diff --git a/src/Plugin/facetapi/facet_source/SearchApiViews.php b/src/Plugin/facetapi/facet_source/SearchApiViews.php
index 7be5c4d70278f10a3209196f4175141030b124cc..51add219e3602fc7b26f732f6a539e6df278e685 100644
--- a/src/Plugin/facetapi/facet_source/SearchApiViews.php
+++ b/src/Plugin/facetapi/facet_source/SearchApiViews.php
@@ -7,15 +7,14 @@
 
 namespace Drupal\facetapi\Plugin\facetapi\facet_source;
 
+use Drupal\Core\DependencyInjection\DependencySerializationTrait;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Drupal\facetapi\FacetInterface;
 use Drupal\facetapi\FacetSource\FacetSourceInterface;
 use Drupal\facetapi\FacetSource\FacetSourcePluginBase;
 use Drupal\search_api\Plugin\views\query\SearchApiQuery;
-use Drupal\views\Entity\View;
 use Drupal\views\Views;
-use Symfony\Component\DependencyInjection\ContainerInterface;
 
 
 /**
@@ -30,6 +29,8 @@ class SearchApiViews extends FacetSourcePluginBase {
 
   use StringTranslationTrait;
 
+  use DependencySerializationTrait;
+
   /**
    * The entity manager.
    *