Not sure how it got into yours, unless you somehow started with her copy...or entered IA in there somewhere...
BUT...anyhow.
1) Open your file.
2) Go to the upper left corner and select <<File
3) From the Pull down menu...select <<Remove state Return.
4) select the IA return from the pop-up and delete it.
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*