I entered an 1099 by mistake, it was for the tax year 2010 and got mixedup with my paper work for this year.

[JoannaT · Accepted solution]

If you need to delete a form follow these steps while sign in to TurboTax and in your 2016 tax return:

1. Go to My Account
2. Click on Tools
3. Select Delete a form
4. Scroll until you see the form and click the delete link on the right
5. Click Delete selected form