You can delete the form through Tax Tools.
To delete a form, you must be in your account, in a browser
for the Online program, or in the Desktop version. You cannot delete a form
through the app.
Delete a Form:
Sign into your account and go into the return
Click "Pick up where I left off"
Open the “Tax Tools”
drop-down on the left side bar (you may need to scroll down to see it)
Click on “Tools”
on that drop-down
Click Delete a form
(the third one down) on the "Tools Center" screen
Scroll down and click “Delete”
next to Form 1099-INT
