diff --git a/core/includes/update.inc b/core/includes/update.inc
index c3bc07a..98d9050 100644
--- a/core/includes/update.inc
+++ b/core/includes/update.inc
@@ -825,7 +825,7 @@ function update_language_list($flags = Language::STATE_CONFIGURABLE) {
     if (\Drupal::languageManager()->isMultilingual() || \Drupal::moduleHandler()->moduleExists('language')) {
       // Use language module configuration if available. We can not use
       // entity_load_multiple() because this breaks during updates.
-      $language_entities = config_get_storage_names_with_prefix('language.entity.');
+      $language_entities = \Drupal::configFactory()->listAll('language.entity.');
 
       // Initialize default property so callers have an easy reference and can
       // save the same object without data loss.
diff --git a/core/lib/Drupal/Core/Config/Schema/Element.php b/core/lib/Drupal/Core/Config/Schema/Element.php
index d4e29db..2563ec5 100644
--- a/core/lib/Drupal/Core/Config/Schema/Element.php
+++ b/core/lib/Drupal/Core/Config/Schema/Element.php
@@ -25,7 +25,7 @@
    * Create typed config object.
    */
   protected function parseElement($key, $data, $definition) {
-    return config_typed()->create($definition, $data, $key, $this);
+    return \Drupal::service('config.typed')->create($definition, $data, $key, $this);
   }
 
 }
diff --git a/core/modules/block/custom_block/custom_block.module b/core/modules/block/custom_block/custom_block.module
index cdf90c7..0a8b7b4 100644
--- a/core/modules/block/custom_block/custom_block.module
+++ b/core/modules/block/custom_block/custom_block.module
@@ -153,7 +153,7 @@ function custom_block_entity_info_alter(&$entity_info) {
  */
 function custom_block_entity_bundle_info() {
   $bundles = array();
-  foreach (config_get_storage_names_with_prefix('custom_block.type.') as $config_name) {
+  foreach (\Drupal::configFactory()->listAll('custom_block.type.') as $config_name) {
     $config = \Drupal::config($config_name);
     $bundles['custom_block'][$config->get('id')]['label'] = $config->get('label');
   }
diff --git a/core/modules/breakpoint/breakpoint.module b/core/modules/breakpoint/breakpoint.module
index 6c606ec..754d968 100644
--- a/core/modules/breakpoint/breakpoint.module
+++ b/core/modules/breakpoint/breakpoint.module
@@ -79,7 +79,7 @@ function breakpoint_modules_uninstalled($modules) {
  *   Either Breakpoint::SOURCE_TYPE_THEME or Breakpoint::SOURCE_TYPE_MODULE.
  */
 function _breakpoint_delete_breakpoints($list, $source_type) {
-  $ids = config_get_storage_names_with_prefix('breakpoint.breakpoint_group.' . $source_type . '.');
+  $ids = \Drupal::configFactory()->listAll('breakpoint.breakpoint_group.' . $source_type . '.');
   $entity_manager = \Drupal::entityManager();
   $entity_type = $entity_manager->getDefinition('breakpoint_group');
 
diff --git a/core/modules/config/lib/Drupal/config/Tests/ConfigSchemaTest.php b/core/modules/config/lib/Drupal/config/Tests/ConfigSchemaTest.php
index 62341ee..8b430da 100644
--- a/core/modules/config/lib/Drupal/config/Tests/ConfigSchemaTest.php
+++ b/core/modules/config/lib/Drupal/config/Tests/ConfigSchemaTest.php
@@ -41,21 +41,21 @@ public function setUp() {
    */
   function testSchemaMapping() {
     // Nonexistent configuration key will have Unknown as metadata.
-    $this->assertIdentical(FALSE, config_typed()->hasConfigSchema('config_test.no_such_key'));
-    $definition = config_typed()->getDefinition('config_test.no_such_key');
+    $this->assertIdentical(FALSE, \Drupal::service('config.typed')->hasConfigSchema('config_test.no_such_key'));
+    $definition = \Drupal::service('config.typed')->getDefinition('config_test.no_such_key');
     $expected = array();
     $expected['label'] = 'Unknown';
     $expected['class'] = '\Drupal\Core\Config\Schema\Property';
     $this->assertEqual($definition, $expected, 'Retrieved the right metadata for nonexistent configuration.');
 
