public function killSoftDeletableListener()
    {
        foreach ($this->em->getEventManager()->getListeners() as $event => $listeners) {
            foreach ($listeners as $hash => $listener) {
                if ($listener instanceof SoftDeleteableListener) {
                    $listenerInst = $listener;
                    break 2;
                }
            }
        }

        $this->em->getEventManager()->removeEventListener(array('onFlush'), $listenerInst);
    }