Thanks for posting here in the Google Nest Community.
I know how it feels when something isn’t working as it should, so let’s get this resolved. Are you using the same email address in the Google Home app? Make sure that this is the same email so you can delete your Home via the Google Home app. Here are the steps to check the email that you are using in the Google Home app.
Let me know how it goes.
We want to ensure you are good to go, and everything is working properly. Please let us know if you are still having trouble, as we will be locking the thread in 24 hours due to inactivity.