     // Configuration file without schema will return Unknown as well.
-    $this->assertIdentical(FALSE, config_typed()->hasConfigSchema('config_test.noschema'));
-    $definition = config_typed()->getDefinition('config_test.noschema');
+    $this->assertIdentical(FALSE, \Drupal::service('config.typed')->hasConfigSchema('config_test.noschema'));
+    $definition = \Drupal::service('config.typed')->getDefinition('config_test.noschema');
     $this->assertEqual($definition, $expected, 'Retrieved the right metadata for configuration with no schema.');
 
     // Configuration file with only some schema.
-    $this->assertIdentical(TRUE, config_typed()->hasConfigSchema('config_test.someschema'));
-    $definition = config_typed()->getDefinition('config_test.someschema');
+    $this->assertIdentical(TRUE, \Drupal::service('config.typed')->hasConfigSchema('config_test.someschema'));
+    $definition = \Drupal::service('config.typed')->getDefinition('config_test.someschema');
     $expected = array();
     $expected['label'] = 'Schema test data';
     $expected['class'] = '\Drupal\Core\Config\Schema\Mapping';
@@ -64,7 +64,7 @@ function testSchemaMapping() {
     $this->assertEqual($definition, $expected, 'Retrieved the right metadata for configuration with only some schema.');
 
     // Check type detection on elements with undefined types.
-    $config = config_typed()->get('config_test.someschema');
+    $config = \Drupal::service('config.typed')->get('config_test.someschema');
     $definition = $config['testitem']->getDefinition();
     $expected = array();
     $expected['label'] = 'Test item';
@@ -79,7 +79,7 @@ function testSchemaMapping() {
     $this->assertEqual($definition, $expected, 'Automatic type fallback on non-string item worked.');
 
     // Simple case, straight metadata.
-    $definition = config_typed()->getDefinition('system.maintenance');
+    $definition = \Drupal::service('config.typed')->getDefinition('system.maintenance');
     $expected = array();
     $expected['label'] = 'Maintenance mode';
     $expected['class'] = '\Drupal\Core\Config\Schema\Mapping';
@@ -94,7 +94,7 @@ function testSchemaMapping() {
     $this->assertEqual($definition, $expected, 'Retrieved the right metadata for system.maintenance');
 
     // More complex case, generic type. Metadata for image style.
-    $definition = config_typed()->getDefinition('image.style.large');
+    $definition = \Drupal::service('config.typed')->getDefinition('image.style.large');
     $expected = array();
     $expected['label'] = 'Image style';
     $expected['class'] = '\Drupal\Core\Config\Schema\Mapping';
@@ -116,7 +116,7 @@ function testSchemaMapping() {
     $this->assertEqual($definition, $expected, 'Retrieved the right metadata for image.style.large');
 
     // More complex, type based on a complex one.
-    $definition = config_typed()->getDefinition('image.effect.image_scale');
+    $definition = \Drupal::service('config.typed')->getDefinition('image.effect.image_scale');
     // This should be the schema for image.effect.image_scale.
     $expected = array();
     $expected['label'] = 'Image scale';
@@ -131,7 +131,7 @@ function testSchemaMapping() {
     $this->assertEqual($definition, $expected, 'Retrieved the right metadata for image.effect.image_scale');
 
     // Most complex case, get metadata for actual configuration element.
-    $effects = config_typed()->get('image.style.medium')->get('effects');
+    $effects = \Drupal::service('config.typed')->get('image.style.medium')->get('effects');
     $definition = $effects['bddf0d06-42f9-4c75-a700-a33cafa25ea0']['data']->getDefinition();
     // This should be the schema for image.effect.image_scale, reuse previous one.
     $expected['type'] =  'image.effect.image_scale';
@@ -139,7 +139,7 @@ function testSchemaMapping() {
     $this->assertEqual($definition, $expected, 'Retrieved the right metadata for the first effect of image.style.medium');
 
     // More complex, multiple filesystem marker test.
-    $definition = config_typed()->getDefinition('config_test.someschema.somemodule.section_one.subsection');
+    $definition = \Drupal::service('config.typed')->getDefinition('config_test.someschema.somemodule.section_one.subsection');
     // This should be the schema of config_test.someschema.somemodule.*.*.
     $expected = array();
     $expected['label'] = 'Schema multiple filesytem marker test';
@@ -151,7 +151,7 @@ function testSchemaMapping() {
 
