Open your browser and go to myaccount.google.com
Sign in to the Google account you want to remove
Click Data & privacy
Scroll to More options
Click Delete your Google Account
Enter your password if prompted
Review the information shown
Check the confirmation boxes
Click Delete Account
To remove the account from Chrome, open Chrome
Click your profile icon in the top-right corner
Click Manage profiles or Sign out
Remove the Google account or profile from the computer
To remove the account from Windows, open Settings
Go to Accounts
Click Email & accounts
Select the Google account
Click Remove
Confirm the removal
To remove the account from Mac, open System Settings
Go to Internet Accounts
Select the Google account
Click Delete Account
Confirm the removal