How to Cancel My Account ?

Begin by logging in to your Yahoo account. Once logged in, click “My Yahoo!” in the upper-left corner of the page. Click the “Games” tab to access the game page, then scroll down to “Mafia Wars”. Click “Options” next to “Mafia Wars”, then select “Remove” from the drop-down menu. Check the box to remove other instances of Mafia Wars in the pop up, then click the “Remove” button to cancel your Yahoo Mafia Wars account.