If you want to delete your previous entered credit card details , please follow the steps:
While checking out on your current order , look for the previous entered credit card details ,make a left swipe on the credit card and you will see a delete icon. Click on the Delete Button.
If you need further assistance for this request, please send a ticket to Yamimeal customer care representatives via https://help.yamimeal.com/hc/en-us. We will try our best to help you as soon as possible.