You will only see a delete button if that member has never:
Claimed their Account
(If they are utilizing their account for a different org or in a different profile, this will not be an option)
Completed a Registration
Been rostered to a team
Paid/Sent an Invoice
Done a background check
Submitted info to the National Governing Body
If the user has not completed the above, a Delete button will appear on their profile page.
To delete the profile:
Log in to SportsEngine HQ.
Click Members > Member Directory.
Search for the unused profile and click the user's name.
If the user is allowed to be deleted, you will see the delete button appear in the upper right-hand corner of the profile.