Looking for how to remove an account in MetaMask?
Head to Settings > Accounts.
Now, find the account you want to remove and click the three vertical dots next to it to access the 'More actions' menu.
In this menu, simply hit 'Remove account'. You'll be prompted to confirm. When you do, it'll be removed from your dashboard.
You can also remove all connected accounts simultaneously by clicking the 'Disconnect all' button.