You can remove a credit card directly from the "My Profile" section of your dashboard. Just click "Billing," click on the card you'd like to remove → Edit → Remove Card → Continue. The card should now disappear from your dashboard. Please keep in mind that you will need to have a credit card on file for any future active Trading Combines.
If you have any questions or need assistance, please contact support at 1-888-407-1611 or firstname.lastname@example.org