The Google Home Developer Console does not currently provide a way to delete a project. In order to delete a project, you must use the Google Cloud Dashboard.
First, go to the Google Cloud Console:
Go to the Google Cloud Platform console
- Click the menu in the upper right and select Project settings.
Click theSHUT DOWN link.
Confirm your decision by entering your Project ID in the confirmation dialog and click SHUT DOWN, or click CANCEL if you change your mind.