     $this->assertEqual($definition, $expected, 'Retrieved the right metadata for config_test.someschema.somemodule.section_one.subsection');
 
-    $definition = config_typed()->getDefinition('config_test.someschema.somemodule.section_two.subsection');
+    $definition = \Drupal::service('config.typed')->getDefinition('config_test.someschema.somemodule.section_two.subsection');
     // The other file should have the same schema.
     $this->assertEqual($definition, $expected, 'Retrieved the right metadata for config_test.someschema.somemodule.section_two.subsection');
   }
@@ -160,7 +160,7 @@ function testSchemaMapping() {
    * Tests metadata retrieval with several levels of %parent indirection.
    */
   function testSchemaMappingWithParents() {
-    $config_data = config_typed()->get('config_test.someschema.with_parents');
+    $config_data = \Drupal::service('config.typed')->get('config_test.someschema.with_parents');
 
     // Test fetching parent one level up.
     $entry = $config_data->get('one_level');
@@ -198,7 +198,7 @@ function testSchemaMappingWithParents() {
    */
   function testSchemaData() {
     // Try some simple properties.
-    $meta = config_typed()->get('system.site');
+    $meta = \Drupal::service('config.typed')->get('system.site');
     $property = $meta->get('name');
     $this->assertTrue($property instanceof StringInterface, 'Got the right wrapper fo the site name property.');
     $this->assertEqual($property->getValue(), 'Drupal', 'Got the right string value for site name data.');
@@ -224,7 +224,7 @@ function testSchemaData() {
     $this->assertTrue(count($values) == 3 && $values['front'] == 'user', 'Got the right property values for site page.');
 
     // Now let's try something more complex, with nested objects.
-    $wrapper = config_typed()->get('image.style.large');
+    $wrapper = \Drupal::service('config.typed')->get('image.style.large');
     $effects = $wrapper->get('effects');
 
     // The function is_array() doesn't work with ArrayAccess, so we use count().
@@ -237,7 +237,7 @@ function testSchemaData() {
 
     // Finally update some object using a configuration wrapper.
     $new_slogan = 'Site slogan for testing configuration metadata';
-    $wrapper = config_typed()->get('system.site');
+    $wrapper = \Drupal::service('config.typed')->get('system.site');
     $wrapper->set('slogan', $new_slogan);
     $site_slogan = $wrapper->get('slogan');
     $this->assertEqual($site_slogan->getValue(), $new_slogan, 'Successfully updated the contained configuration data');
diff --git a/core/modules/contact/contact.module b/core/modules/contact/contact.module
index a3246a3..0a48f46 100644
--- a/core/modules/contact/contact.module
+++ b/core/modules/contact/contact.module
@@ -112,7 +112,7 @@ function contact_entity_info_alter(&$entity_info) {
  */
 function contact_entity_bundle_info() {
   $bundles = array();
-  foreach (config_get_storage_names_with_prefix('contact.category.') as $config_name) {
+  foreach (\Drupal::configFactory()->listAll('contact.category.') as $config_name) {
     $config = \Drupal::config($config_name);
     $bundles['contact_message'][$config->get('id')]['label'] = $config->get('label');
   }
diff --git a/core/modules/content_translation/content_translation.module b/core/modules/content_translation/content_translation.module
index aea9349..b2df66b 100644
--- a/core/modules/content_translation/content_translation.module
+++ b/core/modules/content_translation/content_translation.module
@@ -146,7 +146,7 @@ function content_translation_entity_bundle_info_alter(&$bundles) {
  * Implements hook_entity_field_info_alter().
  */
 function content_translation_entity_field_info_alter(&$info, $entity_type) {
-  $translation_settings = config('content_translation.settings')->get($entity_type);
+  $translation_settings = \Drupal::config('content_translation.settings')->get($entity_type);
 
