1. In Your Account, select Your Payments.
  2. Do one of the following:
    • To add a payment method, select the Add a payment method link under the category that you want to add.
    • To edit or remove a payment method, select the card that you wish to edit on the left side of the page. The card opens in the center of the page. Click Edit under the card name. You can update your billing address, select a default card, update card details or remove the card from your account. Select Remove from wallet to remove the card from your account.
  3. Follow the on-screen instructions.

Official guide from Amazon