diff --git a/core/modules/system/lib/Drupal/system/Controller/ConfigController.php b/core/modules/system/lib/Drupal/system/Controller/ConfigController.php
new file mode 100644
index 0000000..c51ed2b
--- /dev/null
+++ b/core/modules/system/lib/Drupal/system/Controller/ConfigController.php
@@ -0,0 +1,69 @@
+<?php
+
+/**
+ * @file
+ * Definition of Drupal\system\Controller\ConfigController.
+ */
+
+namespace Drupal\system\Controller;
+
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * Controller for system configuration page.
+ */
+class ConfigController {
+  /**
+   * Menu callback; Provide the administration overview page.
+   */
+  public function getPage() {
+    // Check for status report errors.
+    if (system_status(TRUE) && user_access('administer site configuration')) {
+      drupal_set_message(t('One or more problems were detected with your Drupal installation. Check the <a href="@status">status report</a> for more information.', array('@status' => url('admin/reports/status'))), 'error');
+    }
+    $blocks = array();
+    if ($system_link = entity_load_multiple_by_properties('menu_link', array('link_path' => 'admin/config', 'module' => 'system'))) {
+      $system_link = reset($system_link);
+      $query = Drupal::entityQuery('menu_link')
+        ->condition('link_path', 'admin/help', '<>')
+        ->condition('menu_name', $system_link->menu_name)
+        ->condition('plid', $system_link->id())
+        ->condition('hidden', 0);
+      $result = $query->execute();
+      if (!empty($result)) {
+        $menu_links = menu_link_load_multiple($result);
+
+        foreach ($menu_links as $item) {
+          _menu_link_translate($item);
+          if (!$item['access']) {
+            continue;
+          }
+          // The link description, either derived from 'description' in hook_menu()
+          // or customized via menu module is used as title attribute.
+          if (!empty($item['localized_options']['attributes']['title'])) {
+            $item['description'] = $item['localized_options']['attributes']['title'];
+            unset($item['localized_options']['attributes']['title']);
+          }
+          $block = $item;
+          $block['content'] = '';
+          $block['content'] .= theme('admin_block_content', array('content' => system_admin_menu_block($item)));
+          if (!empty($block['content'])) {
+            $block['show'] = TRUE;
+          }
+
+          // Prepare for sorting as in function _menu_tree_check_access().
+          // The weight is offset so it is always positive, with a uniform 5-digits.
+          $blocks[(50000 + $item['weight']) . ' ' . $item['title'] . ' ' . $item['mlid']] = $block;
+        }
+      }
+    }
+    if ($blocks) {
+      ksort($blocks);
+      return theme('admin_page', array('blocks' => $blocks));
+    }
+    else {
+      return t('You do not have any administrative items.');
+    }
+  }
+
+}
diff --git a/core/modules/system/system.admin.inc b/core/modules/system/system.admin.inc
index d344d37..430814c 100644
--- a/core/modules/system/system.admin.inc
+++ b/core/modules/system/system.admin.inc
@@ -13,59 +13,6 @@
 use Drupal\Core\Datetime\DrupalDateTime;
 
 /**
- * Menu callback; Provide the administration overview page.
- */
-function system_admin_config_page() {
-  // Check for status report errors.
-  if (system_status(TRUE) && user_access('administer site configuration')) {
-    drupal_set_message(t('One or more problems were detected with your Drupal installation. Check the <a href="@status">status report</a> for more information.', array('@status' => url('admin/reports/status'))), 'error');
-  }
-  $blocks = array();
-  if ($system_link = entity_load_multiple_by_properties('menu_link', array('link_path' => 'admin/config', 'module' => 'system'))) {
-    $system_link = reset($system_link);
-    $query = Drupal::entityQuery('menu_link')
-      ->condition('link_path', 'admin/help', '<>')
-      ->condition('menu_name', $system_link->menu_name)
-      ->condition('plid', $system_link->id())
-      ->condition('hidden', 0);
-    $result = $query->execute();
-    if (!empty($result)) {
-      $menu_links = menu_link_load_multiple($result);
-
-      foreach ($menu_links as $item) {
-        _menu_link_translate($item);
-        if (!$item['access']) {
-          continue;
-        }
-        // The link description, either derived from 'description' in hook_menu()
-        // or customized via menu module is used as title attribute.
-        if (!empty($item['localized_options']['attributes']['title'])) {
-          $item['description'] = $item['localized_options']['attributes']['title'];
-          unset($item['localized_options']['attributes']['title']);
-        }
-        $block = $item;
-        $block['content'] = '';
-        $block['content'] .= theme('admin_block_content', array('content' => system_admin_menu_block($item)));
-        if (!empty($block['content'])) {
-          $block['show'] = TRUE;
-        }
-
-        // Prepare for sorting as in function _menu_tree_check_access().
-        // The weight is offset so it is always positive, with a uniform 5-digits.
-        $blocks[(50000 + $item['weight']) . ' ' . $item['title'] . ' ' . $item['mlid']] = $block;
-      }
-    }
-  }
-  if ($blocks) {
-    ksort($blocks);
-    return theme('admin_page', array('blocks' => $blocks));
-  }
-  else {
-    return t('You do not have any administrative items.');
-  }
-}
-
-/**
  * Provide a single block from the administration menu as a page.
  *
  * This function is often a destination for these blocks.
diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index 08160b7..857eaa7 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -784,15 +784,6 @@ function system_menu() {
     'file' => 'system.admin.inc',
   );
 
-  // Configuration.
-  $items['admin/config'] = array(
-    'title' => 'Configuration',
-    'description' => 'Administer settings.',
-    'page callback' => 'system_admin_config_page',
-    'access arguments' => array('access administration pages'),
-    'file' => 'system.admin.inc',
-  );
-
   // Media settings.
   $items['admin/config/media'] = array(
     'title' => 'Media',
diff --git a/core/modules/system/system.routing.yml b/core/modules/system/system.routing.yml
index b285844..6a67ddd 100644
--- a/core/modules/system/system.routing.yml
+++ b/core/modules/system/system.routing.yml
@@ -73,3 +73,10 @@ system_site_maintenance_mode:
     _form: 'Drupal\system\Form\SiteMaintenanceModeForm'
   requirements:
     _permission: 'administer site configuration'
+
+system_admin_config:
+  pattern: '/admin/config'
+  defaults:
+    _controller: 'Drupal\system\Controller\ConfigController::getPage'
+  requirements:
+    _permission: 'access administration pages'