--- a/browser/components/customizableui/CustomizableUI.jsm
+++ b/browser/components/customizableui/CustomizableUI.jsm
@@ -2849,18 +2849,16 @@ var CustomizableUIInternal = {
   },
 
   wrapWidgetEventHandler(aEventName, aWidget) {
     if (typeof aWidget.implementation[aEventName] != "function") {
       aWidget[aEventName] = null;
       return;
     }
     aWidget[aEventName] = function(...aArgs) {
-      // Wrap inside a try...catch to properly log errors, until bug 862627 is
-      // fixed, which in turn might help bug 503244.
       try {
         // Don't copy the function to the normalized widget object, instead
         // keep it on the original object provided to the API so that
         // additional methods can be implemented and used by the event
         // handlers.
         return aWidget.implementation[aEventName].apply(
           aWidget.implementation,
           aArgs