When you delete an employee from the onboardees / offboardees list, you are not deleting this person from the app. You are only removing her from the onboardees / offboardees list:
In order to have this person completely deleted from the app, you have to delete her from the user's list:
If you want more information about onboarding/offboarding period and deletion period, don't hesitate to check this article: What is the onboarding / offboarding period and how do I set this?
If you still have questions after reading this article, don't hesitate to contact us by submitting a ticket.
We're always happy to help ! :)