diff --git a/core/includes/bootstrap.inc b/core/includes/bootstrap.inc
index b24430c..3e98879 100644
--- a/core/includes/bootstrap.inc
+++ b/core/includes/bootstrap.inc
@@ -122,47 +122,6 @@
 define('DRUPAL_ROOT', dirname(dirname(__DIR__)));
 
 /**
- * Returns the appropriate configuration directory.
- *
- * @param bool $require_settings
- *   Only configuration directories with an existing settings.php file
- *   will be recognized. Defaults to TRUE. During initial installation,
- *   this is set to FALSE so that Drupal can detect a matching directory,
- *   then create a new settings.php file in it.
- * @param bool $reset
- *   Force a full search for matching directories even if one had been
- *   found previously. Defaults to FALSE.
- * @param \Symfony\Component\HttpFoundation\Request $request
- *   (optional) The current request. Defaults to \Drupal::request() or a new
- *   request created from globals.
- *
- * @return string
- *   The path of the matching directory.@see default.settings.php
- *
- * @deprecated in Drupal 8.x-dev, will be removed before Drupal 8.0.
- *   Use \Drupal\Core\DrupalKernel::getSitePath() instead. If the kernel is
- *   unavailable or the site path needs to be recalculated then
- *   Drupal\Core\DrupalKernel::findSitePath() can be used.
- */
-function conf_path($require_settings = TRUE, $reset = FALSE, Request $request = NULL) {
-  if (!isset($request)) {
-    if (\Drupal::hasRequest()) {
-      $request = \Drupal::request();
-    }
-    // @todo Remove once external CLI scripts (Drush) are updated.
-    else {
-      $request = Request::createFromGlobals();
-    }
-  }
-  if (\Drupal::hasService('kernel')) {
-    $site_path = \Drupal::service('kernel')->getSitePath();
-  }
-  if (!isset($site_path) || empty($site_path)) {
-    $site_path = DrupalKernel::findSitePath($request, $require_settings);
-  }
-  return $site_path;
-}
-/**
  * Returns the path of a configuration directory.
  *
  * Configuration directories are configured using $config_directories in
diff --git a/core/tests/Drupal/KernelTests/KernelTestBase.php b/core/tests/Drupal/KernelTests/KernelTestBase.php
index a09227b..42d7afb 100644
--- a/core/tests/Drupal/KernelTests/KernelTestBase.php
+++ b/core/tests/Drupal/KernelTests/KernelTestBase.php
@@ -1031,7 +1031,7 @@ public function __get($name) {
       trigger_error(sprintf("KernelTestBase::\$%s no longer exists. Use the regular API method to retrieve it instead (e.g., Settings).", $name), E_USER_DEPRECATED);
       switch ($name) {
         case 'public_files_directory':
-          return Settings::get('file_public_path', conf_path() . '/files');
+          return Settings::get('file_public_path', \Drupal::service('site.path') . '/files');
 
         case 'private_files_directory':
           return $this->container->get('config.factory')->get('system.file')->get('path.private');
@@ -1040,7 +1040,7 @@ public function __get($name) {
           return file_directory_temp();
 
         case 'translation_files_directory':
-          return Settings::get('file_public_path', conf_path() . '/translations');
+          return Settings::get('file_public_path', \Drupal::service('site.path') . '/translations');
       }
     }
 
diff --git a/sites/example.sites.php b/sites/example.sites.php
index 23a9c71..60afae7 100644
--- a/sites/example.sites.php
+++ b/sites/example.sites.php
@@ -50,6 +50,6 @@
  * @endcode
  *
  * @see default.settings.php
- * @see conf_path()
+ * @see \Drupal\Core\DrupalKernel::getSitePath()
  * @see https://www.drupal.org/documentation/install/multi-site
  */