Things You'll Need
Instructions
Go to the Xbox official website (See Resources below). Click on the ̶0;Sign in̶1; option at the top of the page.
Enter your email address and password, then click on the ̶0;Sign in̶1; button. Click on the drop-down menu for the ̶0;My Xbox̶1; option at the top of the page once you have signed in.
Click on the ̶0;Manage Profile̶1; option. Click on the ̶0;Manage Payment Options̶1; button from the ̶0;Account Management̶1; section.
Locate the credit card account you have that you want to remove and then click on the ̶0;Remove̶1; option.
Click on the ̶0;Yes̶1; option and you will return to your account page. Your credit card will be fully removed from your Xbox Live account.