If you have associated your Netflix account with your Google Fiber TV system and want to sign out of your Netflix account for any reason, you can deactivate it.
To deactivate your Netflix account:
On the TV Box where you want to deactivate Netflix, press on the remote control, and then select Apps & More.
The Apps & More screen appears.
Select Deactivate next to Deactivate Netflix Device.
A message prompts you to confirm the deactivation.
Repeat this procedure for each TV Box on which you want to deactivate your Netflix account.