You can file your federal return alone using TurboTax - if you don't want to file your state return using TurboTax, you can delete a state
return in TurboTax Online, as long
as you haven't paid for it yet (or registered in a free
version).
Please see
the following TurboTax FAQ, "How do I delete my state return in TurboTax
Online?":
https://ttlc.intuit.com/replies/3301384
Your charges will then reflect filing of the federal return only.
