diff --git a/src/main/javascript/view/OperationView.js b/src/main/javascript/view/OperationView.js
index e2be5c55..d5a27726 100644
--- a/src/main/javascript/view/OperationView.js
+++ b/src/main/javascript/view/OperationView.js
@@ -768,9 +768,6 @@ SwaggerUi.Views.OperationView = Backbone.View.extend({
   },
 
   toggleOperationContent: function (event) {
-    if (event) {
-      event.preventDefault();
-    }
     var elem = $('#' + Docs.escapeResourceName(this.parentId + '_' + this.nickname + '_content'));
     if (elem.is(':visible')){
       $.bbq.pushState('#/', 2);