diff --git a/core/lib/Drupal/Core/Config/ConfigEvents.php b/core/lib/Drupal/Core/Config/ConfigEvents.php
index 8f61193..a5c8b57 100644
--- a/core/lib/Drupal/Core/Config/ConfigEvents.php
+++ b/core/lib/Drupal/Core/Config/ConfigEvents.php
@@ -30,7 +30,7 @@
   /**
    * Name of event fired when renaming a configuration object.
    *
-   * @see \Drupal\Core\Config\ConfigFactory::rename().
+   * @see \Drupal\Core\Config\ConfigFactoryInterface::rename().
    */
   const RENAME = 'config.rename';
 
diff --git a/core/modules/aggregator/lib/Drupal/aggregator/ItemsImporter.php b/core/modules/aggregator/lib/Drupal/aggregator/ItemsImporter.php
index 6bc4dec..ac3277d 100644
--- a/core/modules/aggregator/lib/Drupal/aggregator/ItemsImporter.php
+++ b/core/modules/aggregator/lib/Drupal/aggregator/ItemsImporter.php
@@ -9,7 +9,7 @@
 
 use Drupal\aggregator\Plugin\AggregatorPluginManager;
 use Drupal\Component\Plugin\Exception\PluginException;
-use Drupal\Core\Config\ConfigFactory;
+use Drupal\Core\Config\ConfigFactoryInterface;
 
 /**
  * Defines an importer of aggregator items.
@@ -47,7 +47,7 @@ class ItemsImporter implements ItemsImporterInterface {
   /**
    * Constructs an Importer object.
    *
-   * @param \Drupal\Core\Config\ConfigFactory $config_factory
+   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
    *   The factory for configuration objects.
    * @param \Drupal\aggregator\Plugin\AggregatorPluginManager $fetcher_manager
    *   The aggregator fetcher plugin manager.
@@ -56,7 +56,7 @@ class ItemsImporter implements ItemsImporterInterface {
    * @param \Drupal\aggregator\Plugin\AggregatorPluginManager $processor_manager
    *   The aggregator processor plugin manager.
    */
-  public function __construct(ConfigFactory $config_factory, AggregatorPluginManager $fetcher_manager, AggregatorPluginManager $parser_manager, AggregatorPluginManager $processor_manager) {
+  public function __construct(ConfigFactoryInterface $config_factory, AggregatorPluginManager $fetcher_manager, AggregatorPluginManager $parser_manager, AggregatorPluginManager $processor_manager) {
     $this->fetcherManager = $fetcher_manager;
     $this->processorManager = $processor_manager;
     $this->parserManager = $parser_manager;
diff --git a/core/modules/field_ui/lib/Drupal/field_ui/DisplayOverview.php b/core/modules/field_ui/lib/Drupal/field_ui/DisplayOverview.php
index 592f0a5..956d15f 100644
--- a/core/modules/field_ui/lib/Drupal/field_ui/DisplayOverview.php
+++ b/core/modules/field_ui/lib/Drupal/field_ui/DisplayOverview.php
@@ -44,7 +44,7 @@ class DisplayOverview extends DisplayOverviewBase {
    *   The widget or formatter plugin manager.
    * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
    *   The module handler class to use for invoking hooks.
-   * @param \Drupal\Core\Config\ConfigFactory $config_factory
+   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
    *   The configuration factory.
    */
   public function __construct(EntityManagerInterface $entity_manager, FieldTypePluginManager $field_type_manager, PluginManagerBase $plugin_manager, ModuleHandlerInterface $module_handler, ConfigFactoryInterface $config_factory) {
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 115bfc6..bc58610 100644
--- a/core/modules/field_ui/lib/Drupal/field_ui/DisplayOverviewBase.php
+++ b/core/modules/field_ui/lib/Drupal/field_ui/DisplayOverviewBase.php
@@ -57,7 +57,7 @@
    *   The field type manager.
    * @param \Drupal\Component\Plugin\PluginManagerBase $plugin_manager
    *   The widget or formatter plugin manager.
-   * @param \Drupal\Core\Config\ConfigFactory $config_factory
+   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
    *   The configuration factory.
    */
   public function __construct(EntityManagerInterface $entity_manager, FieldTypePluginManagerInterface $field_type_manager, PluginManagerBase $plugin_manager, ConfigFactoryInterface $config_factory) {
diff --git a/core/modules/field_ui/lib/Drupal/field_ui/FormDisplayOverview.php b/core/modules/field_ui/lib/Drupal/field_ui/FormDisplayOverview.php
index 2e19fb9..7c0a5ff 100644
--- a/core/modules/field_ui/lib/Drupal/field_ui/FormDisplayOverview.php
+++ b/core/modules/field_ui/lib/Drupal/field_ui/FormDisplayOverview.php
@@ -44,7 +44,7 @@ class FormDisplayOverview extends DisplayOverviewBase {
    *   The widget or formatter plugin manager.
    * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
    *   The module handler to use for invoking hooks.
-   * @param \Drupal\Core\Config\ConfigFactory $config_factory
+   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
    *   The configuration factory.
    */
   public function __construct(EntityManagerInterface $entity_manager, FieldTypePluginManager $field_type_manager, PluginManagerBase $plugin_manager, ModuleHandlerInterface $module_handler, ConfigFactoryInterface $config_factory) {
diff --git a/core/modules/statistics/lib/Drupal/statistics/StatisticsSettingsForm.php b/core/modules/statistics/lib/Drupal/statistics/StatisticsSettingsForm.php
index d4683a9..38bfbbe 100644
--- a/core/modules/statistics/lib/Drupal/statistics/StatisticsSettingsForm.php
+++ b/core/modules/statistics/lib/Drupal/statistics/StatisticsSettingsForm.php
@@ -8,7 +8,7 @@
 
 use Drupal\Core\Extension\ModuleHandlerInterface;
 use Drupal\Core\Form\ConfigFormBase;
-use Drupal\Core\Config\ConfigFactory;
+use Drupal\Core\Config\ConfigFactoryInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
@@ -26,12 +26,12 @@ class StatisticsSettingsForm extends ConfigFormBase {
   /**
    * Constructs a \Drupal\user\StatisticsSettingsForm object.
    *
-   * @param \Drupal\Core\Config\ConfigFactory $config_factory
+   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
    *   The factory for configuration objects.
    * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
    *   The module handler.
    */
-  public function __construct(ConfigFactory $config_factory, ModuleHandlerInterface $module_handler) {
+  public function __construct(ConfigFactoryInterface $config_factory, ModuleHandlerInterface $module_handler) {
     parent::__construct($config_factory);
 
     $this->moduleHandler = $module_handler;