diff --git a/src/View/RegionViewBuilder.php b/src/View/RegionViewBuilder.php
index 5ebbb01..7672985 100644
--- a/src/View/RegionViewBuilder.php
+++ b/src/View/RegionViewBuilder.php
@@ -7,7 +7,6 @@ use Drupal\Core\Cache\CacheableMetadata;
 use Drupal\Core\Config\ConfigFactoryInterface;
 use Drupal\Core\Controller\TitleResolverInterface;
 use Drupal\Core\Entity\EntityTypeManagerInterface;
-use Drupal\Core\Extension\ThemeHandlerInterface;
 use Drupal\Core\Routing\RouteObjectInterface;
 use Drupal\Core\Theme\ThemeManagerInterface;
 use Symfony\Component\HttpFoundation\RequestStack;