Contact your respective financial institution for questions/issues related to: declined payments, making credit card payments, disputing charges or payments, canceling a card, reporting a card lost or stolen, and requesting or replacing an ATM/Debit card.
Apple Pay lets you make purchases in stores with contactless payment technology, and in supported apps using unique security features built into the iPhone 6, iPhone 6 Plus, iPad Air 2 and iPad mini 3 with software version iOS 8.1 and later.
From the Home screen, tap Settings.
Tap Wallet & Apple Pay.
Tap the desired added card.
Tap Remove Card. Follow any additional screen prompts.