diff --git a/core/authorize.php b/core/authorize.php
index c533618..d204491 100644
--- a/core/authorize.php
+++ b/core/authorize.php
@@ -75,9 +75,9 @@ function authorize_access_allowed() {
 // display errors via the maintenance theme.
 $module_list['system'] = 'core/modules/system/system.module';
 $module_list['user'] = 'core/modules/user/user.module';
-drupal_container()->get('module_handler')->setModuleList($module_list);
-drupal_container()->get('module_handler')->load('system');
-drupal_container()->get('module_handler')->load('user');
+Drupal::moduleHandler()->setModuleList($module_list);
+Drupal::moduleHandler()->load('system');
+Drupal::moduleHandler()->load('user');
 
 // Initialize the language system.
 drupal_language_initialize();
diff --git a/core/includes/bootstrap.inc b/core/includes/bootstrap.inc
index e1c15fe..47ce218 100644
--- a/core/includes/bootstrap.inc
+++ b/core/includes/bootstrap.inc
@@ -900,7 +900,7 @@ function drupal_get_filename($type, $name, $filename = NULL) {
     if (($container = drupal_container()) && $container->has('keyvalue') && function_exists('db_query')) {
       if ($type == 'module') {
         if (empty($files[$type])) {
-          $files[$type] = drupal_container()->get('module_handler')->getModuleList();
+          $files[$type] = Drupal::moduleHandler()->getModuleList();
         }
         if (isset($files[$type][$name])) {
           return $files[$type][$name];
@@ -1148,7 +1148,7 @@ function drupal_page_is_cacheable($allow_caching = NULL) {
  * @see bootstrap_hooks()
  */
 function bootstrap_invoke_all($hook) {
-  $module_handler = drupal_container()->get('module_handler');
+  $module_handler = Drupal::moduleHandler();
   foreach ($module_handler->getBootstrapModules() as $module) {
     $module_handler->load($module);
     module_invoke($module, $hook);
@@ -1169,8 +1169,8 @@ function bootstrap_invoke_all($hook) {
  *   TRUE if the item is loaded or has already been loaded.
  */
 function drupal_load($type, $name) {
-  if ($type == 'module' && drupal_container()->get('module_handler')->moduleExists($name)) {
-    return drupal_container()->get('module_handler')->load($name);
+  if ($type == 'module' && Drupal::moduleHandler()->moduleExists($name)) {
+    return Drupal::moduleHandler()->load($name);
   }
 
   // Once a file is included this can't be reversed during a request so do not
@@ -2418,7 +2418,7 @@ function _drupal_bootstrap_variables() {
   $conf = variable_initialize(isset($conf) ? $conf : array());
   // Load bootstrap modules.
   require_once DRUPAL_ROOT . '/core/includes/module.inc';
-  drupal_container()->get('module_handler')->loadBootstrapModules();
+  Drupal::moduleHandler()->loadBootstrapModules();
 }
 
 /**
@@ -2450,12 +2450,12 @@ function drupal_container() {
  * Returns the list of enabled modules.
  *
  * @deprecated as of Drupal 8.0. Use
- *   drupal_container()->get('module_handler')->getModuleList().
+ *   Drupal::moduleHandler()->getModuleList().
  *
  * @see \Drupal\Core\Extension\ModuleHandler::getModuleList()
  */
 function module_list() {
-  $modules = array_keys(drupal_container()->get('module_handler')->getModuleList());
+  $modules = array_keys(Drupal::moduleHandler()->getModuleList());
   return array_combine($modules, $modules);
 }
 
@@ -2463,19 +2463,19 @@ function module_list() {
  * Determines which modules are implementing a hook.
  *
  * @deprecated as of Drupal 8.0. Use
- *   drupal_container()->get('module_handler')->getImplementations($hook).
+ *   Drupal::moduleHandler()->getImplementations($hook).
  *
  * @see \Drupal\Core\Extension\ModuleHandler::getImplementations()
  */
 function module_implements($hook) {
-  return drupal_container()->get('module_handler')->getImplementations($hook);
+  return Drupal::moduleHandler()->getImplementations($hook);
 }
 
