Administrators can delete users in Inspera Assessment.

Chose the user to be deleted and click on "Delete". You will be presented with a warning that deleting the user cannot be undone, and you have to confirm that you understand before you can delete the user.

This action cannot be undone. 
Any content produced by the deleted user will be marked with deleted user.

It will take a few minutes for the user to be completely deleted and all lists to be updated.