diff -u b/simplenews.api.php b/simplenews.api.php
--- b/simplenews.api.php
+++ b/simplenews.api.php
@@ -6,7 +6,6 @@
  */
 
 use Drupal\simplenews\NewsletterInterface;
-use Drupal\simplenews\SubscriberInterface;
 use Drupal\simplenews\Spool\SpoolStorageInterface;
 use Drupal\simplenews\SubscriberInterface;