Things You'll Need
Instructions
Removing the Credit Card
Go to www.xboxlive.com
Log-in with your username.
In the top right, beside your profile picture, click the "My Xbox" dropdown menu.
Select the "Manage Profile" option.
Select "Manage Payments." This is located to the right between the "Redeem Code" and "Contact Information" options.
Now, you're looking at a list of credit cards associated with your Xbox Live account. Find the one you wish to delete and click the "Remove" button to the right.