diff --git a/js/tbl_change.js b/js/tbl_change.js
index f6f96f68c8..adbb86156d 100644
--- a/js/tbl_change.js
+++ b/js/tbl_change.js
@@ -102,7 +102,6 @@ function isDate(val,tmstmp)
     var pos=2;
     dtexp=new RegExp(/^([0-9]{4})-(((01|03|05|07|08|10|12)-((0[0-9])|([1-2][0-9])|(3[0-1])))|((02|04|06|09|11)-((0[0-9])|([1-2][0-9])|30)))$/);
     if (val.length == 8) {
-        dtexp=new RegExp(/^([0-9]{2})-(((01|03|05|07|08|10|12)-((0[0-9])|([1-2][0-9])|(3[0-1])))|((02|04|06|09|11)-((0[0-9])|([1-2][0-9])|30)))$/);
         pos=0;
     }
     if (dtexp.test(val)) {