Procedure
To remove users from a group, proceed as follows:
Click the Apps icon in the top bar
and select Administration.
Result: The Administration module appears.Click Groups in the menu on the left-hand side.
Result: The list of available groups is displayed.Click on the group you want to remove users from.
Result: The details page of the group appears.Click the trash can icon next to the user you want to remove from this group.
Result: The Remove user from group window appears.Click Remove User.
Result: The selected user has been removed from this group.