diff --git a/core/includes/common.inc b/core/includes/common.inc
index 6ea9bf9..11f8a9d 100644
--- a/core/includes/common.inc
+++ b/core/includes/common.inc
@@ -9,22 +9,30 @@
  */
 
 use Drupal\Component\Serialization\Json;
+use Drupal\Component\Serialization\Yaml;
+use Drupal\Component\Serialization\Exception\InvalidDataTypeException;
 use Drupal\Component\Utility\Bytes;
 use Drupal\Component\Utility\Crypt;
 use Drupal\Component\Utility\Html;
+use Drupal\Component\Utility\Number;
 use Drupal\Component\Utility\SafeMarkup;
 use Drupal\Component\Utility\SortArray;
 use Drupal\Component\Utility\String;
+use Drupal\Component\Utility\Tags;
 use Drupal\Component\Utility\UrlHelper;
 use Drupal\Core\Cache\Cache;
-use Drupal\Core\PhpStorage\PhpStorageFactory;
+use Drupal\Core\Language\LanguageInterface;
 use Drupal\Core\Site\Settings;
 use Drupal\Core\Url;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpFoundation\Request;
+use Drupal\Core\PhpStorage\PhpStorageFactory;
 use Drupal\Component\Utility\NestedArray;
+use Drupal\Core\Datetime\DrupalDateTime;
+use Drupal\Core\Routing\GeneratorNotInitializedException;
 use Drupal\Core\Template\Attribute;
 use Drupal\Core\Render\Element;
+use Drupal\Core\Session\AnonymousUserSession;
 
 /**
  * @defgroup php_wrappers PHP wrapper functions
diff --git a/core/modules/system/src/Tests/Extension/InfoParserUnitTest.php b/core/modules/system/src/Tests/Extension/InfoParserUnitTest.php
index 4669e03..8323a1e 100644
--- a/core/modules/system/src/Tests/Extension/InfoParserUnitTest.php
+++ b/core/modules/system/src/Tests/Extension/InfoParserUnitTest.php
@@ -81,7 +81,6 @@ public function testInfoParser() {
     $info_values = $this->infoParser->parse('core/modules/system/tests/fixtures/common_test.info.txt');
     $this->assertEqual($info_values['simple_string'], 'A simple string', 'Simple string value was parsed correctly.', 'System');
     $this->assertEqual($info_values['version'], \Drupal::VERSION, 'Constant value was parsed correctly.', 'System');
-    debug($info_values);
     $this->assertEqual($info_values['double_colon'], 'dummyClassName::foo', 'Value containing double-colon was parsed correctly.', 'System');
   }
 
diff --git a/core/modules/user/config/schema/user.views.schema.yml b/core/modules/user/config/schema/user.views.schema.yml
index 6089c6f..e1b83f3 100644
--- a/core/modules/user/config/schema/user.views.schema.yml
+++ b/core/modules/user/config/schema/user.views.schema.yml
@@ -70,10 +70,6 @@ views_field_user:
 views.field.user_language:
   type: views_field_user
   label: 'User language'
-  mapping:
-    link_to_node:
-      type: boolean
-      label: 'Link this field to its user'
 
 views.field.user_link:
   type: views_field