How to delete an amended return and start over

How to cancel or undo an Amended return
https://ttlc.intuit.com/community/amending/help/how-do-i-cancel-or-undo-an-amended-return-in-turbotax-online/00/26315

I followed these steps and it will not delete my amended information to start over

After you delete it then you need to manually take out the changes you made to put your return back to the original return.

Or Contact Customer Service
5am-5pm Pacific Time
Monday-Friday
https://support.turbotax.intuit.com/contact/

What is the Turbo Tax phone number
https://ttlc.intuit.com/community/using-turbotax/help/what-is-the-turbotax-phone-number/00/25632