diff --git a/core/includes/bootstrap.inc b/core/includes/bootstrap.inc
index 7f9df9c..d33cff5 100644
--- a/core/includes/bootstrap.inc
+++ b/core/includes/bootstrap.inc
@@ -2436,16 +2436,7 @@ function drupal_container(Container $reset = NULL) {
     $container = new ContainerBuilder();
 
     // Register configuration storage class and options.
-    // @todo The active store and its options need to be configurable.
-    //   Use either global $conf (recursion warning) or global $config, or a
-    //   bootstrap configuration *file* to allow to set/override this very
-    //   lowest of low level configuration.
-    $container->setParameter('config.storage.options', array(
-      'connection' => 'default',
-      'target' => 'default',
-    ));
-    $container->register('config.storage', 'Drupal\Core\Config\DatabaseStorage')
-      ->addArgument('%config.storage.options%');
+    $container->register('config.storage', 'Drupal\Core\Config\DatabaseStorage');
 
     $container->register('config.subscriber.globalconf', 'Drupal\Core\EventSubscriber\ConfigGlobalOverrideSubscriber');
     $container->register('dispatcher', 'Symfony\Component\EventDispatcher\EventDispatcher')
diff --git a/core/includes/config.inc b/core/includes/config.inc
index 369a0d1..cbd3fd5 100644
--- a/core/includes/config.inc
+++ b/core/includes/config.inc
@@ -24,7 +24,7 @@ use Drupal\Core\Config\StorageInterface;
 function config_install_default_config($type, $name) {
   $config_dir = drupal_get_path($type, $name) . '/config';
   if (is_dir($config_dir)) {
-    $source_storage = new FileStorage(array('directory' => $config_dir));
+    $source_storage = new FileStorage($config_dir);
     $target_storage = drupal_container()->get('config.storage');
     $null_storage = new NullStorage();
 
diff --git a/core/includes/update.inc b/core/includes/update.inc
index 5582bb4..9dd8456 100644
--- a/core/includes/update.inc
+++ b/core/includes/update.inc
@@ -1056,7 +1056,7 @@ function update_variables_to_config($config_name, array $variable_map) {
   $module = strtok($config_name, '.');
 
   // Load and set default configuration values.
-  $file = new FileStorage(array('directory' => drupal_get_path('module', $module) . '/config'));
+  $file = new FileStorage(drupal_get_path('module', $module) . '/config');
   if (!$file->exists($config_name)) {
     throw new ConfigException("Default configuration file $config_name for $module extension not found but is required to exist.");
   }
diff --git a/core/lib/Drupal/Core/Config/DatabaseStorage.php b/core/lib/Drupal/Core/Config/DatabaseStorage.php
index ad8c155..6d73be1 100644
--- a/core/lib/Drupal/Core/Config/DatabaseStorage.php
+++ b/core/lib/Drupal/Core/Config/DatabaseStorage.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\Core\Config;
 
+use Drupal\Core\Database\Connection;
 use Drupal\Core\Database\Database;
 use Exception;
 
@@ -26,21 +27,16 @@ class DatabaseStorage implements StorageInterface {
   protected $options;
 
   /**
-   * Implements Drupal\Core\Config\StorageInterface::__construct().
+   * The database connection object to be used.
    */
-  public function __construct(array $options = array()) {
-    $options += array(
-      'connection' => 'default',
-      'target' => 'default',
-    );
-    $this->options = $options;
-  }
+  protected $connection = NULL;
 
   /**
-   * Returns the database connection to use.
+   * Constructs DatabaseStorage.
    */
-  protected function getConnection() {
-    return Database::getConnection($this->options['target'], $this->options['connection']);
+  public function __construct($target = 'default', $key = NULL) {
+    // This will be ripped out in the next patch, anyways.
+    $this->connection = Database::getConnection($target, $key);
   }
 
