...
Archiving the Workload Scheme:
Click the archive Archive button in the row of the corresponding scheme.
This will move the scheme to the archive, after which it will be possible to delete it.
The default schema and schemas that are bound to a user cannot be archived.
To archive a default scheme, first select a new default scheme, then you can archive the previous one.
To archive a scheme linked to a user, you must first unlink it from all users in the "Manage Users" menu.
...
You can restore or permanently delete the schema:
Click on the icon Restore button to restore the workload scheme.
Click on the icon Delete button to permanently delete the workload scheme and all data associated with it.
...