No payment is required until you either e-file or print your return. So you'll just abandon the return. If you'd like to clear your data entered, you can do that by using the "Clear and Start Over" feature. Instructions below.
https://ttlc.intuit.com/replies/4248526
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***
