To remove an accessory from the Home app:
• On your iOS device: Press and hold an accessory, tap Settings, then scroll down and tap Remove Accessory.
• On your Mac: Double-click an accessory, click Settings, then scroll down and click Remove Accessory.
If you remove your home from the app Home, all of its data, like accessories, scenes, automations, and people you’ve invited to control your home, will be deleted. You’ll also need to reset each of your accessories before you can set them up again.
To delete your Home and all of its data from the Home app:
• On your iOS device: Tap Home Settings Icon in the upper-left corner, then scroll to the bottom and tap Remove Home.
• On your Mac: Go to Edit > Edit Home, then scroll to the bottom and click Remove Home.