Remove iOS-device
On an IOS device:Go to settings > [your name] > iCloud (or settings > iCloud) and turn off find my [device].

Open settings

Click on your name or iCloud account.

Scroll down and select “iCloud”

Scroll down and select “Find My iPhone”

Move the slider to the left to turn off the function.

Confirm with your password for your backup.

Verify that Find My iPhone is disable by seeing that the slider is grayed out.
For more information: https://support.apple.com/kb/PH2702?locale=sv_SE&viewlocale=sv_SE