Apple credit card

Here are the instructions for removing a credit card but please keep in mind, if that Apple Card is the only payment method, Apple may require you to add a new method of payment before it will allow you to remove the Apple Card.

Remove a payment method from your Apple ID - Apple Support

Remove a payment method on your iPhone or iPad

1. Open the Settings app.
2. Tap your name.
3. Tap Payment & Shipping.
4. Tap Edit, tap the red Delete button, then tap Remove.

Bevsvet Said:

"Apple credit card: How to remove my Apple credit card. It is canceled"

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Add, then Add:

You need at least one Method of Payment associated to your device. This is because even free apps have the option to purchase item from within. So, add a new Method of Payment, and then remove this one.

or Financial Assistance, Contact Apple Store Support:

You need to contact Apple Support Directly. This is a User-to-User forum. We are all volunteers. So, as you may suspect, no one here has access to that information — and that is a good thing, BTW. That’s why for Financial Assistance, you need to contact Apple Support. They’ll see what’s going on and will run you through the fix.

Apple Contact Info:

• Contact Us - Choose Locations
• Proceed from there, as necessary
• Why the Wait: Phone calls are taking a bit to go through at the moment, due to lots of calls. With the Coronavirus Pandemic, many are at home at the moment, with much time on their hands to contact Apple. So, just stay on the line, and you will get through :)

Where exactly do you want to remove it from? Apple Wallet? Apple ID? etc?

At this point you need to contact Apple Support directly. To do so, just select the "Support" link on the lower left-hand side of this forum's web page.

I agree with Tesserax’s suggestion. Good luck!