The best way to "disable" a state return in TurboTax is to delete it.
For TurboTax Online programs,
While in your Tax Home,
- Select State,
- Select Continue,
- Select Delete next to your state.
For TurboTax Desktop programs:
- In the upper left hand corner, click on File.
- In the dropdown that appears, select Remove State Return.
- In the pop-up that is displayed, select the state return you wish to delete and the click on Remove.
You may still encounter some issues with the program thinking you need a state return, especially if one of your tax documents indicates income is coming from that state or you had income from that state in previous years..