• On an iOS or iPadOS device: Go to Settings > Bluetooth, tap the More Info button next to the device, then tap Forget This Device. If you don’t see the Devices list, make sure Bluetooth is on.

  • On a Mac: Choose Apple menu > System Preferences, then click Bluetooth. Control-click the device name, choose Remove, then click Forget Device.

To unpair your Apple Watch and iPhone, see the Apple Support article Unpair and erase your Apple Watch.