1 files changed, 1 insertions, 1 deletions
diff --git a/toolkit/components/remotebrowserutils/tests/browser/browser_httpCrossOriginOpenerPolicy.js b/toolkit/components/remotebrowserutils/tests/browser/browser_httpCrossOriginOpenerPolicy.js
index 5f3eade823..7ef8204246 100644
--- a/toolkit/components/remotebrowserutils/tests/browser/browser_httpCrossOriginOpenerPolicy.js
+++ b/toolkit/components/remotebrowserutils/tests/browser/browser_httpCrossOriginOpenerPolicy.js
@@ -106,7 +106,7 @@ function waitForDownloadWindow() {
         var domwindow = aXULWindow.docShell.domWindow;
         domwindow.addEventListener("load", downloadOnLoad, true);
       },
-      onCloseWindow: aXULWindow => {},
+      onCloseWindow: () => {},
     };
 
     Services.wm.addListener(listener);