 /**
  * Invokes a hook in a particular module.
  *
  * @deprecated as of Drupal 8.0. Use
- *   drupal_container()->get('module_handler')->invoke($module, $hook, $args = array()).
+ *   Drupal::moduleHandler()->invoke($module, $hook, $args = array()).
  *
  * @see \Drupal\Core\Extension\ModuleHandler::invoke()
  */
@@ -2483,14 +2483,14 @@ function module_invoke($module, $hook) {
   $args = func_get_args();
   // Remove $module and $hook from the arguments.
   unset($args[0], $args[1]);
-  return drupal_container()->get('module_handler')->invoke($module, $hook, $args);
+  return Drupal::moduleHandler()->invoke($module, $hook, $args);
 }
 
 /**
  * Invokes a hook in all enabled modules that implement it.
  *
  * @deprecated as of Drupal 8.0. Use
- *   drupal_container()->get('module_handler')->invokeAll($hook).
+ *   Drupal::moduleHandler()->invokeAll($hook).
  *
  * @see \Drupal\Core\Extension\ModuleHandler::invokeAll()
  */
@@ -2498,43 +2498,43 @@ function module_invoke_all($hook) {
   $args = func_get_args();
   // Remove $hook from the arguments.
   array_shift($args);
-  return drupal_container()->get('module_handler')->invokeAll($hook, $args);
+  return Drupal::moduleHandler()->invokeAll($hook, $args);
 }
 
 /**
  * Passes alterable variables to specific hook_TYPE_alter() implementations.
  *
  * @deprecated as of Drupal 8.0. Use
- *   drupal_container()->get('module_handler')->alter($hook).
+ *   Drupal::moduleHandler()->alter($hook).
  *
  * @see \Drupal\Core\Extension\ModuleHandler::alter()
  */
 function drupal_alter($type, &$data, &$context1 = NULL, &$context2 = NULL) {
-  return drupal_container()->get('module_handler')->alter($type, $data, $context1, $context2);
+  return Drupal::moduleHandler()->alter($type, $data, $context1, $context2);
 }
 
 /**
  * Determines whether a given module exists.
  *
  * @deprecated as of Drupal 8.0. Use
- *   drupal_container()->get('module_handler')->moduleExists($hook).
+ *   Drupal::moduleHandler()->moduleExists($hook).
  *
  * @see \Drupal\Core\Extension\ModuleHandler::moduleExists()
  */
 function module_exists($module) {
-  return drupal_container()->get('module_handler')->moduleExists($module);
+  return Drupal::moduleHandler()->moduleExists($module);
 }
 
 /**
  * Determines whether a module implements a hook.
  *
  * @deprecated as of Drupal 8.0. Use
- *   drupal_container()->get('module_handler')->implementsHook($module, $hook).
+ *   Drupal::moduleHandler()->implementsHook($module, $hook).
  *
  * @see \Drupal\Core\Extension\ModuleHandler::implementsHook()
  */
 function module_hook($module, $hook) {
-  return drupal_container()->get('module_handler')->implementsHook($module, $hook);
+  return Drupal::moduleHandler()->implementsHook($module, $hook);
 }
 
 /**
diff --git a/core/includes/common.inc b/core/includes/common.inc
index 86fc44a..5f3ce53 100644
--- a/core/includes/common.inc
+++ b/core/includes/common.inc
@@ -4878,7 +4878,7 @@ function _drupal_bootstrap_code() {
   require_once DRUPAL_ROOT . '/core/includes/entity.inc';
 
   // Load all enabled modules
-  drupal_container()->get('module_handler')->loadAll();
+  Drupal::moduleHandler()->loadAll();
 
   // Make sure all stream wrappers are registered.
   file_get_stream_wrappers();
@@ -6392,7 +6392,7 @@ function drupal_flush_all_caches() {
 
   // Ensure that all modules that are currently supposed to be enabled are
   // actually loaded.
-  drupal_container()->get('module_handler')->loadAll();
+  Drupal::moduleHandler()->loadAll();
 
   // Update the list of bootstrap modules.
   // Allows developers to get new bootstrap hooks implementations registered
diff --git a/core/includes/install.core.inc b/core/includes/install.core.inc
index bb8f247..2538010 100644
--- a/core/includes/install.core.inc
+++ b/core/includes/install.core.inc
@@ -399,7 +399,7 @@ function install_begin_request(&$install_state) {
 
   require_once DRUPAL_ROOT . '/core/includes/ajax.inc';
 
