diff --git a/core/includes/install.core.inc b/core/includes/install.core.inc
index 8797e74..9e1f190 100644
--- a/core/includes/install.core.inc
+++ b/core/includes/install.core.inc
@@ -1577,7 +1577,7 @@ function install_import_translations(&$install_state) {
 
     // Set up a batch to import translations for the newly added language.
     _install_prepare_import($langcode);
-    module_load_include('fetch.inc', 'locale');
+    include_once(drupal_get_path('module', 'locale') . '/locale.fetch.inc');
     if ($batch = locale_translation_batch_fetch_build(array(), array($langcode))) {
       return $batch;
     }
@@ -1616,7 +1616,7 @@ function _install_prepare_import($langcode) {
          'status' => 1,
       );
       \Drupal::service('locale.project')->set($data['name'], $data);
-      module_load_include('compare.inc', 'locale');
+      include_once(drupal_get_path('module', 'locale') . '/locale.compare.inc');
       locale_translation_check_projects_local(array('drupal'), array($install_state['parameters']['langcode']));
     }
   }
@@ -1635,8 +1635,8 @@ function _install_prepare_import($langcode) {
  *   The batch definition, if there are language files to import.
  */
 function install_import_translations_remaining(&$install_state) {
-  module_load_include('fetch.inc', 'locale');
-  module_load_include('compare.inc', 'locale');
+  include_once(drupal_get_path('module', 'locale') . '/locale.fetch.inc');
+  include_once(drupal_get_path('module', 'locale') . '/locale.compare.inc');
 
   // Build a fresh list of installed projects. When more projects than core are
   // installed, their translations will be downloaded (if required) and imported
diff --git a/core/includes/module.inc b/core/includes/module.inc
index 023c102..af3f794 100644
--- a/core/includes/module.inc
+++ b/core/includes/module.inc
@@ -101,7 +101,12 @@ function module_load_install($module) {
   // Make sure the installation API is available
   include_once __DIR__ . '/install.inc';
 
-  return module_load_include('install', $module);
+  $path = drupal_get_path('module', $module) . "/$module.install";
+  if (file_exists($path)) {
+    include_once($path);
+    return TRUE;
+  }
+  return FALSE;
 }
 
 /**
@@ -128,9 +133,11 @@ function module_load_install($module) {
  *   (optional) The base file name (without the $type extension). If omitted,
  *   $module is used; i.e., resulting in "$module.$type" by default.
  *
- * @return
+ * @return bool
  *   The name of the included file, if successful; FALSE otherwise.
  *
+ * @deprecated
+ *
  * @todo The module_handler service has a loadInclude() method which performs
  *   this same task but only for enabled modules. Figure out a way to move this
  *   functionality entirely into the module_handler while keeping the ability to
diff --git a/core/lib/Drupal/Core/Form/FormState.php b/core/lib/Drupal/Core/Form/FormState.php
index 5bed64a..e87d659 100644
--- a/core/lib/Drupal/Core/Form/FormState.php
+++ b/core/lib/Drupal/Core/Form/FormState.php
@@ -56,12 +56,10 @@ class FormState implements FormStateInterface, \ArrayAccess {
    *     of a function to call instead.
    *   - args: A list of arguments to pass to the form constructor.
    *   - files: An optional array defining include files that need to be loaded
-   *     for building the form. Each array entry may be the path to a file or
-   *     another array containing values for the parameters 'type', 'module' and
-   *     'name' as needed by module_load_include(). The files listed here are
-   *     automatically loaded by form_get_cache(). By default the current menu
-   *     router item's 'file' definition is added, if any. Use
-   *     self::loadInclude() to add include files from a form constructor.
+   *     for building the form. Each array entry may be the path to a file. The
+   *     files listed here are automatically loaded by form_get_cache(). By
+   *     default the current menu router item's 'file' definition is added, if
+   *     any. Use self::loadInclude() to add include files from a form constructor.
    *   - form_id: Identification of the primary form being constructed and
    *     processed.
    *   - base_form_id: Identification for a base form, as declared in the form
diff --git a/core/lib/Drupal/Core/Updater/Module.php b/core/lib/Drupal/Core/Updater/Module.php
index acc3028..955280f 100644
--- a/core/lib/Drupal/Core/Updater/Module.php
+++ b/core/lib/Drupal/Core/Updater/Module.php
@@ -79,7 +79,7 @@ public function getSchemaUpdates() {
     if (!self::canUpdate($this->name)) {
       return array();
     }
-    module_load_include('install', $this->name);
+    module_load_install($this->name);
 
