diff --git a/core/modules/book/src/BookManager.php b/core/modules/book/src/BookManager.php
index c7059cd..e0587c3 100644
--- a/core/modules/book/src/BookManager.php
+++ b/core/modules/book/src/BookManager.php
@@ -719,7 +719,6 @@ public function saveBookLink(array $link, $new) {
     $link += $this->getLinkDefaults($link['nid']);
     if ($new) {
       // Insert new.
-      $link += $this->getBookParents($link, (array) $this->loadBookLink($link['pid'], FALSE));
       $parents = $this->getBookParents($link, (array) $this->loadBookLink($link['pid'], FALSE));
       $this->bookStorage->insert($link, $parents);
 
diff --git a/core/modules/book/tests/src/BookManagerTest.php b/core/modules/book/tests/src/BookManagerTest.php
index f7bd248..7fcdaff 100644
--- a/core/modules/book/tests/src/BookManagerTest.php
+++ b/core/modules/book/tests/src/BookManagerTest.php
@@ -56,6 +56,13 @@ class BookManagerTest extends UnitTestCase {
   protected $bookManager;
 
   /**
+   * Book Storage.
+   *
+   * @var BookStorageInterface
+   */
+  protected $bookStorage;
+
+  /**
    * {@inheritdoc}
    */
   public static function getInfo() {
@@ -76,7 +83,8 @@ protected function setUp() {
     $this->entityManager = $this->getMock('Drupal\Core\Entity\EntityManagerInterface');
     $this->translation = $this->getStringTranslationStub();
     $this->configFactory = $this->getConfigFactoryStub(array());
-    $this->bookManager = new BookManager($this->connection, $this->entityManager, $this->translation, $this->configFactory);
+    $this->bookStorage = $this->getMock('Drupal\book\BookStorageInterface');
+    $this->bookManager = new BookManager($this->connection, $this->entityManager, $this->translation, $this->configFactory, $this->bookStorage);
   }
 
   /**