Remove a user or group from a space when you no longer
  want them to have access to the content within that
  space.
    - 
        Navigate to the space whose users you want to manage.
        
The space header displays the name and details of the selected space.
 - In the More Actions menu, click Manage Space Users.
 - 
        On the Manage Space Users page, click 
(Remove) for the user or group you want to
        remove.
        In this list, the icon
 to the left of the name indicates a
        user; the icon 
        indicates a group. - On the Remove User page, click Yes to confirm the action.
 - Click Close to return to the current space.