1 files changed, 1 insertions, 1 deletions
diff --git a/devtools/client/framework/browser-toolbox/window.js b/devtools/client/framework/browser-toolbox/window.js
index e84ef02829..e1b4c8031b 100644
--- a/devtools/client/framework/browser-toolbox/window.js
+++ b/devtools/client/framework/browser-toolbox/window.js
@@ -185,7 +185,7 @@ window.addEventListener(
   { once: true }
 );
 
-function onCloseCommand(event) {
+function onCloseCommand() {
   window.close();
 }