I think you mean 1099R

First try this:

Go to Federal Taxes

Wages and Income

Retirement section and to 1099R's and see if you can edit and delete it here.

If that does not work do this:

Delete a Form in on-line
A.     Go to Tools in left side of screen and click on Tools
B.    A box titled: Tool Center will open and below the 3 boxes is: Other helpful Links…
C.    Click on the 3rdt one: Delete a Form
D.    Go to Form you need to delete and click on it and confirm