You are not supposed to just delete Schedule C. If you filed a Schedule C last year, and are not filing it this year, there is a special procedure to delete the business that was transferred from the previous year. See the following FAQ.
How do I delete a prior-year Schedule C business that transferred over?
Can you just delete all the 1099-NEC forms that are in your tax return? When you had a 1099-MISC last year, TurboTax automatically creates a 1099-NEC for 2020. Here are the instructions for deleting forms in TurboTax Online.
How do I view and delete forms in TurboTax Online?
