diff --git a/core/lib/Drupal/Core/CoreServiceProvider.php b/core/lib/Drupal/Core/CoreServiceProvider.php
index 8371776b46..e07046ae0a 100644
--- a/core/lib/Drupal/Core/CoreServiceProvider.php
+++ b/core/lib/Drupal/Core/CoreServiceProvider.php
@@ -27,7 +27,6 @@
 use Drupal\Core\Render\MainContent\MainContentRenderersPass;
 use Drupal\Core\Site\Settings;
 use Symfony\Component\DependencyInjection\Compiler\PassConfig;
-use Symfony\Component\DependencyInjection\Reference;
 
 /**
  * ServiceProvider class for mandatory core services.
diff --git a/core/modules/path_alias/src/AliasManager.php b/core/modules/path_alias/src/AliasManager.php
index b326f0e74e..0ea87703c9 100644
--- a/core/modules/path_alias/src/AliasManager.php
+++ b/core/modules/path_alias/src/AliasManager.php
@@ -295,4 +295,5 @@ protected function pathAliasWhitelistRebuild($path = NULL) {
   protected function getRequestTime() {
     return defined('REQUEST_TIME') ? REQUEST_TIME : (int) $_SERVER['REQUEST_TIME'];
   }
+
 }
diff --git a/core/modules/path_alias/src/AliasRepository.php b/core/modules/path_alias/src/AliasRepository.php
index fe9931d97b..cfed4779fd 100644
--- a/core/modules/path_alias/src/AliasRepository.php
+++ b/core/modules/path_alias/src/AliasRepository.php
@@ -138,4 +138,5 @@ protected function addLanguageFallback(SelectInterface $query, $langcode) {
     }
     $query->condition('base_table.langcode', $langcode_list, 'IN');
   }
+
 }
diff --git a/core/modules/path_alias/src/AliasRepositoryInterface.php b/core/modules/path_alias/src/AliasRepositoryInterface.php
index 0b7aedc100..432ec1d6eb 100644
--- a/core/modules/path_alias/src/AliasRepositoryInterface.php
+++ b/core/modules/path_alias/src/AliasRepositoryInterface.php
@@ -77,4 +77,5 @@ public function lookupByAlias($alias, $langcode);
    *   TRUE if any alias exists, FALSE otherwise.
    */
   public function pathHasMatchingAlias($initial_substring);
+
 }
diff --git a/core/modules/path_alias/src/PathAliasStorage.php b/core/modules/path_alias/src/PathAliasStorage.php
index 88cafc2f25..e2b98f9bca 100644
--- a/core/modules/path_alias/src/PathAliasStorage.php
+++ b/core/modules/path_alias/src/PathAliasStorage.php
@@ -2,7 +2,6 @@
 
 namespace Drupal\path_alias;
 
-use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Entity\Sql\SqlContentEntityStorage;
 
 /**