Google map plugin will help you to disable Infowindow of particular location.Just simple steps you can disable infowindow for a particular location.

Step 1 Go to Add or Edit Location Page and tick the box of Disable Infowindow tab as below.

How to Disable Info window of a particular location Wpmapspro

Step 2 Click Save Location.You’ll see infowindow will not display in your selected location.

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