1 files changed, 1 insertions, 1 deletions
diff --git a/toolkit/components/windowwatcher/test/browser_new_sized_window.js b/toolkit/components/windowwatcher/test/browser_new_sized_window.js
index 0a1e63a8c8..acb73f027e 100644
--- a/toolkit/components/windowwatcher/test/browser_new_sized_window.js
+++ b/toolkit/components/windowwatcher/test/browser_new_sized_window.js
@@ -33,7 +33,7 @@ function test_dimensions({ width, height }) {
       gBrowser,
       url: SCRIPT_PAGE,
     },
-    async function (browser) {
+    async function () {
       let win = await newWinPromise;
       let rect = win.gBrowser.selectedBrowser.getBoundingClientRect();