diff --git a/module/project/js/common.js b/module/project/js/common.js
index 7ce2365ef8..ce90160378 100644
--- a/module/project/js/common.js
+++ b/module/project/js/common.js
@@ -396,7 +396,6 @@ function outOfDateTip(currentID = 0)
 
             var beginLetterParentTip = beginLetterParent + data.selectedProgramBegin;
             var endGreaterParentTip  = endGreaterParent + data.selectedProgramEnd;
-            var dateExceedParentTip  = dateExceedParent + data.selectedProgramBegin + "~" + data.selectedProgramEnd;
 
             if(projectBegin >= parentBegin && projectEnd <= parentEnd) return;