Use the Roster Cleanup tool to remove from your Roster members that are not assigned to roles.
Deletion is permanent. There is no way to recover deleted members.
Cleaning Up Your Roster
- Go to your Organization's dashboard.
- Click the ROSTER tab.
- Click the Additional Roster Options button.
A pop-up menu appears.
4. Select Roster Cleanup.
Deleting Members From Your Roster
- Put a checkmark in the checkbox next to the names you wish to delete.
- Click the Delete link.
A pop-up message appears.
3. Click YES.
This is a permanent deletion.
Here's a quick video: