Because Taobao is bound to Alipay, the credit card unbound from mobile Taobao can be deleted in Alipay.

Specific steps:

1. Open Alipay on your mobile phone.

2. Then enter the Alipay homepage and click My in the lower right corner.

3. Click the bank card option on my page.

4. After entering the bank card page, select the bank card you want to unbind.

5. After clicking on the bank card, you will enter the card settings page.

6. Then click on the bank card management option.

7. Then click the three dots on the new page.

8. Then click Unbind on the pop-up page.