I'm Anne. I've been preparing taxes for 28 years and I'll be happy to help you.
Here's the rule for whether or not rental property is considered a "business" or not:
If you provide a service with the property (housekeeping, etc) then it's a "business" and would need to be reported on a Schedule C
If you do not provide services, you only rent the property to the tenant , then you would report the rental income & expenses on a Schedule E
As for how to delete the incorrect one, you will need to go back to the first point of entry (normally where you would have answered any questions re: the rental property), and look for a question that asks if you provided service, etc.
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