1 files changed, 1 insertions, 1 deletions
diff --git a/browser/components/extensions/test/browser/browser_ext_tabs_newtab_private.js b/browser/components/extensions/test/browser/browser_ext_tabs_newtab_private.js
index 19146fbe42..8855078faa 100644
--- a/browser/components/extensions/test/browser/browser_ext_tabs_newtab_private.js
+++ b/browser/components/extensions/test/browser/browser_ext_tabs_newtab_private.js
@@ -9,7 +9,7 @@ const NEWTAB_EXTENSION_CONTROLLED = "browser.newtab.extensionControlled";
 const NEWTAB_URI = "webext-newtab-1.html";
 
 function promisePrefChange(pref) {
-  return new Promise((resolve, reject) => {
+  return new Promise(resolve => {
     Services.prefs.addObserver(pref, function observer() {
       Services.prefs.removeObserver(pref, observer);
       resolve(arguments);