Turn off Find My on your devices
Before you sell, give away or trade in a device, you should turn off Find My. When you turn off Find My on a device, the device is removed from your Devices list and Activation Lock is turned off.
If you no longer have the device, you can remove it from your account using Find My iPhone on iCloud.com.
Turn off Find My on an iPhone, iPad or iPod touch
On the device, do one of the following:
iOS 13, iPadOS 13 or later: Go to Settings > [your name] > Find My and turn off Find My [device]. Enter your Apple ID password and then tap Turn Off.
iOS 12 or earlier: Go to Settings > [your name] > iCloud and then turn off Find My [device]. Enter your Apple ID password and then tap Turn Off.
Turn off Find My on a Mac
On the Mac, choose Apple menu 
> System Preferences and then do one of the following:
macOS 10.15 or later: Click Apple ID, click iCloud and then deselect Find My Mac. Enter your Apple ID password and then click Continue.
macOS 10.14 or earlier: Click iCloud and then deselect Find My Mac. Enter your Apple ID password and then click Continue.
Turn off Find My on an Apple Watch
On your Apple Watch, press and hold the side button until the sliders appear and then drag the Power Off slider to the right.
Open the Apple Watch app on your iPhone, tap My Watch and then tap your Apple Watch at the top of the screen.
Tap
, then tap Unpair Apple Watch.In Find My iPhone on iCloud.com, click All Devices and then select the Apple Watch.
If you don’t see All Devices, it’s because you’ve already selected a device. Click the name of the current device in the centre of the toolbar to access the Devices list and then select a new device.
Click Remove from Account.
If your Apple Watch was set up by a family member, you can turn off Find My on your Apple Watch. Go to Settings > [your name] > Find My, turn off Find My Watch and then enter your Apple ID password.
Turn off Find My on AirPods
Put the AirPods in their case.
Unpair them in Bluetooth Settings on all your devices.
On your iPhone, iPad or iPod touch: Go to Settings > Bluetooth, tap
next to your AirPods, tap Forget This Device and then tap again to confirm.On your Mac: Choose Apple menu
> System Preferences, click Bluetooth, click 
and then click Forget This Device.
In Find My iPhone on iCloud.com, click All Devices and then select the AirPods.
If you don’t see All Devices, it’s because you’ve already selected a device. Click the name of the current device in the centre of the toolbar to access the Devices list and then select a new device.
Click Remove from Account.
Note: You can also turn off Find My on your iPhone, iPad, iPod touch or Mac by turning off iCloud completely on that device. Turning off iCloud turns off all iCloud features on the device.