diff --git a/zulip/integrations/google/google-calendar b/zulip/integrations/google/google-calendar
index 42479611..278b13db 100755
--- a/zulip/integrations/google/google-calendar
+++ b/zulip/integrations/google/google-calendar
@@ -160,8 +160,6 @@ def populate_events() -> Optional[None]:
 
 
 def send_reminders() -> Optional[None]:
-    global sent
-
     messages = []
     keys = set()
     now = datetime.datetime.now(tz=pytz.utc)