Deductions & credits

...OR...when you bring up that sheet again, you can hit the Delete at the top of the form, and not deal with that underlying (Supporting Details) sheet in the future.

 

That particular annoyance can crop up in some other sections too, usually where you see an entry field with a "$0" showing, and not a simple "$" at the start of the entry field.

____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*