-  $module_handler = drupal_container()->get('module_handler');
+  $module_handler = Drupal::moduleHandler();
   if (!$module_handler->moduleExists('system')) {
     // Override the module list with a minimal set of modules.
     $module_handler->setModuleList(array('system' => 'core/modules/system/system.module'));
diff --git a/core/includes/install.inc b/core/includes/install.inc
index 4fc640f..0fdfc9b 100644
--- a/core/includes/install.inc
+++ b/core/includes/install.inc
@@ -643,7 +643,7 @@ function drupal_install_system() {
     ->save();
 
   // Update the module list to include it.
-  drupal_container()->get('module_handler')->setModuleList(array('system' => $system_path . '/system.module'));
+  Drupal::moduleHandler()->setModuleList(array('system' => $system_path . '/system.module'));
 
   config_install_default_config('module', 'system');
 
diff --git a/core/includes/menu.inc b/core/includes/menu.inc
index e59615c..69caeb0 100644
--- a/core/includes/menu.inc
+++ b/core/includes/menu.inc
@@ -2051,7 +2051,7 @@ function menu_local_tasks($level = 0) {
     $data['tabs'] = $tabs;
 
     // Allow modules to dynamically add further tasks.
-    $module_handler = drupal_container()->get('module_handler');
+    $module_handler = Drupal::moduleHandler();
     foreach ($module_handler->getImplementations('menu_local_tasks') as $module) {
       $function = $module . '_menu_local_tasks';
       $function($data, $router_item, $root_path);
diff --git a/core/includes/module.inc b/core/includes/module.inc
index 99eac78..f28cffd 100644
--- a/core/includes/module.inc
+++ b/core/includes/module.inc
@@ -287,7 +287,7 @@ function module_enable($module_list, $enable_dependencies = TRUE) {
   $schema_store = drupal_container()->get('keyvalue')->get('system.schema');
   $module_config = config('system.module');
   $disabled_config = config('system.module.disabled');
-  $module_handler = drupal_container()->get('module_handler');
+  $module_handler = Drupal::moduleHandler();
   foreach ($module_list as $module) {
     // Only process modules that are not already enabled.
     // A module is only enabled if it is configured as enabled. Custom or
@@ -463,7 +463,7 @@ function module_disable($module_list, $disable_dependents = TRUE) {
 
   $module_config = config('system.module');
   $disabled_config = config('system.module.disabled');
-  $module_handler = drupal_container()->get('module_handler');
+  $module_handler = Drupal::moduleHandler();
   foreach ($module_list as $module) {
     // Only process modules that are enabled.
     // A module is only enabled if it is configured as enabled. Custom or
@@ -663,7 +663,7 @@ function module_set_weight($module, $weight) {
 
     // Prepare the new module list, sorted by weight, including filenames.
     // @see module_enable()
-    $module_handler = drupal_container()->get('module_handler');
+    $module_handler = Drupal::moduleHandler();
     $current_module_filenames = $module_handler->getModuleList();
     $current_modules = array_fill_keys(array_keys($current_module_filenames), 0);
     $current_modules = module_config_sort(array_merge($current_modules, $module_config->get('enabled')));
diff --git a/core/includes/schema.inc b/core/includes/schema.inc
index e599923..48d15c2 100644
--- a/core/includes/schema.inc
+++ b/core/includes/schema.inc
@@ -77,7 +77,7 @@ function drupal_get_complete_schema($rebuild = FALSE) {
     else {
       $schema = array();
       // Load the .install files to get hook_schema.
-      drupal_container()->get('module_handler')->loadAllIncludes('install');
+      Drupal::moduleHandler()->loadAllIncludes('install');
 
       require_once DRUPAL_ROOT . '/core/includes/common.inc';
       // Invoke hook_schema for all modules.
@@ -121,7 +121,7 @@ function drupal_get_schema_versions($module) {
   $updates = &drupal_static(__FUNCTION__, NULL);
   if (!isset($updates[$module])) {
     $updates = array();
-    foreach (drupal_container()->get('module_handler')->getModuleList() as $loaded_module => $filename) {
+    foreach (Drupal::moduleHandler()->getModuleList() as $loaded_module => $filename) {
       $updates[$loaded_module] = array();
     }
 
