Enter WeChat - Me - My Wallet - Credit Card Repayment. The bound credit card will be displayed on the "Credit Card Repayment" interface. Click on the credit card to be deleted to enter the repayment interface. You will see Go to a small gear icon and click on it to enter the "Settings Interface". In this settings interface, you can turn on repayment reminders or delete the bound credit card. Click "Delete this credit card" and then select "Yes" "That's it.