They asked one here

https://proconnect.intuit.com/community/proconnect-tax-discussions/discussion/can-you-delete-a-4852-...

I dont speak PTO though, so I have no clue.

Facebook does have a ProConnect Tax Online group that's Admin'd by Intuit employees, if you're a FB user, might be worth joining....not many people in this group speak PTO 

https://www.facebook.com/groups/1529270910639612