There may be a need to remove users from a user group to revoke access to a particular asset. To remove user from a static user group, follow the given steps:
Login to the portal as an administrator.
Click on Manage → User Group
Click on :Action_button: icon located in front of the user group from which you want to remove user
Click on the Linked Users, deselect the users to remove from the static group.
Click on Remove Selected Users to save your selection.