   if ($translation_settings) {
     // Currently field translatability is defined per-field but we may want to
diff --git a/core/modules/entity/entity.module b/core/modules/entity/entity.module
index 4816d0b..370046a 100644
--- a/core/modules/entity/entity.module
+++ b/core/modules/entity/entity.module
@@ -132,7 +132,7 @@ function entity_entity_bundle_rename($entity_type_id, $bundle_old, $bundle_new)
   // Rename entity displays.
   $entity_type = \Drupal::entityManager()->getDefinition('entity_view_display');
   if ($bundle_old !== $bundle_new) {
-    $ids = config_get_storage_names_with_prefix('entity.view_display.' . $entity_type_id . '.' . $bundle_old . '.');
+    $ids = \Drupal::configFactory()->listAll('entity.view_display.' . $entity_type_id . '.' . $bundle_old . '.');
     foreach ($ids as $id) {
       $id = ConfigStorageController::getIDFromConfigName($id, $entity_type->getConfigPrefix());
       $display = entity_load('entity_view_display', $id);
@@ -146,7 +146,7 @@ function entity_entity_bundle_rename($entity_type_id, $bundle_old, $bundle_new)
   // Rename entity form displays.
   $entity_type = \Drupal::entityManager()->getDefinition('entity_form_display');
   if ($bundle_old !== $bundle_new) {
-    $ids = config_get_storage_names_with_prefix('entity.form_display.' . $entity_type_id . '.' . $bundle_old . '.');
+    $ids = \Drupal::configFactory()->listAll('entity.form_display.' . $entity_type_id . '.' . $bundle_old . '.');
     foreach ($ids as $id) {
       $id = ConfigStorageController::getIDFromConfigName($id, $entity_type->getConfigPrefix());
       $form_display = entity_load('entity_form_display', $id);
@@ -164,7 +164,7 @@ function entity_entity_bundle_rename($entity_type_id, $bundle_old, $bundle_new)
 function entity_entity_bundle_delete($entity_type_id, $bundle) {
   // Remove entity displays of the deleted bundle.
   $entity_type = \Drupal::entityManager()->getDefinition('entity_view_display');
-  $ids = config_get_storage_names_with_prefix('entity.view_display.' . $entity_type_id . '.' . $bundle . '.');
+  $ids = \Drupal::configFactory()->listAll('entity.view_display.' . $entity_type_id . '.' . $bundle . '.');
   foreach ($ids as &$id) {
     $id = ConfigStorageController::getIDFromConfigName($id, $entity_type->getConfigPrefix());
   }
@@ -172,7 +172,7 @@ function entity_entity_bundle_delete($entity_type_id, $bundle) {
 
   // Remove entity form displays of the deleted bundle.
   $entity_type = \Drupal::entityManager()->getDefinition('entity_form_display');
-  $ids = config_get_storage_names_with_prefix('entity.form_display.' . $entity_type_id . '.' . $bundle . '.');
+  $ids = \Drupal::configFactory()->listAll('entity.form_display.' . $entity_type_id . '.' . $bundle . '.');
   foreach ($ids as &$id) {
     $id = ConfigStorageController::getIDFromConfigName($id, $entity_type->getConfigPrefix());
   }
diff --git a/core/modules/field/lib/Drupal/field/FieldInfo.php b/core/modules/field/lib/Drupal/field/FieldInfo.php
index 7269567..5775477 100644
--- a/core/modules/field/lib/Drupal/field/FieldInfo.php
+++ b/core/modules/field/lib/Drupal/field/FieldInfo.php
@@ -58,7 +58,7 @@ class FieldInfo {
    *
    * @var \Drupal\Core\Config\ConfigFactoryInterface
    */
-  protected $config;
+  protected $configFactory;
 
   /**
    * Lightweight map of fields across entity types and bundles.
@@ -128,17 +128,17 @@ class FieldInfo {
    *
    * @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
    *   The cache backend to use.
-   * @param \Drupal\Core\Config\ConfigFactory $config
+   * @param \Drupal\Core\Config\ConfigFactory $config_factory
    *   The configuration factory object to use.
    * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
    *   The module handler class to use for invoking hooks.
    * @param \Drupal\Core\Field\FieldTypePluginManagerInterface $field_type_manager
    *   The 'field type' plugin manager.
    */
-  public function __construct(CacheBackendInterface $cache_backend, ConfigFactory $config, ModuleHandlerInterface $module_handler, FieldTypePluginManagerInterface $field_type_manager) {
+  public function __construct(CacheBackendInterface $cache_backend, ConfigFactory $config_factory, ModuleHandlerInterface $module_handler, FieldTypePluginManagerInterface $field_type_manager) {
     $this->cacheBackend = $cache_backend;
     $this->moduleHandler = $module_handler;
-    $this->config = $config;
+    $this->configFactory = $config_factory;
     $this->fieldTypeManager = $field_type_manager;
   }
 
@@ -190,13 +190,13 @@ public function getFieldMap() {
     $map = array();
 
