You can delete your TurboTax Online state return as long as you haven't paid for it yet (or registered in a free version):
- Sign in to your return, if you're not already signed in.
(To do this, sign in to TurboTax and select the orange Take me to my return button.)
- Click State Taxes near the top of your screen, and then Select Your State Returns.
- On that screen, click the Delete link right next to the Edit button, and then answer Yes.
For additional information please see the following TurboTax FAQ. https://ttlc.intuit.com/replies/3301384
