1 files changed, 1 insertions, 1 deletions
diff --git a/browser/extensions/pictureinpicture/video-wrappers/tubilive.js b/browser/extensions/pictureinpicture/video-wrappers/tubilive.js
index 0de748e717..02ec876cac 100644
--- a/browser/extensions/pictureinpicture/video-wrappers/tubilive.js
+++ b/browser/extensions/pictureinpicture/video-wrappers/tubilive.js
@@ -10,7 +10,7 @@ class PictureInPictureVideoWrapper {
 
     if (container) {
       updateCaptionsFunction("");
-      const callback = function (mutationsList, observer) {
+      const callback = function () {
         let text =
           container.querySelector(`.tubi-text-track-container`)?.innerText ||
           container.querySelector(`.subtitleWindow`)?.innerText;