From the Home screen, tap Apps. (located in the lower-right). These instructions apply to Standard mode only. Tap Settings. Then Tap Accounts. Tap Google. Then Tap the Google account you want to remove. Tap Menu. Tap Remove account. Tap Remove account to confirm.
How do I remove a Google account from my s5?
When you want to remove the app, tap Menu. (located on the right of the screen). Then tap the Remove account option. Then tap Confirm to remove the account.