Things You'll Need
Instructions
Insert the "Mario Kart Wii" game and turn on your Nintendo Wii.
Find the license (or profile) you want to delete and open it by clicking it.
Look up in the top right-hand corner for a button that says "License Settings." Click the "License Settings" button to open a new screen.
Select "Delete License" under the license settings. Choose "Yes" when it asks you if you're sure.