Mobile
1. Tap Spending Account.
2. Tap Linked cards.
3. Tap the card to unlink.
4. Tap Delete (trash can icon). (For security purposes, you might be prompted to log in again._
5. The card is removed.
Website
1. Click Spending Account.
2. Under My Linked Accounts, click Linked Credit Cards.
3. Click the card you want to remove.
4. Click Delete (the trash can).
5. In the pop-up, click Unlink Card.
The card is unlinked and removed from Linked Cards.