Open the Wallet app on your iPhone
Tap the Apple Pay card you want to remove
Tap the More button
Scroll down and tap Remove This Card
Confirm the removal
On Apple Watch, open the Watch app on your iPhone
Tap Wallet & Apple Pay
Tap the card
Tap Remove Card
Confirm the removal
On iPad, go to Settings
Tap Wallet & Apple Pay
Tap the card
Tap Remove Card
Confirm the removal
On Mac with Touch ID, go to System Settings
Click Wallet & Apple Pay
Select the card
Click Remove Card
Confirm the removal