You can delete your Google Maps history through your Google account's Settings page, using a computer or the mobile app.

The Google Maps feature that keeps track of where you’ve been is switching to on-device only in December. The Google Maps feature that keeps track of where you’ve been is switching to on-device only ...

Find out how the upcoming changes to Google Maps' location data controls could affect analytics data for businesses and advertisers. On-device Timeline storage is coming to Google Maps for enhanced ...

You should clear your Google search history on your Google Account and on various web browsers from time to time.