     // Get fields.
-    foreach (config_get_storage_names_with_prefix('field.field.') as $config_id) {
-      $field_config = $this->config->get($config_id)->get();
+    foreach ($this->configFactory->listAll('field.field.') as $config_id) {
+      $field_config = $this->configFactory->get($config_id)->get();
       $fields[$field_config['uuid']] = $field_config;
     }
     // Get field instances.
-    foreach (config_get_storage_names_with_prefix('field.instance.') as $config_id) {
-      $instance_config = $this->config->get($config_id)->get();
+    foreach ($this->configFactory->listAll('field.instance.') as $config_id) {
+      $instance_config = $this->configFactory->get($config_id)->get();
       $field_uuid = $instance_config['field_uuid'];
       if (isset($fields[$field_uuid])) {
         $field = $fields[$field_uuid];
diff --git a/core/modules/field_ui/lib/Drupal/field_ui/DisplayOverviewBase.php b/core/modules/field_ui/lib/Drupal/field_ui/DisplayOverviewBase.php
index 2ed54e8..a0fe179 100644
--- a/core/modules/field_ui/lib/Drupal/field_ui/DisplayOverviewBase.php
+++ b/core/modules/field_ui/lib/Drupal/field_ui/DisplayOverviewBase.php
@@ -8,6 +8,7 @@
 namespace Drupal\field_ui;
 
 use Drupal\Component\Plugin\PluginManagerBase;
+use Drupal\Core\Config\ConfigFactoryInterface;
 use Drupal\Core\Entity\Display\EntityDisplayInterface;
 use Drupal\Core\Entity\EntityManagerInterface;
 use Drupal\Core\Field\FieldDefinitionInterface;
@@ -41,6 +42,13 @@
   protected $fieldTypes;
 
   /**
+   * The config factory.
+   *
+   * @var \Drupal\Core\Config\ConfigFactoryInterface
+   */
+  protected $configFactory;
+
+  /**
    * Constructs a new DisplayOverviewBase.
    *
    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
@@ -49,12 +57,15 @@
    *   The field type manager.
    * @param \Drupal\Component\Plugin\PluginManagerBase $plugin_manager
    *   The widget or formatter plugin manager.
+   * @param \Drupal\Core\Config\ConfigFactory $config_factory
+   *   The configuration factory.
    */
-  public function __construct(EntityManagerInterface $entity_manager, FieldTypePluginManagerInterface $field_type_manager, PluginManagerBase $plugin_manager) {
+  public function __construct(EntityManagerInterface $entity_manager, FieldTypePluginManagerInterface $field_type_manager, PluginManagerBase $plugin_manager, ConfigFactoryInterface $config_factory) {
     parent::__construct($entity_manager);
 
     $this->fieldTypes = $field_type_manager->getConfigurableDefinitions();
     $this->pluginManager = $plugin_manager;
+    $this->configFactory = $config_factory;
   }
 
   /**
@@ -64,7 +75,8 @@ public static function create(ContainerInterface $container) {
     return new static(
       $container->get('entity.manager'),
       $container->get('plugin.manager.field.field_type'),
-      $container->get('plugin.manager.field.widget')
+      $container->get('plugin.manager.field.widget'),
+      $container->get('config.factory')
     );
   }
 
