diff --git a/ui-eln-lims/src/core-plugins/eln-lims/1/as/webapps/eln-lims/html/js/views/AdvancedSearch/AdvancedSearchView.js b/ui-eln-lims/src/core-plugins/eln-lims/1/as/webapps/eln-lims/html/js/views/AdvancedSearch/AdvancedSearchView.js
index 12a6cf922a524a39d502a581fd69d5d7740b2f44..f0b8b79fd24b9069317283fdecb3f489ea5e1141 100644
--- a/ui-eln-lims/src/core-plugins/eln-lims/1/as/webapps/eln-lims/html/js/views/AdvancedSearch/AdvancedSearchView.js
+++ b/ui-eln-lims/src/core-plugins/eln-lims/1/as/webapps/eln-lims/html/js/views/AdvancedSearch/AdvancedSearchView.js
@@ -626,10 +626,6 @@ function AdvancedSearchView(advancedSearchController, advancedSearchModel) {
 
     this._getNegationOperatorDropdownComponent = function(uuid) {
         var _this = this;
-//        var negationOperatorOptions = [{value : "Non", label : "", selected : true },
-//                                       {value : "NOT", label : "NOT"}];
-//        var $dropDownComponent = FormUtil.getDropdown(negationOperatorOptions, "Select Operator");
-//        return $dropDownComponent;
         var $checkbox = $('<input>', {'type' : 'checkbox'})
         $checkbox.change(function() {
             _this._advancedSearchModel.criteria.rules[uuid].negate = $checkbox.is(":checked");