ajax.reload() not defined

ecomevo

I have the following code under DT v1.10:

var oTable = $('#items')
    .dataTable({
        sDom: "<'row'<'col-md-4'l><'col-md-6'f>r>t<'row'<'col-md-4'i><'col-md-7'p>>",
        oLanguage: {
            sLengthMenu: "_MENU_ per page"
        },
        ajax: "/items",
        bProcessing: true,
        bServerSide: true,
        aoColumnDefs: [
            {
                aTargets: [-1],
                bSearchable: false,
                bSortable: false
            }
        ]
    })
    .on('click', '.btn-danger', function (e) {
        if (confirm('Are you sure you want to delete SKU "' + $(this).data('sku') + '"?')) {
            $.getJSON($(this).attr('href'), function (data) {
                if ('success' in data) {
                    oTable.ajax.reload(null, false);
                }
            });
        }
        event.stopPropagation();
        return false;
    });

When the server responds with success, it tries to call the line oTable.ajax.reload(null, false); but I always get the error Uncaught TypeError: Cannot read property 'reload' of undefined

What am I doing wrong here?