How can i remove or delete Users in the Webinterface?

Hello,

how can I remove or delete Users in the Webinterface http://192.168.1.2/userman of the Usermanager?
I can not find a remove or delete Button.
Where is this?
Usermanager_remove-or-delete-Button_01.png
In this Video https://www.youtube.com/watch?v=blEGv5i-aO4 “Mikrotik User manager Prepaid Billing System with Hotspot.” I can see a Remove-Button at time 9.05.
Usermanager_remove-or-delete-Button_02.png
Why did I not ?

Many Thanks for your help.

Hi
maybe your account is a limited account