diff --git a/src/UI/Calendar/CalendarView.js b/src/UI/Calendar/CalendarView.js
index 4e19f4fd9..6be5259d0 100644
--- a/src/UI/Calendar/CalendarView.js
+++ b/src/UI/Calendar/CalendarView.js
@@ -127,7 +127,6 @@ define(
             },
 
             _reloadCalendarEvents: function () {
-                window.alert('collection changed');
                 this.$el.fullCalendar('removeEvents');
                 this._setEventData(this.collection);
             }