You should have reported the mortgage interest and property taxes paid for the second home in the Deductions & Credits section under Your Home and on Mortgage Interest, Refinancing and Insurance
At no time should have ever selected Rentals and Royalty Properties in the Wages & Income section.
If you are using the TurboTax desktop CD/Download editions, click on Forms. When in Forms mode see if there is a Schedule E listed on the left side of the screen. If so, click the schedule to open and delete the schedule by clicking on Delete Form at the bottom of the screen.