     if (!$updates = drupal_get_schema_versions($this->name)) {
       return array();
diff --git a/core/modules/content_translation/content_translation.module b/core/modules/content_translation/content_translation.module
index dddad7c..9ee1e55 100644
--- a/core/modules/content_translation/content_translation.module
+++ b/core/modules/content_translation/content_translation.module
@@ -626,7 +626,7 @@ function content_translation_form_field_ui_field_instance_edit_form_alter(array
   }
 
   if ($instance->isTranslatable()) {
-    module_load_include('inc', 'content_translation', 'content_translation.admin');
+    include_once(drupal_get_path('module', 'content_translation') . '/content_translation.admin.inc');
     $element = content_translation_field_sync_widget($instance);
     if ($element) {
       $form['instance']['third_party_settings']['content_translation']['translation_sync'] = $element;
@@ -757,7 +757,7 @@ function content_translation_language_configuration_element_submit(array $form,
  * Implements hook_form_FORM_ID_alter() for language_content_settings_form().
  */
 function content_translation_form_language_content_settings_form_alter(array &$form, FormStateInterface $form_state) {
-  module_load_include('inc', 'content_translation', 'content_translation.admin');
+  include_once(drupal_get_path('module', 'content_translation') . '/content_translation.admin.inc');
   _content_translation_form_language_content_settings_form_alter($form, $form_state);
 }
 
@@ -765,6 +765,6 @@ function content_translation_form_language_content_settings_form_alter(array &$f
  * Implements hook_preprocess_HOOK() for theme_language_content_settings_table().
  */
 function content_translation_preprocess_language_content_settings_table(&$variables) {
-  module_load_include('inc', 'content_translation', 'content_translation.admin');
+  include_once(drupal_get_path('module', 'content_translation') . '/content_translation.admin.inc');
   _content_translation_preprocess_language_content_settings_table($variables);
 }
diff --git a/core/modules/locale/locale.batch.inc b/core/modules/locale/locale.batch.inc
index b174074..198e1b5 100644
--- a/core/modules/locale/locale.batch.inc
+++ b/core/modules/locale/locale.batch.inc
@@ -174,7 +174,7 @@ function locale_translation_batch_fetch_import($project, $langcode, $options, &$
     if (isset($source->type)) {
       if ($source->type == LOCALE_TRANSLATION_REMOTE || $source->type == LOCALE_TRANSLATION_LOCAL) {
         $file = $source->files[LOCALE_TRANSLATION_LOCAL];
-        module_load_include('bulk.inc', 'locale');
+        include_once(drupal_get_path('module', 'locale') . '/bulk.inc');
         $options += array(
           'message' => t('Importing translation for %project.', array('%project' => $source->project)),
         );
@@ -207,7 +207,7 @@ function locale_translation_batch_fetch_import($project, $langcode, $options, &$
  *   Batch results.
  */
 function locale_translation_batch_fetch_finished($success, $results) {
-  module_load_include('bulk.inc', 'locale');
+  include_once(drupal_get_path('module', 'locale') . '/bulk.inc');
   if ($success) {
     \Drupal::state()->set('locale.translation_last_checked', REQUEST_TIME);
   }
diff --git a/core/modules/locale/locale.bulk.inc b/core/modules/locale/locale.bulk.inc
index c9bf165..b32a2ce 100644
--- a/core/modules/locale/locale.bulk.inc
+++ b/core/modules/locale/locale.bulk.inc
@@ -81,7 +81,7 @@ function locale_translate_batch_import_files($options, $force = FALSE) {
  *   An array of interface translation files keyed by their URI.
  */
 function locale_translate_get_interface_translation_files($projects = array(), $langcodes = array()) {
-  module_load_include('compare.inc', 'locale');
+  include_once(drupal_get_path('module', 'locale') . '/locale.compare.inc');
   $files = array();
   $projects = $projects ? $projects : array_keys(locale_translation_get_projects());
   $langcodes = $langcodes ? $langcodes : array_keys(locale_translatable_language_list());
diff --git a/core/modules/locale/locale.compare.inc b/core/modules/locale/locale.compare.inc
index 26f3c9b..d3b2ef9 100644
--- a/core/modules/locale/locale.compare.inc
+++ b/core/modules/locale/locale.compare.inc
@@ -114,7 +114,7 @@ function locale_translation_build_projects() {
 function locale_translation_project_list() {
   $projects = &drupal_static(__FUNCTION__, array());
   if (empty($projects)) {
-    module_load_include('compare.inc', 'update');
+    include_once(drupal_get_path('module', 'update') . '/update.compare.inc');
     $config = \Drupal::config('locale.settings');
     $projects = array();
 
