Read this it may help.
You may choose to disable Location Services at any time. To do so, open Settings on your iPhone, tap Privacy, tap Location Services, and either turn off the global Location Services switch or turn off the individual location switch of each location-aware app or feature by setting it to “Never”. To disable Location Services for all websites, set the Location Services setting for Safari to “Never”. You may also disable location-based system services by tapping on System Services and turning off the switch for each location-based system service. You may choose to disable Location Services for your HomePod at any time in the HomePod settings in the Home App on your paired iOS device.