public function removeSubtree($locationId)
{
$this->logger->logCall(__METHOD__, array('location' => $locationId));
$return = $this->persistenceHandler->locationHandler()->removeSubtree($locationId);
$this->cache->clear('location');
//TIMBER!
$this->cache->clear('content');
//TIMBER!
$this->cache->clear('user', 'role', 'assignments', 'byGroup');
return $return;
}