How do I make my iPhone forget a credit card?

How do I make my iPhone forget a credit card?
How to change your payment method on your iPhone, iPad, or iPod touch

Add a payment method — Tap Add Payment Method.
Update a payment method — Tap the payment method, then edit your information.
Remove a payment method — Tap Edit, tap the red Delete button, then tap Remove.

How to change your payment method on your iPhone, iPad, or iPod touch
  1. Add a payment method — Tap Add Payment Method.
  2. Update a payment method — Tap the payment method, then edit your information.
  3. Remove a payment method — Tap Edit, tap the red Delete button, then tap Remove.