Facebook users can edit or delete payment methods from their Facebook accounts by following these steps:
Step 1: Click the gear icon (upper right-hand corner of Facebook) and then click Account Settings
Step 2: Select Payments (located on the left-hand side of the Account Settings page)
Step 3: Click Manage
Step 4: When prompted, enter the password you use to log into your Facebook account
Step 5: Click Remove for the payment method you wish to delete and click Close when finished
Please visit Facebook Help directly if you need additional assistance or have any additional questions on removing/editing payment methods on file.