video-wrappers/piped.js
+++ b/browser/extensions/pictureinpicture/video-wrappers/piped.js
@@ -10,7 +10,7 @@ class PictureInPictureVideoWrapper {
 
     if (container) {
       updateCaptionsFunction("");
-      const callback = function (mutationsList, observer) {
+      const callback = function () {
         let textNodeList = container
           .querySelector(".shaka-text-wrapper")
           ?.querySelectorAll('span[style="background-color: black;"]');