diff --git a/core/modules/book/tests/src/Unit/BookManagerTest.php b/core/modules/book/tests/src/Unit/BookManagerTest.php
index 40ee4636e5..d37b0fceac 100644
--- a/core/modules/book/tests/src/Unit/BookManagerTest.php
+++ b/core/modules/book/tests/src/Unit/BookManagerTest.php
@@ -5,7 +5,6 @@
 use Drupal\book\BookManager;
 use Drupal\Core\Entity\EntityTypeManagerInterface;
 use Drupal\Tests\UnitTestCase;
-use Drupal\Core\DependencyInjection\ContainerBuilder;
 
 /**
  * @coversDefaultClass \Drupal\book\BookManager
@@ -55,26 +54,16 @@ class BookManagerTest extends UnitTestCase {
    */
   protected $bookOutlineStorage;
 
-  /**
-   * The cache service.
-   *
-   * @var \Drupal\Core\Cache\CacheBackendInterface
-   */
-  protected $cache;
-
   /**
    * {@inheritdoc}
    */
   protected function setUp(): void {
-    $container = new ContainerBuilder();
     $this->entityTypeManager = $this->createMock(EntityTypeManagerInterface::class);
     $this->translation = $this->getStringTranslationStub();
     $this->configFactory = $this->getConfigFactoryStub([]);
     $this->bookOutlineStorage = $this->createMock('Drupal\book\BookOutlineStorageInterface');
     $this->renderer = $this->createMock('\Drupal\Core\Render\RendererInterface');
-    $container->set('cache.data', $this->createMock('\Drupal\Core\Cache\CacheBackendInterface'));
-    $this->cache = $this->createMock('\Drupal\Core\Cache\CacheBackendInterface');
-    $this->bookManager = new BookManager($this->entityTypeManager, $this->translation, $this->configFactory, $this->bookOutlineStorage, $this->renderer, $this->cache);
+    $this->bookManager = new BookManager($this->entityTypeManager, $this->translation, $this->configFactory, $this->bookOutlineStorage, $this->renderer);
   }
 
   /**