/** * {@inheritdoc} */ public function submitForm(array &$form, FormStateInterface $form_state) { $this->page->removeVariant($this->displayVariant->id()); $this->page->save(); drupal_set_message($this->t('The display variant %name has been removed.', ['%name' => $this->displayVariant->label()])); $form_state->setRedirectUrl($this->getCancelUrl()); }