diff --git a/core/modules/locale/locale.fetch.inc b/core/modules/locale/locale.fetch.inc
index 9568691..418d70f 100644
--- a/core/modules/locale/locale.fetch.inc
+++ b/core/modules/locale/locale.fetch.inc
@@ -27,7 +27,7 @@
  *   Batch definition array.
  */
 function locale_translation_batch_update_build($projects = array(), $langcodes = array(), $options = array()) {
-  module_load_include('compare.inc', 'locale');
+  include_once(drupal_get_path('module', 'locale') . '/locale.compare.inc');
   $projects = $projects ? $projects : array_keys(locale_translation_get_projects());
   $langcodes = $langcodes ? $langcodes : array_keys(locale_translatable_language_list());
   $status_options = $options;
diff --git a/core/modules/locale/locale.module b/core/modules/locale/locale.module
index 3122f59..ff6a4fd 100644
--- a/core/modules/locale/locale.module
+++ b/core/modules/locale/locale.module
@@ -252,7 +252,7 @@ function locale_configurable_language_delete(ConfigurableLanguage $language) {
   \Drupal::service('locale.storage')->deleteTranslations(array('language' => $language->id()));
 
   // Remove interface translation files.
-  module_load_include('inc', 'locale', 'locale.bulk');
+  include_once(drupal_get_path('module', 'locale') . '/locale.bulk.inc');
   locale_translate_delete_translation_files(array(), array($language->id()));
 
   // Remove translated configuration objects.
@@ -384,7 +384,7 @@ function locale_cron() {
   // Update tasks are added to the queue here but processed by Drupal's cron
   // using the cron worker defined in locale_queue_info().
   if ($frequency = \Drupal::config('locale.settings')->get('translation.update_interval_days') && locale_translatable_language_list()) {
-    module_load_include('translation.inc', 'locale');
+    include_once(drupal_get_path('module', 'locale') . '/locale.translation.inc');
     locale_cron_fill_queue();
   }
 }
@@ -422,7 +422,7 @@ function locale_queue_info() {
  * @see locale_queue_info()
  */
 function locale_translation_worker($data) {
-  module_load_include('batch.inc', 'locale');
+  include_once(drupal_get_path('module', 'locale') . '/batch.inc');
   list($function, $args) = $data;
 
   // We execute batch operation functions here to check, download and import the
@@ -476,14 +476,14 @@ function locale_system_update(array $components) {
   // because it would break out of the installer flow. We have
   // built-in support for translation imports in the installer.
   if (!drupal_installation_attempted() && locale_translatable_language_list() && \Drupal::config('locale.settings')->get('translation.import_enabled')) {
-    module_load_include('compare.inc', 'locale');
+    include_once(drupal_get_path('module', 'locale') . '/locale.compare.inc');
 
     // Update the list of translatable projects and start the import batch.
     // Only when new projects are added the update batch will be triggered. Not
     // each enabled module will introduce a new project. E.g. sub modules.
     $projects = array_keys(locale_translation_build_projects());
     if ($list = array_intersect($list, $projects)) {
-      module_load_include('fetch.inc', 'locale');
+      include_once(drupal_get_path('module', 'locale') . '/locale.fetch.inc');
       // Get translation status of the projects, download and update
       // translations.
       $options = _locale_translation_default_update_options();
@@ -512,7 +512,7 @@ function locale_system_remove($components) {
   $components += array('module' => array(), 'theme' => array());
   $list = array_merge($components['module'], $components['theme']);
   if ($language_list = locale_translatable_language_list()) {
-    module_load_include('compare.inc', 'locale');
+    include_once(drupal_get_path('module', 'locale') . '/locale.compare.inc');
     \Drupal::moduleHandler()->loadInclude('locale', 'bulk.inc');
     // Delete configuration translations.
     \Drupal\locale\Locale::config()->deleteComponentTranslations($components, array_keys($language_list));
@@ -726,7 +726,7 @@ function locale_form_language_admin_add_form_alter_submit($form, FormStateInterf
     }
 
