1 files changed, 1 insertions, 1 deletions
diff --git a/toolkit/components/places/tests/expiration/test_notifications.js b/toolkit/components/places/tests/expiration/test_notifications.js
index d52319a9c9..7ac7d769d6 100644
--- a/toolkit/components/places/tests/expiration/test_notifications.js
+++ b/toolkit/components/places/tests/expiration/test_notifications.js
@@ -14,7 +14,7 @@
 
 var gObserver = {
   notifications: 0,
-  observe(aSubject, aTopic, aData) {
+  observe() {
     this.notifications++;
   },
 };