1 files changed, 1 insertions, 1 deletions
diff --git a/toolkit/mozapps/extensions/test/xpcshell/test_provider_shutdown.js b/toolkit/mozapps/extensions/test/xpcshell/test_provider_shutdown.js
index 498b28a0c9..47612f1565 100644
--- a/toolkit/mozapps/extensions/test/xpcshell/test_provider_shutdown.js
+++ b/toolkit/mozapps/extensions/test/xpcshell/test_provider_shutdown.js
@@ -31,7 +31,7 @@ function mockAddonProvider(aName) {
     mockProvider.doneResolve = resolve;
     mockProvider.doneReject = reject;
   });
-  mockProvider.shutdownPromise = new Promise((resolve, reject) => {
+  mockProvider.shutdownPromise = new Promise(resolve => {
     mockProvider.shutdownResolve = resolve;
   });
   return mockProvider;