diff --git a/core/modules/system/src/Tests/Installer/InstallerTranslationTest.php b/core/modules/system/src/Tests/Installer/InstallerTranslationTest.php
index 1ab8e5a0fa4..abecc2a16e1 100644
--- a/core/modules/system/src/Tests/Installer/InstallerTranslationTest.php
+++ b/core/modules/system/src/Tests/Installer/InstallerTranslationTest.php
@@ -8,6 +8,7 @@
 namespace Drupal\system\Tests\Installer;
 
 use Drupal\simpletest\InstallerTestBase;
+use Drupal\user\Entity\User;
 
 /**
  * Selects German as the installation language and verifies the following page
@@ -51,6 +52,11 @@ class InstallerTranslationTest extends InstallerTestBase {
     $this->assertUrl('user/1');
     $this->assertResponse(200);
 
+    $account = User::load(0);
+    $this->assertEqual($account->language()->getId(), 'de', 'Anonymous user is German.');
+    $account = User::load(1);
+    $this->assertEqual($account->language()->getId(), 'de', 'Administrator user is German.');
+
     // Ensure that we can enable basic_auth on a non-english site.
     $this->drupalPostForm('admin/modules', array('modules[Web services][basic_auth][enable]' => TRUE), t('Save configuration'));
     $this->assertResponse(200);
diff --git a/core/modules/user/user.install b/core/modules/user/user.install
index 134c251b93c..16978ca097e 100644
--- a/core/modules/user/user.install
+++ b/core/modules/user/user.install
@@ -65,15 +65,11 @@ function user_schema() {
  */
 function user_install() {
   $storage = \Drupal::entityManager()->getStorage('user');
-  // @todo Rely on the default value for langcode in
-  //   https://drupal.org/node/1966436
-  $langcode = \Drupal::languageManager()->getDefaultLanguage()->getId();
   // Insert a row for the anonymous user.
   $storage
     ->create(array(
       'uid' => 0,
       'status' => 0,
-      'langcode' => $langcode,
     ))
     ->save();
 
@@ -85,7 +81,6 @@ function user_install() {
       'name' => 'placeholder-for-uid-1',
       'mail' => 'placeholder-for-uid-1',
       'status' => TRUE,
-      'langcode' => $langcode,
     ))
     ->save();
 }