TurboTax programs, as a service to users, transfers pertinent information from last year's return into the current return. One thing that transfers in are sources of income. Did you have a Schedule C business in 2019? If so, you'll need to properly "dispose" of that business in TurboTax. See the instructions in the TurboTax FAQ linked below for deleting that Schedule C that transferred over.
How do I delete a prior-year Schedule C business that transferred over?
If you still have the issue with the 1099-NEC, you can delete that form specifically by following the instructions here ,
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***