     // Download and import translations for the newly added language.
-    module_load_include('fetch.inc', 'locale');
+    include_once(drupal_get_path('module', 'locale') . '/locale.fetch.inc');
     $options = _locale_translation_default_update_options();
     $batch = locale_translation_batch_update_build(array(), array($langcode), $options);
     batch_set($batch);
@@ -907,7 +907,7 @@ function locale_translation_file_history_delete($projects = array(), $langcodes
 function locale_translation_get_status($projects = NULL, $langcodes = NULL) {
   $result = array();
   $status = \Drupal::state()->get('locale.translation_status');
-  module_load_include('translation.inc', 'locale');
+  include_once(drupal_get_path('module', 'locale') . '/locale.translation.inc');
   $projects = $projects ? $projects : array_keys(locale_translation_get_projects());
   $langcodes = $langcodes ? $langcodes : array_keys(locale_translatable_language_list());
 
@@ -947,7 +947,7 @@ function locale_translation_status_save($project, $langcode, $type, $data) {
   // improve performance for large sites.
 
   // Load the translation status or build it if not already available.
-  module_load_include('translation.inc', 'locale');
+  include_once(drupal_get_path('module', 'locale') . '/locale.translation.inc');
   $status = locale_translation_get_status();
   if (empty($status)) {
     $projects = locale_translation_get_projects(array($project));
diff --git a/core/modules/locale/locale.pages.inc b/core/modules/locale/locale.pages.inc
index dc6043b..5c4e5b4 100644
--- a/core/modules/locale/locale.pages.inc
+++ b/core/modules/locale/locale.pages.inc
@@ -20,7 +20,7 @@
  * @see locale_menu()
  */
 function locale_translation_manual_status() {
-  module_load_include('compare.inc', 'locale');
+  include_once(drupal_get_path('module', 'locale') . '/locale.compare.inc');
 
   // Check the translation status of all translatable projects in all languages.
   // First we clear the cached list of projects. Although not strictly
diff --git a/core/modules/locale/locale.translation.inc b/core/modules/locale/locale.translation.inc
index 2208b1d..9ccc07b 100644
--- a/core/modules/locale/locale.translation.inc
+++ b/core/modules/locale/locale.translation.inc
@@ -61,7 +61,7 @@ function locale_translation_get_projects($project_names = array()) {
     // http://drupal.org/node/1777106 is a follow-up issue to make the check for
     // possible out-of-date project information more robust.
     if ($row_count == 0 && \Drupal::moduleHandler()->moduleExists('update')) {
-      module_load_include('compare.inc', 'locale');
+      include_once(drupal_get_path('module', 'locale') . '/locale.compare.inc');
       // At least the core project should be in the database, so we build the
       // data if none are found.
       locale_translation_build_projects();
@@ -351,7 +351,7 @@ function locale_cron_fill_queue() {
   // For each project+language combination a number of tasks are added to
   // the queue.
   if ($updates) {
-    module_load_include('fetch.inc', 'locale');
+    include_once(drupal_get_path('module', 'locale') . '/locale.fetch.inc');
     $options = _locale_translation_default_update_options();
     $queue = \Drupal::queue('locale_translation', TRUE);
 
diff --git a/core/modules/locale/src/Tests/LocaleUpdateTest.php b/core/modules/locale/src/Tests/LocaleUpdateTest.php
index f564652..27ccad8 100644
--- a/core/modules/locale/src/Tests/LocaleUpdateTest.php
+++ b/core/modules/locale/src/Tests/LocaleUpdateTest.php
@@ -29,8 +29,8 @@ class LocaleUpdateTest extends LocaleUpdateBase {
    */
   protected function setUp() {
     parent::setUp();
-    module_load_include('compare.inc', 'locale');
-    module_load_include('fetch.inc', 'locale');
+    include_once(drupal_get_path('module', 'locale') . '/locale.compare.inc');
+    include_once(drupal_get_path('module', 'locale') . '/locale.fetch.inc');
     $admin_user = $this->drupalCreateUser(array('administer modules', 'administer site configuration', 'administer languages', 'access administration pages', 'translate interface'));
     $this->drupalLogin($admin_user);
     // We use German as test language. This language must match the translation
@@ -43,7 +43,7 @@ protected function setUp() {
    * Checks if a list of translatable projects gets build.
    */
   public function testUpdateProjects() {
-    module_load_include('compare.inc', 'locale');
+    include_once(drupal_get_path('module', 'locale') . '/locale.compare.inc');
 