@@ -771,7 +783,7 @@ protected function getDisplays() {
     $display_entity_type = $this->getDisplayType();
     $entity_type = $this->entityManager->getDefinition($display_entity_type);
     $config_prefix = $entity_type->getConfigPrefix();
-    $ids = config_get_storage_names_with_prefix($config_prefix . '.' . $this->entity_type . '.' . $this->bundle . '.');
+    $ids = $this->configFactory->listAll($config_prefix . '.' . $this->entity_type . '.' . $this->bundle . '.');
     foreach ($ids as $id) {
       $config_id = str_replace($config_prefix . '.', '', $id);
       list(,, $display_mode) = explode('.', $config_id);
diff --git a/core/modules/menu/menu.module b/core/modules/menu/menu.module
index 5199bea..0ee4872 100644
--- a/core/modules/menu/menu.module
+++ b/core/modules/menu/menu.module
@@ -130,7 +130,7 @@ function menu_entity_info(&$entity_info) {
  */
 function menu_entity_bundle_info() {
   $bundles = array();
-  $config_names = config_get_storage_names_with_prefix('system.menu.');
+  $config_names = \Drupal::configFactory()->listAll('system.menu.');
   foreach ($config_names as $config_name) {
     $config = \Drupal::config($config_name);
     $bundles['menu_link'][$config->get('id')] = array(
diff --git a/core/modules/node/node.install b/core/modules/node/node.install
index eaa022c..a6af612 100644
--- a/core/modules/node/node.install
+++ b/core/modules/node/node.install
@@ -456,7 +456,7 @@ function node_install() {
  */
 function node_uninstall() {
   // Delete node type variables.
-  $types = config_get_storage_names_with_prefix('node.type.');
+  $types = \Drupal::configFactory()->listAll('node.type.');
   foreach ($types as $config_name) {
     $type = \Drupal::config($config_name)->get('type');
     \Drupal::config('language.settings')->clear('node. ' . $type . '.language.default_configuration')->save();
diff --git a/core/modules/node/node.module b/core/modules/node/node.module
index c1b67b0..e83fafa 100644
--- a/core/modules/node/node.module
+++ b/core/modules/node/node.module
@@ -343,7 +343,7 @@ function node_type_get_names() {
   // Not using node_type_get_types() or entity_load_multiple() here, to allow
   // this function being used in hook_entity_info() implementations.
   // @todo Consider to convert this into a generic config entity helper.
-  $config_names = config_get_storage_names_with_prefix('node.type.');
+  $config_names = \Drupal::configFactory()->listAll('node.type.');
   $names = array();
   foreach ($config_names as $config_name) {
     $config = \Drupal::config($config_name);
@@ -1842,9 +1842,9 @@ function node_modules_installed($modules) {
  */
 function node_modules_uninstalled($modules) {
   // Remove module-specific settings from all node types.
-  $config_names = config_get_storage_names_with_prefix('node.type.');
+  $config_names = \Drupal::configFactory()->listAll('node.type.');
   foreach ($config_names as $config_name) {
-    $config = config($config_name);
+    $config = \Drupal::config($config_name);
     $changed = FALSE;
     foreach ($modules as $module) {
       if ($config->get('settings.' . $module)) {
diff --git a/core/modules/rdf/lib/Drupal/rdf/Tests/CrudTest.php b/core/modules/rdf/lib/Drupal/rdf/Tests/CrudTest.php
index c6ca292..26f793d 100644
--- a/core/modules/rdf/lib/Drupal/rdf/Tests/CrudTest.php
+++ b/core/modules/rdf/lib/Drupal/rdf/Tests/CrudTest.php
@@ -44,7 +44,7 @@ function testMappingCreation() {
     // Save bundle mapping config.
     rdf_get_mapping($this->entity_type, $this->bundle)->save();
     // Test that config file was saved.
-    $mapping_config = config_get_storage_names_with_prefix('rdf.mapping.');
+    $mapping_config = \Drupal::configFactory()->listAll('rdf.mapping.');
     $this->assertTrue(in_array($mapping_config_name, $mapping_config), 'Rdf mapping config saved.');
   }
 
diff --git a/core/modules/system/lib/Drupal/system/Tests/Module/InstallTest.php b/core/modules/system/lib/Drupal/system/Tests/Module/InstallTest.php
index 582ad5b..c668fe9 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Module/InstallTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Module/InstallTest.php
@@ -58,7 +58,7 @@ public function testDrupalWriteRecord() {
    */
   public function testEnableUserTwice() {
     \Drupal::moduleHandler()->install(array('user'), FALSE);
-    $this->assertIdentical(config('system.module')->get('enabled.user'), 0);
+    $this->assertIdentical(\Drupal::config('system.module')->get('enabled.user'), 0);
   }
 
   /**
diff --git a/core/modules/system/lib/Drupal/system/Tests/Module/ModuleTestBase.php b/core/modules/system/lib/Drupal/system/Tests/Module/ModuleTestBase.php
index 95844f6..b644c19 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Module/ModuleTestBase.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Module/ModuleTestBase.php
@@ -137,7 +137,7 @@ function assertModuleConfig($module) {
    *   TRUE if no configuration was found, FALSE otherwise.
    */
   function assertNoModuleConfig($module) {
-    $names = config_get_storage_names_with_prefix($module . '.');
+    $names = \Drupal::configFactory()->listAll($module . '.');
     return $this->assertFalse($names, format_string('No configuration found for @module module.', array('@module' => $module)));
   }
 
diff --git a/core/modules/system/lib/Drupal/system/Tests/System/TokenReplaceUnitTest.php b/core/modules/system/lib/Drupal/system/Tests/System/TokenReplaceUnitTest.php
index e4e7b7b..623d995 100644
--- a/core/modules/system/lib/Drupal/system/Tests/System/TokenReplaceUnitTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/System/TokenReplaceUnitTest.php
@@ -65,7 +65,7 @@ public function testClear() {
     $source .= '[bogus:token]';
 
