It sounds like some info probably transferred from a previous year. You can use the steps below to remove the Schedule C.
To delete Schedule C in TurboTax
Online:
1.
Go to "My Account" in the top right corner
2.
Select "Tools"
3.
Under "Tools Center" select "Delete a Form"
4.
Navigate to "Schedule C" and select "Delete"
next to it
If that does not work, try this:
1.
Go to the search bar in the top right corner
2.
Enter "Schedule C"
3.
Select "Jump to Schedule C"
4.
Answer "No" to "Did you have any income and expenses
for a business in 2016?"
https://ttlc.intuit.com/replies/3300011
