diff --git a/layouts/vlayout/modules/Calendar/resources/Edit.js b/layouts/vlayout/modules/Calendar/resources/Edit.js
index e52b21a48d53d5b60bdc9bf33906242508b1f8e9..8f6d26d30cdf92865cf67a7774571dc3496f7c1d 100644
--- a/layouts/vlayout/modules/Calendar/resources/Edit.js
+++ b/layouts/vlayout/modules/Calendar/resources/Edit.js
@@ -209,9 +209,6 @@ Vtiger_Edit_Js("Calendar_Edit_Js",{
 			var dateStartElement = container.find('[name="date_start"]');
             var endDateElement = container.find('[name="due_date"]');
 			
-            if(endDateElement.data('userChangedTime') == true) {
-                return;
-            }
             if(jQuery('[name="userChangedEndDateTime"]').val() == '1') {
                 return;
             }
@@ -452,4 +449,4 @@ Vtiger_Edit_Js("Calendar_Edit_Js",{
         this.registerRelatedContactSpecificEvents();
 		this._super();
 	}
-});
\ No newline at end of file
+});