diff --git a/core/includes/theme.inc b/core/includes/theme.inc
index 8d527df..53ff529 100644
--- a/core/includes/theme.inc
+++ b/core/includes/theme.inc
@@ -368,14 +368,14 @@ function _theme_load_registry($theme, $base_theme = NULL, $theme_engine = NULL,
       $registry = _theme_build_registry($theme, $base_theme, $theme_engine);
       // Only persist this registry if all modules are loaded. This assures a
       // complete set of theme hooks.
-      if (drupal_container()->get('module_handler')->isLoaded()) {
+      if (Drupal::moduleHandler()->isLoaded()) {
         _theme_save_registry($theme, $registry);
       }
     }
     return $registry;
   }
   else {
-    return new ThemeRegistry('theme_registry:runtime:' . $theme->name, 'cache', array('theme_registry' => TRUE), drupal_container()->get('module_handler')->isLoaded());
+    return new ThemeRegistry('theme_registry:runtime:' . $theme->name, 'cache', array('theme_registry' => TRUE), Drupal::moduleHandler()->isLoaded());
   }
 }
 
@@ -547,7 +547,7 @@ function _theme_process_registry(&$cache, $name, $type, $theme, $path) {
             // Add all modules so they can intervene with their own variable
             // processors. This allows them to provide variable processors even
             // if they are not the owner of the current hook.
-            $prefixes = array_merge($prefixes, array_keys(drupal_container()->get('module_handler')->getModuleList()));
+            $prefixes = array_merge($prefixes, array_keys(Drupal::moduleHandler()->getModuleList()));
           }
           elseif ($type == 'theme_engine' || $type == 'base_theme_engine') {
             // Theme engines get an extra set that come before the normally
@@ -643,7 +643,7 @@ function _theme_build_registry($theme, $base_theme, $theme_engine) {
       _theme_process_registry($cache, $module, 'module', $module, drupal_get_path('module', $module));
     }
     // Only cache this registry if all modules are loaded.
-    if (drupal_container()->get('module_handler')->isLoaded()) {
+    if (Drupal::moduleHandler()->isLoaded()) {
       cache()->set("theme_registry:build:modules", $cache, CacheBackendInterface::CACHE_PERMANENT, array('theme_registry' => TRUE));
     }
   }
@@ -964,7 +964,7 @@ function theme($hook, $variables = array()) {
   // If called before all modules are loaded, we do not necessarily have a full
   // theme registry to work with, and therefore cannot process the theme
   // request properly. See also _theme_load_registry().
-  if (!drupal_container()->get('module_handler')->isLoaded() && !defined('MAINTENANCE_MODE')) {
+  if (!Drupal::moduleHandler()->isLoaded() && !defined('MAINTENANCE_MODE')) {
     throw new Exception(t('theme() may not be called until all modules are loaded.'));
   }
 
diff --git a/core/includes/theme.maintenance.inc b/core/includes/theme.maintenance.inc
index 37775e6..04273aa 100644
--- a/core/includes/theme.maintenance.inc
+++ b/core/includes/theme.maintenance.inc
@@ -56,7 +56,7 @@ function _drupal_maintenance_theme() {
   // Ensure that system.module is loaded.
   if (!function_exists('_system_rebuild_theme_data')) {
     $module_list['system'] = 'core/modules/system/system.module';
-    $module_handler = drupal_container()->get('module_handler');
+    $module_handler = Drupal::moduleHandler();
     $module_handler->setModuleList($module_list);
     $module_handler->load('system');
   }
diff --git a/core/includes/update.inc b/core/includes/update.inc
index 6aea70f..4e07ff8 100644
--- a/core/includes/update.inc
+++ b/core/includes/update.inc
@@ -354,7 +354,7 @@ function update_prepare_d8_bootstrap() {
       // Populate a fixed module list (again, why did it get lost?) to avoid
       // errors due to the drupal_alter() in _system_rebuild_module_data().
       $module_list['system'] = 'core/modules/system/system.module';
-      drupal_container()->get('module_handler')->setModuleList($module_list);
+      Drupal::moduleHandler()->setModuleList($module_list);
       $module_data = _system_rebuild_module_data();
 
