1 files changed, 1 insertions, 1 deletions
diff --git a/toolkit/content/widgets/moz-message-bar/moz-message-bar.mjs b/toolkit/content/widgets/moz-message-bar/moz-message-bar.mjs
index 58f41c28e4..d83de5d29f 100644
--- a/toolkit/content/widgets/moz-message-bar/moz-message-bar.mjs
+++ b/toolkit/content/widgets/moz-message-bar/moz-message-bar.mjs
@@ -69,7 +69,7 @@ export default class MozMessageBar extends MozLitElement {
     this.dismissable = false;
   }
 
-  onSlotchange(e) {
+  onSlotchange() {
     let actions = this.actionsSlotEl.assignedNodes();
     this.actionsEl.classList.toggle("active", actions.length);
   }