If you're paying for GitHub with a coupon, you can remove your payment information from GitHub.

Tip: If you downgrade your account to free, we'll automatically remove your payment information.

  1. In the top right corner of any page, click your profile photo, then click Settings. Settings icon in the user bar
  2. In your user settings sidebar, click Billing. Billing settings

  3. In the Billing Information section, click . Billing overview change plan button

  4. Confirm the change by clicking Remove credit card. Confirm deletion of credit card

Further reading