       // Migrate each extension into configuration, varying by the extension's
@@ -384,7 +384,7 @@ function update_prepare_d8_bootstrap() {
       foreach (array_keys($sorted_modules) as $m) {
         $sorted_with_filenames[$m] = drupal_get_filename('module', $m);
       }
-      drupal_container()->get('module_handler')->setModuleList($sorted_with_filenames);
+      Drupal::moduleHandler()->setModuleList($sorted_with_filenames);
       $disabled_modules->save();
       $theme_config->save();
       $disabled_themes->save();
diff --git a/core/lib/Drupal/Core/Entity/Field/Type/Field.php b/core/lib/Drupal/Core/Entity/Field/Type/Field.php
index 305fc1f..3f4be1e 100644
--- a/core/lib/Drupal/Core/Entity/Field/Type/Field.php
+++ b/core/lib/Drupal/Core/Entity/Field/Type/Field.php
@@ -158,7 +158,7 @@ public function access($operation = 'view', User $account = NULL) {
     // Invoke hook and collect grants/denies for field access from other
     // modules. Our default access flag is masked under the ':default' key.
     $grants = array(':default' => $access);
-    $hook_implementations = drupal_container()->get('module_handler')->getImplementations('entity_field_access');
+    $hook_implementations = Drupal::moduleHandler()->getImplementations('entity_field_access');
     foreach ($hook_implementations as $module) {
       $grants = array_merge($grants, array($module => module_invoke($module, 'entity_field_access', $operation, $this, $account)));
     }
diff --git a/core/modules/breakpoint/breakpoint.install b/core/modules/breakpoint/breakpoint.install
index cba7b1b..a419a9b 100644
--- a/core/modules/breakpoint/breakpoint.install
+++ b/core/modules/breakpoint/breakpoint.install
@@ -18,5 +18,5 @@ function breakpoint_enable() {
   _breakpoint_theme_enabled(array_keys($themes));
 
   // Import breakpoints from modules.
-  _breakpoint_modules_enabled(array_keys(drupal_container()->get('module_handler')->getModuleList()));
+  _breakpoint_modules_enabled(array_keys(Drupal::moduleHandler()->getModuleList()));
 }
diff --git a/core/modules/comment/comment.views.inc b/core/modules/comment/comment.views.inc
index ae0020a..e65b0a7 100644
--- a/core/modules/comment/comment.views.inc
+++ b/core/modules/comment/comment.views.inc
@@ -360,7 +360,7 @@ function comment_views_data() {
     ),
   );
 
-  if (drupal_container()->get('module_handler')->moduleExists('translation_entity')) {
+  if (Drupal::moduleHandler()->moduleExists('translation_entity')) {
     $data['comment']['translation_link'] = array(
       'title' => t('Translation link'),
       'help' => t('Provide a link to the translations overview for comments.'),
diff --git a/core/modules/field/field.module b/core/modules/field/field.module
index 00b25b4..71aa273 100644
--- a/core/modules/field/field.module
+++ b/core/modules/field/field.module
@@ -533,7 +533,7 @@ function field_modules_disabled($modules) {
 function field_sync_field_status() {
   // Refresh the 'active' and 'storage_active' columns according to the current
   // set of enabled modules.
-  $modules = array_keys(drupal_container()->get('module_handler')->getModuleList());
+  $modules = array_keys(Drupal::moduleHandler()->getModuleList());
   foreach ($modules as $module_name) {
     field_associate_fields($module_name);
   }
diff --git a/core/modules/layout/lib/Drupal/layout/Plugin/Derivative/Layout.php b/core/modules/layout/lib/Drupal/layout/Plugin/Derivative/Layout.php
index c5d0dde..f313b5a 100644
--- a/core/modules/layout/lib/Drupal/layout/Plugin/Derivative/Layout.php
+++ b/core/modules/layout/lib/Drupal/layout/Plugin/Derivative/Layout.php
@@ -59,7 +59,7 @@ public function getDerivativeDefinitions(array $base_plugin_definition) {
 
     // Add all modules as possible layout providers.
     // @todo Inject the module handler.
-    foreach (drupal_container()->get('module_handler')->getModuleList() as $module => $filename) {
+    foreach (\Drupal::moduleHandler()->getModuleList() as $module => $filename) {
       $available_layout_providers[$module] = array(
         'type' => 'module',
         'provider' => $module,
diff --git a/core/modules/node/node.views.inc b/core/modules/node/node.views.inc
index 7f19d43..4496c96 100644
--- a/core/modules/node/node.views.inc
+++ b/core/modules/node/node.views.inc
@@ -209,7 +209,7 @@ function node_views_data() {
     );
   }
 
