It depends. If you imported your transactions, something could be incorrect or missed. You should check the 1099-B entries to verify reported categories and eliminate any stray entries. Make sure you entered everything correctly.
If you don't need any Form 1099-B's you can delete the Form.
To delete a Form 1099-B
- From the Menu, select: Tax Tools>Tools>Delete a form.
- Select Delete next to the form/schedule/worksheet and follow the onscreen instructions.
OR
To edit a Form 1099-B
- Sign in to TurboTax
- Select "Take me to my return"
- Type "Form 1099-B" in the "Search" option and press enter
- Click on "Jump to 1099-B"
- Select "Yes" on the "Did you sell any investments in 2017?" screen
- Click "Edit" on the "Here's the investment sales info we have so far" screen to edit.
