Open the Google app, website, or account page where you are signed in
Click or tap your profile picture in the top right
Select Sign out or Log out
If you are on a browser, close the browser or sign out from the account menu
On Android, go to Settings
Tap Passwords & accounts or Accounts
Select Google
Choose the Google account
Tap Remove account
Confirm the removal
On iPhone or iPad, open the Google app or Gmail app
Tap your profile picture
Tap Manage accounts on this device
Tap Remove from this device or Sign out
Confirm the action