Jquery Sortable, delete current Item by drag out

My Problem: The sortable event out: fires when I drag something in the list or when I sort the list. But I only want to start the function when I drag an item out.

My code

        $(document).ready(function ust()
        {    
            $('#div1').sortable({
                out: function(event, ui) { $('#nfo').append('OUT<br />'); }
            });

        });

Working example http://jsfiddle.net/FrbW8/22/