You can delete Schedule C from your tax return. If you are using TurboTax Online, please follow the instructions in this TurboTax Help article to delete a form. If you are using TurboTax Desktop, please follow the instructions in this TurboTax Help article to delete a form. If you filed with TurboTax before, the program will keep some information. If this is the case, just look at your entries to make changes.
Keep in mind that if you filed with TurboTax in the past, the program will carry forward some information. If this is your case, review your entries to make necessary changes.
After you delete the Schedule C, you can re-enter your information again.