How to remove my card from Samsung Wallet ?

You can easily remove your Nickel card from Samsung Wallet.
 

From your Samsung Galaxy:

1. Open the Samsung Wallet app.
2. Click on the card you want to remove.
3. Click on "More options" (the three vertical dots).
4. Then, tap "Remove payment method" at the bottom of the screen.

From your Galaxy Watch:

1. On the watch, press and hold the "Back" button until Samsung Pay/Wallet launches.
2. Enter your PIN. If you have multiple cards, swipe until you reach the card you want to remove.
3. Tap "More options" (the three vertical dots).
4. Tap Remove, then the Minus (-) sign.