-  if (drupal_container()->get('module_handler')->moduleExists('translation_entity')) {
+  if (Drupal::moduleHandler()->moduleExists('translation_entity')) {
     $data['node']['translation_link'] = array(
       'title' => t('Translation link'),
       'help' => t('Provide a link to the translations overview for nodes.'),
diff --git a/core/modules/simpletest/lib/Drupal/simpletest/Tests/DrupalUnitTestBaseTest.php b/core/modules/simpletest/lib/Drupal/simpletest/Tests/DrupalUnitTestBaseTest.php
index 3aeab60..07f4763 100644
--- a/core/modules/simpletest/lib/Drupal/simpletest/Tests/DrupalUnitTestBaseTest.php
+++ b/core/modules/simpletest/lib/Drupal/simpletest/Tests/DrupalUnitTestBaseTest.php
@@ -39,7 +39,7 @@ function testSetUp() {
     // Verify that specified $modules have been loaded.
     $this->assertTrue(function_exists('entity_test_permission'), "$module.module was loaded.");
     // Verify that there is a fixed module list.
-    $this->assertIdentical(array_keys(drupal_container()->get('module_handler')->getModuleList()), array($module));
+    $this->assertIdentical(array_keys(\Drupal::moduleHandler()->getModuleList()), array($module));
     $this->assertIdentical(module_implements('permission'), array($module));
 
     // Verify that no modules have been installed.
@@ -54,7 +54,7 @@ function testEnableModulesLoad() {
 
     // Verify that the module does not exist yet.
     $this->assertFalse(module_exists($module), "$module module not found.");
-    $list = array_keys(drupal_container()->get('module_handler')->getModuleList());
+    $list = array_keys(\Drupal::moduleHandler()->getModuleList());
     $this->assertFalse(in_array($module, $list), "$module module not found in the extension handler's module list.");
     $list = module_implements('permission');
     $this->assertFalse(in_array($module, $list), "{$module}_permission() in module_implements() not found.");
@@ -64,7 +64,7 @@ function testEnableModulesLoad() {
 
     // Verify that the module exists.
     $this->assertTrue(module_exists($module), "$module module found.");
-    $list = array_keys(drupal_container()->get('module_handler')->getModuleList());
+    $list = array_keys(\Drupal::moduleHandler()->getModuleList());
     $this->assertTrue(in_array($module, $list), "$module module found in the extension handler's module list.");
     $list = module_implements('permission');
     $this->assertTrue(in_array($module, $list), "{$module}_permission() in module_implements() found.");
@@ -79,7 +79,7 @@ function testEnableModulesInstall() {
 
     // Verify that the module does not exist yet.
     $this->assertFalse(module_exists($module), "$module module not found.");
-    $list = array_keys(drupal_container()->get('module_handler')->getModuleList());
+    $list = array_keys(\Drupal::moduleHandler()->getModuleList());
     $this->assertFalse(in_array($module, $list), "$module module not found in the extension handler's module list.");
     $list = module_implements('permission');
     $this->assertFalse(in_array($module, $list), "{$module}_permission() in module_implements() not found.");
@@ -93,7 +93,7 @@ function testEnableModulesInstall() {
 
     // Verify that the enabled module exists.
     $this->assertTrue(module_exists($module), "$module module found.");
-    $list = array_keys(drupal_container()->get('module_handler')->getModuleList());
+    $list = array_keys(\Drupal::moduleHandler()->getModuleList());
     $this->assertTrue(in_array($module, $list), "$module module found in the extension handler's module list.");
     $list = module_implements('permission');
     $this->assertTrue(in_array($module, $list), "{$module}_permission() in module_implements() found.");
diff --git a/core/modules/system/lib/Drupal/system/Tests/Module/ModuleApiTest.php b/core/modules/system/lib/Drupal/system/Tests/Module/ModuleApiTest.php
index 3de02ce..eb9d7d5 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Module/ModuleApiTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Module/ModuleApiTest.php
@@ -103,7 +103,7 @@ function testModuleImplements() {
     // cache, as that is expected to happen implicitly by setting the module
     // list. This verifies that the hook implementation cache is cleared
     // whenever setModuleList() is called.
-    $module_handler = drupal_container()->get('module_handler');
+    $module_handler = \Drupal::moduleHandler();
     $module_handler->invokeAll('test');
 