     // Make the test modules look like a normal custom module. i.e. make the
     // modules not hidden. locale_test_system_info_alter() modifies the project
diff --git a/core/modules/node/node.module b/core/modules/node/node.module
index d96052d..02e3bb2 100644
--- a/core/modules/node/node.module
+++ b/core/modules/node/node.module
@@ -767,13 +767,13 @@ function node_user_cancel($edit, $account, $method) {
       $nids = \Drupal::entityQuery('node')
         ->condition('uid', $account->id())
         ->execute();
-      module_load_include('inc', 'node', 'node.admin');
+      include_once(drupal_get_path('module', 'node') . '/node.admin.inc');
       node_mass_update($nids, array('status' => 0), NULL, TRUE);
       break;
 
     case 'user_cancel_reassign':
       // Anonymize all of the nodes for this old account.
-      module_load_include('inc', 'node', 'node.admin');
+      include_once(drupal_get_path('module', 'node') . '/node.admin.inc');
       $vids = \Drupal::entityManager()->getStorage('node')->userRevisionIds($account);
       node_mass_update($vids, array(
         'uid' => 0,
diff --git a/core/modules/taxonomy/src/Controller/TaxonomyController.php b/core/modules/taxonomy/src/Controller/TaxonomyController.php
index 0ddbce4..81bdb65 100644
--- a/core/modules/taxonomy/src/Controller/TaxonomyController.php
+++ b/core/modules/taxonomy/src/Controller/TaxonomyController.php
@@ -35,7 +35,7 @@ public function addForm(VocabularyInterface $taxonomy_vocabulary) {
    * @todo Remove taxonomy_term_page().
    */
   public function termPage(TermInterface $taxonomy_term) {
-    module_load_include('pages.inc', 'taxonomy');
+    include_once(drupal_get_path('module', 'taxonomy') . '/user.pages.inc');
     return taxonomy_term_page($taxonomy_term);
 
   }
@@ -70,7 +70,7 @@ public function termTitle(TermInterface $taxonomy_term) {
    * @todo Remove taxonomy_term_feed().
    */
   public function termFeed(TermInterface $taxonomy_term) {
-    module_load_include('pages.inc', 'taxonomy');
+    include_once(drupal_get_path('module', 'taxonomy') . '/taxonomy.pages.inc');
     return taxonomy_term_feed($taxonomy_term);
   }
 
diff --git a/core/modules/tracker/src/Controller/TrackerPage.php b/core/modules/tracker/src/Controller/TrackerPage.php
index a9d667a..4a299a2 100644
--- a/core/modules/tracker/src/Controller/TrackerPage.php
+++ b/core/modules/tracker/src/Controller/TrackerPage.php
@@ -18,7 +18,7 @@ class TrackerPage extends ControllerBase {
    * Content callback for the tracker.page route.
    */
   public function getContent() {
-    module_load_include('inc', 'tracker', 'tracker.pages');
+    include_once(drupal_get_path('module', 'tracker') . '/tracker.pages.inc');
     return tracker_page();
   }
 }
diff --git a/core/modules/tracker/src/Controller/TrackerUserRecent.php b/core/modules/tracker/src/Controller/TrackerUserRecent.php
index 4b644ae..939a7dc 100644
--- a/core/modules/tracker/src/Controller/TrackerUserRecent.php
+++ b/core/modules/tracker/src/Controller/TrackerUserRecent.php
@@ -19,7 +19,7 @@ class TrackerUserRecent extends ControllerBase {
    * Content callback for the tracker.users_recent_content route.
    */
   public function getContent(UserInterface $user) {
-    module_load_include('inc', 'tracker', 'tracker.pages');
+    include_once(drupal_get_path('module', 'tracker') . '/tracker.pages.inc');
     return tracker_page($user);
   }
 }
diff --git a/core/modules/tracker/src/Controller/TrackerUserTab.php b/core/modules/tracker/src/Controller/TrackerUserTab.php
index 49a7574..e0cfcbc 100644
--- a/core/modules/tracker/src/Controller/TrackerUserTab.php
+++ b/core/modules/tracker/src/Controller/TrackerUserTab.php
@@ -20,7 +20,7 @@ class TrackerUserTab extends ControllerBase {
    * Content callback for the tracker.user_tab route.
    */
   public function getContent(UserInterface $user) {
-    module_load_include('inc', 'tracker', 'tracker.pages');
+    include_once(drupal_get_path('module', 'tracker') . '/tracker.pages.inc');
     return tracker_page($user);
   }
 
