From your account in a browser
- Go to https://myaccount.google.com/device-activity.
- Make sure that you log in to the Google Account to which your Google TV is linked.
- Find the Google TV that you'd like to remove from your account, then select it.
- Select Sign out Sign out.
From Chromecast with Google TV
- At the top right, open the user profile icon select Settings.
- Open Accounts and sign-in and select the Google Account that you want to remove.
- Select Remove Remove account.