     // Make sure group include files are detected properly even when the file is
diff --git a/core/modules/system/lib/Drupal/system/Tests/Upgrade/ModulesDisabledUpgradePathTest.php b/core/modules/system/lib/Drupal/system/Tests/Upgrade/ModulesDisabledUpgradePathTest.php
index b02d5ff..7913f96 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Upgrade/ModulesDisabledUpgradePathTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Upgrade/ModulesDisabledUpgradePathTest.php
@@ -37,7 +37,7 @@ public function testDisabledUpgrade() {
     $this->assertTrue($this->performUpgrade(), 'The upgrade was completed successfully.');
 
     // Get enabled modules.
-    $enabled = drupal_container()->get('module_handler')->getModuleList();
+    $enabled = \Drupal::moduleHandler()->getModuleList();
     // Get all available modules.
     $available = system_rebuild_module_data();
     // Filter out hidden test modules.
diff --git a/core/modules/system/lib/Drupal/system/Tests/Upgrade/UpgradePathTestBase.php b/core/modules/system/lib/Drupal/system/Tests/Upgrade/UpgradePathTestBase.php
index 74c9923..b6117cf 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Upgrade/UpgradePathTestBase.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Upgrade/UpgradePathTestBase.php
@@ -283,8 +283,8 @@ protected function performUpgrade($register_errors = TRUE) {
 
     // Reload module list for modules that are enabled in the test database
     // but not on the test client.
-    drupal_container()->get('module_handler')->resetImplementations();
-    drupal_container()->get('module_handler')->reload();
+    \Drupal::moduleHandler()->resetImplementations();
+    \Drupal::moduleHandler()->reload();
 
     // Rebuild the container and all caches.
     $this->rebuildContainer();
diff --git a/core/modules/system/system.admin.inc b/core/modules/system/system.admin.inc
index dbdf6a5..52f2068 100644
--- a/core/modules/system/system.admin.inc
+++ b/core/modules/system/system.admin.inc
@@ -1232,7 +1232,7 @@ function system_modules_submit($form, &$form_state) {
 
   // Gets list of modules prior to install process, unsets $form_state['storage']
   // so we don't get redirected back to the confirmation form.
-  $pre_install_list = drupal_container()->get('module_handler')->getModuleList();
+  $pre_install_list = Drupal::moduleHandler()->getModuleList();
   unset($form_state['storage']);
 
   // Reverse the 'enable' list, to order dependencies before dependents.
@@ -1244,7 +1244,7 @@ function system_modules_submit($form, &$form_state) {
 
   // Gets module list after install process, flushes caches and displays a
   // message if there are changes.
-  $post_install_list = drupal_container()->get('module_handler')->getModuleList();
+  $post_install_list = Drupal::moduleHandler()->getModuleList();
   if ($pre_install_list != $post_install_list) {
     drupal_flush_all_caches();
     drupal_set_message(t('The configuration options have been saved.'));
diff --git a/core/modules/system/system.install b/core/modules/system/system.install
index a93a124..0e9368f 100644
--- a/core/modules/system/system.install
+++ b/core/modules/system/system.install
@@ -414,7 +414,7 @@ function system_requirements($phase) {
     );
 
     // Check installed modules.
-    foreach (drupal_container()->get('module_handler')->getModuleList() as $module => $filename) {
+    foreach (Drupal::moduleHandler()->getModuleList() as $module => $filename) {
       $updates = drupal_get_schema_versions($module);
       if ($updates !== FALSE) {
         $default = drupal_get_installed_schema_version($module);
diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index c4304f4..cd474e8 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -2817,7 +2817,7 @@ function system_get_info($type, $name = NULL) {
   $info = array();
   if ($type == 'module') {
     $data = system_rebuild_module_data();
-    foreach (drupal_container()->get('module_handler')->getModuleList() as $module => $filename) {
+    foreach (Drupal::moduleHandler()->getModuleList() as $module => $filename) {
       $info[$module] = $data[$module]->info;
     }
   }
@@ -2960,7 +2960,7 @@ function system_rebuild_module_data() {
       $record->schema_version = SCHEMA_UNINSTALLED;
       $files[$module] = $record->filename;
     }
-    $modules = drupal_container()->get('module_handler')->buildModuleDependencies($modules);
+    $modules = Drupal::moduleHandler()->buildModuleDependencies($modules);
     $modules_cache = $modules;
 