     // Replace with with the clear parameter, only the valid token should remain.
-    $target = String::checkPlain(config('system.site')->get('name'));
+    $target = String::checkPlain(\Drupal::config('system.site')->get('name'));
     $result = $this->tokenService->replace($source, array(), array('langcode' => $this->languageInterface->id, 'clear' => TRUE));
     $this->assertEqual($target, $result, 'Valid tokens replaced while invalid tokens ignored.');
 
diff --git a/core/modules/system/lib/Drupal/system/Tests/Theme/ThemeSuggestionsAlterTest.php b/core/modules/system/lib/Drupal/system/Tests/Theme/ThemeSuggestionsAlterTest.php
index 8f6e9b6..390687d 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Theme/ThemeSuggestionsAlterTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Theme/ThemeSuggestionsAlterTest.php
@@ -43,7 +43,7 @@ function testTemplateSuggestions() {
 
     // Enable test_theme, it contains a template suggested by theme_test.module
     // in theme_test_theme_suggestions_theme_test_suggestion_provided().
-    config('system.theme')
+    \Drupal::config('system.theme')
       ->set('default', 'test_theme')
       ->save();
 
@@ -59,7 +59,7 @@ function testGeneralSuggestionsAlter() {
     $this->assertText('Original template for testing hook_theme_suggestions_alter().');
 
     // Enable test_theme and test that themes can alter template suggestions.
-    config('system.theme')
+    \Drupal::config('system.theme')
       ->set('default', 'test_theme')
       ->save();
     $this->drupalGet('theme-test/general-suggestion-alter');
@@ -80,7 +80,7 @@ function testTemplateSuggestionsAlter() {
     $this->assertText('Original template for testing hook_theme_suggestions_HOOK_alter().');
 
     // Enable test_theme and test that themes can alter template suggestions.
-    config('system.theme')
+    \Drupal::config('system.theme')
       ->set('default', 'test_theme')
       ->save();
     $this->drupalGet('theme-test/suggestion-alter');
@@ -101,7 +101,7 @@ function testSpecificSuggestionsAlter() {
     $this->drupalGet('theme-test/specific-suggestion-alter');
     $this->assertText('Template for testing specific theme calls.');
 
-    config('system.theme')
+    \Drupal::config('system.theme')
       ->set('default', 'test_theme')
       ->save();
 
@@ -125,7 +125,7 @@ function testThemeFunctionSuggestionsAlter() {
     $this->assertText('Original theme function.');
 
     // Enable test_theme and test that themes can alter theme suggestions.
-    config('system.theme')
+    \Drupal::config('system.theme')
       ->set('default', 'test_theme')
       ->save();
     $this->drupalGet('theme-test/function-suggestion-alter');
@@ -146,7 +146,7 @@ function testThemeFunctionSuggestionsAlter() {
    */
   function testExecutionOrder() {
     // Enable our test theme and module.
-    config('system.theme')
+    \Drupal::config('system.theme')
       ->set('default', 'test_theme')
       ->save();
     \Drupal::moduleHandler()->install(array('theme_suggestions_test'));
diff --git a/core/modules/taxonomy/taxonomy.module b/core/modules/taxonomy/taxonomy.module
index b85cc96..4fc1dd9 100644
--- a/core/modules/taxonomy/taxonomy.module
+++ b/core/modules/taxonomy/taxonomy.module
@@ -462,7 +462,7 @@ function taxonomy_vocabulary_get_names() {
 
   if (!isset($names)) {
     $names = array();
-    $config_names = config_get_storage_names_with_prefix('taxonomy.vocabulary.');
+    $config_names = \Drupal::configFactory()->listAll('taxonomy.vocabulary.');
     foreach ($config_names as $config_name) {
       $id = substr($config_name, strlen('taxonomy.vocabulary.'));
       $names[$id] = $id;