diff --git a/kfet/templates/kfet/history.html b/kfet/templates/kfet/history.html
index eacd6e73..4a158e9e 100644
--- a/kfet/templates/kfet/history.html
+++ b/kfet/templates/kfet/history.html
@@ -239,10 +239,7 @@ $(document).ready(function() {
         data = $.extend({}, websocket_msg_default, JSON.parse(e.data));
 
         for (var i=0; i<data['opegroups'].length; i++) {
-            if (data['opegroups'][i]['add'] && 
-                moment(data['opegroups'][i]['at']).isBefore(moment($to_date.val()).add(15, 'minutes'))) {
-                khistory.addOpeGroup(data['opegroups'][i]);
-            } else if (data['opegroups'][i]['cancellation']) {
+            if (data['opegroups'][i]['cancellation']) {
                 khistory.cancelOpeGroup(data['opegroups'][i]);
             }
         }