Kendo UI chart bug

Chart doesn't respond to visible: false on line

HTML

<link rel="stylesheet" href="http://cdn.kendostatic.com/2011.3.1007/styles/kendo.common.min.css">
<script src="http://cdn.kendostatic.com/2011.3.1007/js/kendo.all.min.js"></script>
<div class="chart-wrapper">
                <div id="chart" style=""></div>
            </div>

JavaScript

function createChart() {
    $("#chart").kendoChart({
        theme: $(document).data("kendoSkin") || "default",
        title: {
            text: "Internet Users"
        },
        legend: {
            position: "bottom"
        },
        chartArea: {
            background: ""
        },
        seriesDefaults: {
            type: "line"
        },
        series: [{
            name: "World",
            data: [15.7, 16.7, 20, 23.5, 26.6]
        }, {
            name: "United States",
            data: [67.96, 68.93, 75, 74, 78]
        }],
        valueAxis: {
            majorTickSize: 0,
            majorGridLines: {
                visible: false
            },
            line: {
                visible: false,
                width: 0 //remove this and the line will come back even with visible false
            },
            labels: {
                visible: false
            }
        },
        categoryAxis: {
            line: { 
                visible: false,
                width: 0 //remove this and the line will come back even with visible false
            },
            majorTickSize: 0,
            labels: { visible: false },
            categories: [2005, 2006, 2007, 2008, 2009]
        },
        tooltip: {
            visible: true,
            format: "{0}%"
        }
    });
}

$(document).ready(function() {
    setTimeout(function() {
        createChart();

        // Initialize the chart with a delay to make sure
        // the initial animation is visible
    }, 400);

    $(document).bind("kendo:skinChange", function(e) {
        createChart();
    });
});