     // Store filenames to allow system_list() and drupal_get_filename() to
diff --git a/core/modules/taxonomy/taxonomy.views.inc b/core/modules/taxonomy/taxonomy.views.inc
index 0644f82..052c2ec 100644
--- a/core/modules/taxonomy/taxonomy.views.inc
+++ b/core/modules/taxonomy/taxonomy.views.inc
@@ -177,7 +177,7 @@ function taxonomy_views_data() {
   );
 
   // Entity translation field.
-  if (drupal_container()->get('module_handler')->moduleExists('translation_entity')) {
+  if (Drupal::moduleHandler()->moduleExists('translation_entity')) {
     $data['taxonomy_term_data']['translation_link'] = array(
       'title' => t('Translation link'),
       'help' => t('Provide a link to the translations overview for taxonomy terms.'),
diff --git a/core/modules/tour/lib/Drupal/tour/Plugin/Core/Entity/Tour.php b/core/modules/tour/lib/Drupal/tour/Plugin/Core/Entity/Tour.php
index 12ca122..16e07f6 100644
--- a/core/modules/tour/lib/Drupal/tour/Plugin/Core/Entity/Tour.php
+++ b/core/modules/tour/lib/Drupal/tour/Plugin/Core/Entity/Tour.php
@@ -123,7 +123,7 @@ public function getTips() {
       return ($a->getWeight() < $b->getWeight()) ? -1 : 1;
     });
 
-    drupal_container()->get('module_handler')->alter('tour_tips', $tips, $this);
+    \Drupal::moduleHandler()->alter('tour_tips', $tips, $this);
     return array_values($tips);
   }
 
diff --git a/core/modules/user/user.views.inc b/core/modules/user/user.views.inc
index 11871c9..335f7b8 100644
--- a/core/modules/user/user.views.inc
+++ b/core/modules/user/user.views.inc
@@ -279,7 +279,7 @@ function user_views_data() {
     ),
   );
 
-  if (drupal_container()->get('module_handler')->moduleExists('translation_entity')) {
+  if (Drupal::moduleHandler()->moduleExists('translation_entity')) {
     $data['users']['translation_link'] = array(
       'title' => t('Translation link'),
       'help' => t('Provide a link to the translations overview for users.'),
diff --git a/core/scripts/dump-database-d6.sh b/core/scripts/dump-database-d6.sh
index 106568d..89619ea 100644
--- a/core/scripts/dump-database-d6.sh
+++ b/core/scripts/dump-database-d6.sh
@@ -44,7 +44,7 @@
 
 ENDOFHEADER;
 
-foreach (drupal_container()->get('module_handler')->getModuleList() as $module => $filename) {
+foreach (Drupal::moduleHandler()->getModuleList() as $module => $filename) {
   $output .= " *  - $module\n";
 }
 $output .= " */\n\n";
diff --git a/core/scripts/dump-database-d7.sh b/core/scripts/dump-database-d7.sh
index 3b8597d..c4a0752 100644
--- a/core/scripts/dump-database-d7.sh
+++ b/core/scripts/dump-database-d7.sh
@@ -45,7 +45,7 @@
 
 ENDOFHEADER;
 
-foreach (drupal_container()->get('module_handler')->getModuleList() as $module => $filename) {
+foreach (Drupal::moduleHandler()->getModuleList() as $module => $filename) {
   $output .= " *  - $module\n";
 }
 $output .= " */\n\n";
diff --git a/core/update.php b/core/update.php
index e56d085..befb035 100644
--- a/core/update.php
+++ b/core/update.php
@@ -329,7 +329,7 @@ function update_access_allowed() {
   // Calls to user_access() might fail during the Drupal 6 to 7 update process,
   // so we fall back on requiring that the user be logged in as user #1.
   try {
-    $module_handler = drupal_container()->get('module_handler');
+    $module_handler = Drupal::moduleHandler();
     $module_filenames = $module_handler->getModuleList();
     $module_filenames['user'] = 'core/modules/user/user.module';
     $module_handler->setModuleList($module_filenames);
@@ -437,7 +437,7 @@ function update_check_requirements($skip_warnings = FALSE) {
   // Load module basics.
   include_once DRUPAL_ROOT . '/core/includes/module.inc';
   $module_list['system'] = 'core/modules/system/system.module';
-  $module_handler = drupal_container()->get('module_handler');
+  $module_handler = Drupal::moduleHandler();
   $module_handler->setModuleList($module_list);
   $module_handler->load('system');