Disable hover on HighCharts

Disabling tooltip just disables the tooltip but the hover effect is still present. To disable the hover effect, add the following to your plotOptions:

    plotOptions: {
        series: {
            states: {
                hover: {
                    enabled: false
                }
            }
        }
    },

You need to set the tooltip attribute to false, like so:

tooltip: { enabled: false },

jsFiddle here

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Here's the full code for your case:

var chart = new Highcharts.Chart({
       colors: ['#0072BC', '#BFDAFF', '#DDDF00', '#24CBE5', '#64E572', '#FF9655', '#FFF263', '#6AF9C4'],
       credits: { enabled: false },
       tooltip: { enabled: false },
       chart: {
              renderTo: 'container',
              backgroundColor: 'rgba(255, 255, 255, 0.1)',
              type: 'pie',
              margin: [0, 0, 0, 0],
              spacingTop: 0,
              spacingBottom: 0,
              spacingLeft: 0,
              spacingRight: 0
       },
       title: { text: null },
       plotOptions: {
              pie: {
                  allowPointSelect: false,
                  size: '100%',
                   dataLabels: { enabled: false }
              }
      },
      series: [{
              showInLegend: false,
              type: 'pie',
              name: 'Pie Chart',
              data: [
                    ['Mobile', 65], // first half of pie
                    ['Other', 35] // second half of pie
              ]
      }]
});