- First, make sure you are logged in to your account https://sso.crunchyroll.com/login
- Go to My Account > Payment Methods or go to the following link https://www.crunchyroll.com/acct/billing and select Delete on the card you wish to delete.
Please keep in mind that if the card is removed while a subscription is active, the subscription may continue to bill that card. Please make sure to follow the steps to cancel the subscription in the following article
If you would like to change your payment method, please follow the steps from the following article