1 files changed, 1 insertions, 1 deletions
diff --git a/browser/extensions/pictureinpicture/video-wrappers/washingtonpost.js b/browser/extensions/pictureinpicture/video-wrappers/washingtonpost.js
index 6d0e57c96a..340306328c 100644
--- a/browser/extensions/pictureinpicture/video-wrappers/washingtonpost.js
+++ b/browser/extensions/pictureinpicture/video-wrappers/washingtonpost.js
@@ -10,7 +10,7 @@ class PictureInPictureVideoWrapper {
 
     if (container) {
       updateCaptionsFunction("");
-      const callback = function (mutationsList, observer) {
+      const callback = function () {
         let subtitleElement = container.querySelector(".powa-sub-torpedo");
         if (!subtitleElement?.innerText) {
           updateCaptionsFunction("");