public function action_admin_header($theme)
  {
    if ($theme->page == 'publish' && isset($theme->form->silos)) {
      $silos = $theme->form->silos->silos;
      $target = NULL;
      foreach ($silos as $index => $silo) {
        if ($silo->basename == 'Habari') $target = ($index);
      }   
      if ($target !== NULL) unset($silos[$target]);
      $theme->form->silos->silos = $silos;
    }   
  }