Go to "Settings" on your iPhone, then tap on the "Privacy" section.
Then click on "Location Services" and scroll to the very bottom of the page, where you'll need to tap on "System Services"
Toggle "Significant Locations" button to off.
You can also hit the Clear History button inside Significant Locations, which deletes your locations collected so far.
Dazzling-Magician928 t1_iy45122 wrote
Reply to Your iPhone has a secret log of where you’ve been – how to delete it in seconds by _googlefanatic_
Go to "Settings" on your iPhone, then tap on the "Privacy" section.
Then click on "Location Services" and scroll to the very bottom of the page, where you'll need to tap on "System Services"
Toggle "Significant Locations" button to off.
You can also hit the Clear History button inside Significant Locations, which deletes your locations collected so far.