/**
  * {@inheritDoc}
  */
 public function remove(EntityInterface $entity)
 {
     /* @var $entity \PHPMentors\PageflowerBundle\Controller\ReflectionConversationalController */
     if (array_key_exists($entity->getClass()->getName(), $this->entities)) {
         unset($this->entities[$entity->getClass()->getName()]);
     }
 }