I initially answered Yes to traditional IRA when I actually have a TSP. How do I undo this

Please follow these steps to delete the traditional IRA:

1. Login to your TurboTax Account 
2. Click on "Search" on the top right and type “IRA contributions” 
3. Click on “Jump to IRA contributions"
4. Deselect “traditional IRA” and select "None"
5. Click "Continue" and confirm that you want to delete your traditional IRA entry.