It is possible to delete a company user by clicking on Users > Company Users in the Side Menu
Then simply click on the icon
(Delete) on the left of the name of the user you want to delete:
and confirm by clicking on OK in the box that appears:
NB: the elimination of a company user does NOT involve the elimination of the tracking of the activities carried out by the user up to that moment (eg: created vacancies, comments, evaluations, status changes, etc ...).