Open Google Chrome
Click the profile icon in the top-right corner
Click the gear icon or Manage profiles
Select the account or profile you want to remove
Click the three dots on that profile
Click Delete
Confirm the deletion
If the account is synced, go to Chrome Settings
Click You and Google
Click Sync and Google services
Click Turn off
If needed, sign out of the Google account from Chrome
If needed, remove the Google account from your device settings separately