Delete spousal return from my 2024 filing

Can anyone help me...  I am using Turbo Tax 2024 online version (free0ne at moment)..  I want to either delete the entire return and start over or at minimum remove my wifes filing from it...  I have not sent it to the CRA...

Turbo Tax does not seem to allow me to do either   I would like to delete the entire return and start over....  Can anyone help me please....

 

Thank-you