/**
  * {@inheritDoc}
  */
 public function remove(EntityInterface $entity)
 {
     /* @var $entity \PHPMentors\PageflowerBundle\Pageflow\Pageflow */
     if (array_key_exists($entity->getPageflowId(), $this->pageflows)) {
         unset($this->pageflows[$entity->getPageflowId()]);
     }
 }