There are a couple ways you can do this:https://ttlc.intuit.com/replies/4233655
Or you can do a Delete a Form:
- Click on "My Account" at top of page
- Select "Tools"
- Select "Delete a Form"
- scroll down list and find the 1099 you wish to delete
- Click Delete button to the right of it
- confirm deletion
- Continue back To return.