That shouldn't be on your return. What is it asking you for? Did you get divorced in 2023? You should start a brand new account for yourself and not transfer from last year. You can not remove a spouse or switch the order of names.
Online is only good for 1 return. But you can use the same email address for 5 accounts. Start another Online return here. Sign up and start a new account.
https://turbotax.intuit.com/personal-taxes/online
