protected function unlockPage()
	{
		$this->isPostRequest();

		$localization = $this->getPageLocalization();

		if ($localization->isLocked()) {

			$lock = $localization->getLock();

			$entityManager = $this->getEntityManager();

			$localization->setLock(null);
			$entityManager->remove($lock);

			$entityManager->flush();
		}
	}