How do I remove the legend from a Google geoChart?

Set the option legend to none.

legend: 'none'

This hides the legend/colorAxis displayed at the left bottom corner of the chart.

See : http://code.google.com/apis/chart/interactive/docs/gallery/geochart.html#Configuration_Options

"An object with members to configure various aspects of the legend, or 'none', if no legend should appear."

So basically, when you're passing your configuration options into the API, you want to include the following:

legend: 'none'

A simple example set of chart options would be:

var options = {
    displayMode: 'markers',
    colorAxis: {colors: ['green', 'blue']},
    legend: 'none',
}

The modified version of the marker example provided by google on: http://code.google.com/apis/chart/interactive/docs/gallery/geochart.html#Examples

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