diff --git a/core/modules/update/src/Tests/UpdateContribTest.php b/core/modules/update/src/Tests/UpdateContribTest.php
index 0e547ef..e906868 100644
--- a/core/modules/update/src/Tests/UpdateContribTest.php
+++ b/core/modules/update/src/Tests/UpdateContribTest.php
@@ -263,7 +263,7 @@ function testUpdateShowDisabledThemes() {
    * Tests updates with a hidden base theme.
    */
   function testUpdateHiddenBaseTheme() {
-    module_load_include('compare.inc', 'update');
+    include_once(drupal_get_path('module', 'update') . '/update.compare.inc');
 
     // Enable the subtheme.
     theme_enable(array('update_test_subtheme'));
diff --git a/core/modules/update/update.install b/core/modules/update/update.install
index 7997ec8..00e3e5a 100644
--- a/core/modules/update/update.install
+++ b/core/modules/update/update.install
@@ -29,7 +29,7 @@ function update_requirements($phase) {
   $requirements = array();
   if ($phase == 'runtime') {
     if ($available = update_get_available(FALSE)) {
-      module_load_include('inc', 'update', 'update.compare');
+      include_once(drupal_get_path('module', 'update') . '/update.compare.inc');
       $data = update_calculate_project_data($available);
       // First, populate the requirements for core:
       $requirements['update_core'] = _update_requirement_check($data['drupal'], 'core');
diff --git a/core/modules/update/update.module b/core/modules/update/update.module
index 6529a48..bee3014 100644
--- a/core/modules/update/update.module
+++ b/core/modules/update/update.module
@@ -222,7 +222,7 @@ function update_cron() {
   if ((REQUEST_TIME - $last_email_notice) > $interval) {
     // If configured time between notifications elapsed, send email about
     // updates possibly available.
-    module_load_include('inc', 'update', 'update.fetch');
+    include_once(drupal_get_path('module', 'update') . '/update.fetch.inc');
     _update_cron_notify();
   }
 
@@ -305,7 +305,7 @@ function _update_no_data() {
  * @see update_get_projects()
  */
 function update_get_available($refresh = FALSE) {
-  module_load_include('inc', 'update', 'update.compare');
+  include_once(drupal_get_path('module', 'update') . '/update.compare.inc');
   $needs_refresh = FALSE;
 
   // Grab whatever data we currently have.
@@ -364,7 +364,7 @@ function update_get_available($refresh = FALSE) {
  * @see _update_create_fetch_task()
  */
 function update_create_fetch_task($project) {
-  module_load_include('inc', 'update', 'update.fetch');
+  include_once(drupal_get_path('module', 'update') . '/update.fetch.inc');
   _update_create_fetch_task($project);
 }
 
@@ -374,7 +374,7 @@ function update_create_fetch_task($project) {
  * @see _update_refresh()
  */
 function update_refresh() {
-  module_load_include('inc', 'update', 'update.fetch');
+  include_once(drupal_get_path('module', 'update') . '/update.fetch.inc');
   _update_refresh();
 }
 
