To get back there and delete your 1099-R:
The easiest way to delete an unwanted or duplicate 1099-R is from the Your 1099-R Entries screen.
- Open (continue) return if you don't already have it open.
- Inside TurboTax, search for 1099-R or 1099R (lower-case works too) and then click or tap the "Jump to" link in the search results.
- This will take you to the Your 1099-R Entries screen.
- Select Delete next to the unwanted 1099-R and then answer Yes on the following screen.
- Then continue to the next page or section, this should remove it..
Screen shot attached .
If you need to enter a 1099-SSA please review the below FAQ :
https://ttlc.intuit.com/replies/4767455