If you already filed it is too late to delete it. How did you pay the fees? Did you have the fees deducted from your refund? You can try asking. When you call use the words "Billing Issue" and not Refund. How to contact Turbo Tax
https://ttlc.intuit.com/community/using-turbotax/help/how-do-i-contact-turbotax/00/26991