@@ -384,7 +384,7 @@ function update_refresh() {
  * @see _update_fetch_data()
  */
 function update_fetch_data() {
-  module_load_include('inc', 'update', 'update.fetch');
+  include_once(drupal_get_path('module', 'update') . '/update.fetch.inc');
   _update_fetch_data();
 }
 
diff --git a/core/modules/user/src/Controller/UserController.php b/core/modules/user/src/Controller/UserController.php
index 7ce404d..43a81fe 100644
--- a/core/modules/user/src/Controller/UserController.php
+++ b/core/modules/user/src/Controller/UserController.php
@@ -179,7 +179,7 @@ public function logout() {
    * @todo Remove user_cancel_confirm().
    */
   public function confirmCancel(UserInterface $user, $timestamp = 0, $hashed_pass = '') {
-    module_load_include('pages.inc', 'user');
+    include_once(drupal_get_path('module', 'user') . '/user.pages.inc');
     return user_cancel_confirm($user, $timestamp, $hashed_pass);
   }
 
diff --git a/core/modules/user/user.api.php b/core/modules/user/user.api.php
index 34e9f7f..32a85f0 100644
--- a/core/modules/user/user.api.php
+++ b/core/modules/user/user.api.php
@@ -42,7 +42,7 @@ function hook_user_cancel($edit, $account, $method) {
   switch ($method) {
     case 'user_cancel_block_unpublish':
       // Unpublish nodes (current revisions).
-      module_load_include('inc', 'node', 'node.admin');
+      include_once(drupal_get_path('module', 'node') . '/node.admin.inc');
       $nodes = \Drupal::entityQuery('node')
         ->condition('uid', $user->id())
         ->execute();
@@ -51,7 +51,7 @@ function hook_user_cancel($edit, $account, $method) {
 
     case 'user_cancel_reassign':
       // Anonymize nodes (current revisions).
-      module_load_include('inc', 'node', 'node.admin');
+      include_once(drupal_get_path('module', 'node') . '/node.admin.inc');
       $nodes = \Drupal::entityQuery('node')
         ->condition('uid', $user->id())
         ->execute();
diff --git a/core/modules/views/src/Plugin/views/wizard/WizardPluginBase.php b/core/modules/views/src/Plugin/views/wizard/WizardPluginBase.php
index bb63902..2e0e67d 100644
--- a/core/modules/views/src/Plugin/views/wizard/WizardPluginBase.php
+++ b/core/modules/views/src/Plugin/views/wizard/WizardPluginBase.php
@@ -621,7 +621,7 @@ protected function rowStyleOptions() {
    * available).
    */
   protected function buildFilters(&$form, FormStateInterface $form_state) {
-    module_load_include('inc', 'views_ui', 'admin');
+    include_once(drupal_get_path('module', 'views_ui') . '/admin.inc');
 
     $bundles = entity_get_bundles($this->entityTypeId);
     // If the current base table support bundles and has more than one (like user).
@@ -923,7 +923,7 @@ protected function defaultDisplayFiltersUser(array $form, FormStateInterface $fo
       // Figure out the table where $bundle_key lives. It may not be the same as
       // the base table for the view; the taxonomy vocabulary machine_name, for
       // example, is stored in taxonomy_vocabulary, not taxonomy_term_data.
-      module_load_include('inc', 'views_ui', 'admin');
+      include_once(drupal_get_path('module', 'views_ui') . '/admin.inc');
       $fields = Views::viewsDataHelper()->fetchFields($this->base_table, 'filter');
       if (isset($fields[$this->base_table . '.' . $bundle_key])) {
         $table = $this->base_table;
diff --git a/core/scripts/generate-d6-content.sh b/core/scripts/generate-d6-content.sh
index fc4c68f..e4cd5d9 100644
--- a/core/scripts/generate-d6-content.sh
+++ b/core/scripts/generate-d6-content.sh
@@ -96,7 +96,7 @@
 
 $node_id = 0;
 $revision_id = 0;
-module_load_include('inc', 'node', 'node.pages');
+include_once(drupal_get_path('module', 'node') . '/node.pages.inc');
 for ($i = 0; $i < 24; $i++) {
   $uid = intval($i / 8) + 3;
   $user = user_load($uid);
diff --git a/core/scripts/generate-d7-content.sh b/core/scripts/generate-d7-content.sh
index 9925fe1..f27e181 100644
--- a/core/scripts/generate-d7-content.sh
+++ b/core/scripts/generate-d7-content.sh
@@ -158,7 +158,7 @@
 }
 $node_id = 0;
 $revision_id = 0;
-module_load_include('inc', 'node', 'node.pages');
+include_once(drupal_get_path('module', 'node') . '/node.pages.inc');
 for ($i = 0; $i < 36; $i++) {
   $uid = intval($i / 8) + 3;
   $user = user_load($uid);