columnDefs is not working

imurbatman

          $('#example').dataTable({
        "aaSorting": [[ 5, "asc" ]],
        "iDisplayLength": 20,
        //"responsive": true,
        //"deferRender": true,

        "columnDefs": [{ targets: 0, visible: false}]
        /*
            "columnDefs": [
                { className: "never", "targets": [ 5 ] }
            ]
        */
    });

I TRIED removing responsive, but its not workin. please help.