You can delete unneeded forms by revisiting the section where they were originally created, and clicking the Delete button. To get back to the section where 1099R forms are entered:
- Click Federal on the left hand side
- Click Wages & Income along the top.
- If asked `How do you want to enter your income?` click `I'll choose what I work on`
- On the `Your 2018 Income Summary`, scroll down to the `Retirement Plans and Social Security`.
- Click `Update` next to `IRA, 401(k), Pension Plan Withdrawals (1099-R)`
- Click `Delete` next to the Items you want to delete.