diff --git a/core/core.services.yml b/core/core.services.yml
index f160803..61552c3 100644
--- a/core/core.services.yml
+++ b/core/core.services.yml
@@ -512,14 +512,6 @@ services:
     tags:
       - { name: event_subscriber }
     arguments: ['@module_handler']
-  config_global_override_subscriber:
-    class: Drupal\Core\EventSubscriber\ConfigGlobalOverrideSubscriber
-    tags:
-      - { name: event_subscriber }
-  config_import_subscriber:
-    class: Drupal\Core\EventSubscriber\ConfigImportSubscriber
-    tags:
-      - { name: event_subscriber }
   config_snapshot_subscriber:
     class: Drupal\Core\EventSubscriber\ConfigSnapshotSubscriber
     tags:
diff --git a/core/lib/Drupal/Core/EventSubscriber/ConfigGlobalOverrideSubscriber.php b/core/lib/Drupal/Core/EventSubscriber/ConfigGlobalOverrideSubscriber.php
deleted file mode 100644
index 02bf2cb..0000000
--- a/core/lib/Drupal/Core/EventSubscriber/ConfigGlobalOverrideSubscriber.php
+++ /dev/null
@@ -1,42 +0,0 @@
-<?php
-
-/**
- * @file
- * Contains \Drupal\Core\EventSubscriber\ConfigGlobalOverrideSubscriber.
- */
-
-namespace Drupal\Core\EventSubscriber;
-
-use Drupal\Core\Config\Config;
-use Drupal\Core\Config\ConfigEvent;
-use Symfony\Component\EventDispatcher\EventSubscriberInterface;
-
-/**
- * Defines a configuration global override for contexts.
- */
-class ConfigGlobalOverrideSubscriber implements EventSubscriberInterface {
-
-  /**
-   * Overrides configuration values with values in global $conf variable.
-   *
-   * @param \Drupal\Core\Config\ConfigEvent $event
-   *   The Event to process.
-   */
-  public function configInit(ConfigEvent $event) {
-    global $conf;
-
-    $config = $event->getConfig();
-    if (isset($conf[$config->getName()])) {
-      $config->setOverride($conf[$config->getName()]);
-    }
-  }
-
-  /**
-   * Implements EventSubscriberInterface::getSubscribedEvents().
-   */
-  static function getSubscribedEvents() {
-    $events['config.init'][] = array('configInit', 30);
-    return $events;
-  }
-
-}
diff --git a/core/lib/Drupal/Core/EventSubscriber/ConfigImportSubscriber.php b/core/lib/Drupal/Core/EventSubscriber/ConfigImportSubscriber.php
deleted file mode 100644
index ba54de3..0000000
--- a/core/lib/Drupal/Core/EventSubscriber/ConfigImportSubscriber.php
+++ /dev/null
@@ -1,48 +0,0 @@
-<?php
-
-/**
- * @file
- * Contains \Drupal\Core\EventSubscriber\ConfigImportSubscriber.
- */
-
-namespace Drupal\Core\EventSubscriber;
-
-use Drupal\Core\Config\Config;
-use Drupal\Core\Config\ConfigImporterEvent;
-use Symfony\Component\EventDispatcher\EventSubscriberInterface;
-
-
-/**
- * Config import subscriber for config import events.
- */
-class ConfigImportSubscriber implements EventSubscriberInterface {
-
-  /**
-   * Validates the configuration to be imported.
-   *
-   * @param \Drupal\Core\Config\ConfigImporterEvent $event
-   *   The Event to process.
-   *
-   * @throws \Drupal\Core\Config\ConfigNameException
-   */
-  public function onConfigImporterValidate(ConfigImporterEvent $event) {
-    foreach (array('delete', 'create', 'update') as $op) {
-      foreach ($event->getConfigImporter()->getUnprocessed($op) as $name) {
-        Config::validateName($name);
-      }
-    }
-  }
-
-  /**
-   * Registers the methods in this class that should be listeners.
-   *
-   * @return array
-   *   An array of event listener definitions.
-   */
-  static function getSubscribedEvents() {
-    $events['config.importer.validate'][] = array('onConfigImporterValidate', 40);
-    $events['config.installer.validate'][] = array('onConfigImporterValidate', 40);
-    return $events;
-  }
-
-}