If you have not registered, deducted your TurboTax fees from your refund, or submitted your payment, you may erase your income tax return and begin again. For further details, you may refer to the FAQ: How do I clear and start over in TurboTax Online? https://ttlc.intuit.com/replies/4248526
If you have already processed your payment for using TurboTax and need to discuss canceling your order, you may find information on contacting a representative via phone in the FAQ: What is the TurboTax phone number? https://ttlc.intuit.com/replies/3300041
For instructions on removing Premium Services (including Audit Defense) from your order, please review the TurboTax FAQ: How do I remove Premium Services? https://ttlc.intuit.com/replies/3625003