$cache_backend->deleteAll();
}
- drupal_set_message($this->t('@language translation of %label was deleted', ['%label' => $this->mapper->getTitle(), '@language' => $this->language->getName()]));
+ $this->messenger()->addStatus($this->t('@language translation of %label was deleted', ['%label' => $this->mapper->getTitle(), '@language' => $this->language->getName()]));
$form_state->setRedirectUrl($this->getCancelUrl());
}