In order to delete that income category, you can delete the corresponding income form that was created in TurboTax. You can do this in the delete forms area of TurboTax
- Login to your TurboTax online account
- Click the orange Take me to my return button.
- In the upper right corner, click My Account, then click Tools.
- In the pop-up window, Click Delete a form.
- Scroll down and click Delete next to the form/schedule/worksheet that is related to the income you want to delete.