   /**
@@ -59,7 +55,7 @@ class DatabaseStorage implements StorageInterface {
     // @todo Remove this and use appropriate config.storage service definition
     //   in the installer instead.
     try {
-      $raw = $this->getConnection()->query('SELECT data FROM {config} WHERE name = :name', array(':name' => $name), $this->options)->fetchField();
+      $raw = $this->connection->query('SELECT data FROM {config} WHERE name = :name', array(':name' => $name))->fetchField();
       if ($raw !== FALSE) {
         $data = $this->decode($raw);
       }
@@ -78,8 +74,7 @@ class DatabaseStorage implements StorageInterface {
    */
   public function write($name, array $data) {
     $data = $this->encode($data);
-    $options = array('return' => Database::RETURN_AFFECTED) + $this->options;
-    return (bool) $this->getConnection()->merge('config', $options)
+    return (bool) $this->connection->merge('config', array('return' => Database::RETURN_AFFECTED))
       ->key(array('name' => $name))
       ->fields(array('data' => $data))
       ->execute();
@@ -93,8 +88,7 @@ class DatabaseStorage implements StorageInterface {
    * @todo Ignore slave targets for data manipulation operations.
    */
   public function delete($name) {
-    $options = array('return' => Database::RETURN_AFFECTED) + $this->options;
-    return (bool) $this->getConnection()->delete('config', $options)
+    return (bool) $this->connection->delete('config', array('return' => Database::RETURN_AFFECTED))
       ->condition('name', $name)
       ->execute();
   }
@@ -106,8 +100,7 @@ class DatabaseStorage implements StorageInterface {
    * @throws PDOException
    */
   public function rename($name, $new_name) {
-    $options = array('return' => Database::RETURN_AFFECTED) + $this->options;
-    return (bool) $this->getConnection()->update('config', $options)
+    return (bool) $this->connection->update('config', array('return' => Database::RETURN_AFFECTED))
       ->fields(array('name' => $new_name))
       ->condition('name', $name)
       ->execute();
@@ -139,8 +132,8 @@ class DatabaseStorage implements StorageInterface {
    *   Only thrown in case $this->options['throw_exception'] is TRUE.
    */
   public function listAll($prefix = '') {
-    return $this->getConnection()->query('SELECT name FROM {config} WHERE name LIKE :name', array(
+    return $this->connection->query('SELECT name FROM {config} WHERE name LIKE :name', array(
       ':name' => db_like($prefix) . '%',
-    ), $this->options)->fetchCol();
+    ))->fetchCol();
   }
 }
diff --git a/core/lib/Drupal/Core/Config/FileStorage.php b/core/lib/Drupal/Core/Config/FileStorage.php
index d96af7e..c068ab8 100644
--- a/core/lib/Drupal/Core/Config/FileStorage.php
+++ b/core/lib/Drupal/Core/Config/FileStorage.php
@@ -26,11 +26,11 @@ class FileStorage implements StorageInterface {
   /**
    * Implements Drupal\Core\Config\StorageInterface::__construct().
    */
-  public function __construct(array $options = array()) {
-    if (!isset($options['directory'])) {
-      $options['directory'] = config_get_config_directory();
+  public function __construct($directory = '') {
+    if (empty($directory)) {
+      $directory = config_get_config_directory();
     }
-    $this->options = $options;
+    $this->directory = $directory;
   }
 
   /**
@@ -40,7 +40,7 @@ class FileStorage implements StorageInterface {
    *   The path to the configuration file.
    */
   public function getFilePath($name) {
-    return $this->options['directory'] . '/' . $name . '.' . self::getFileExtension();
+    return $this->directory . '/' . $name . '.' . self::getFileExtension();
   }
 
   /**
@@ -99,8 +99,8 @@ class FileStorage implements StorageInterface {
    */
   public function delete($name) {
     if (!$this->exists($name)) {
-      if (!file_exists($this->options['directory'])) {
-        throw new StorageException($this->options['directory'] . '/ not found.');
+      if (!file_exists($this->directory)) {
+        throw new StorageException($this->directory . '/ not found.');
       }
       return FALSE;
     }
@@ -149,11 +149,11 @@ class FileStorage implements StorageInterface {
   public function listAll($prefix = '') {
     // glob() silently ignores the error of a non-existing search directory,
     // even with the GLOB_ERR flag.
-    if (!file_exists($this->options['directory'])) {
-      throw new StorageException($this->options['directory'] . '/ not found.');
+    if (!file_exists($this->directory)) {
+      throw new StorageException($this->directory . '/ not found.');
     }
     $extension = '.' . self::getFileExtension();
-    $files = glob($this->options['directory'] . '/' . $prefix . '*' . $extension);
+    $files = glob($this->directory . '/' . $prefix . '*' . $extension);
     $clean_name = function ($value) use ($extension) {
       return basename($value, $extension);
     };
diff --git a/core/lib/Drupal/Core/Config/NullStorage.php b/core/lib/Drupal/Core/Config/NullStorage.php
index ea21be1..09ae3e9 100644
--- a/core/lib/Drupal/Core/Config/NullStorage.php
+++ b/core/lib/Drupal/Core/Config/NullStorage.php
@@ -22,11 +22,6 @@ namespace Drupal\Core\Config;
  * This also can be used for testing purposes.
  */
 class NullStorage implements StorageInterface {
-  /**
-   * Implements Drupal\Core\Config\StorageInterface::__construct().
-   */
-  public function __construct(array $options = array()) {
-  }
 
   /**
    * Implements Drupal\Core\Config\StorageInterface::read().
diff --git a/core/lib/Drupal/Core/Config/StorageInterface.php b/core/lib/Drupal/Core/Config/StorageInterface.php
index a466538..2d3dcda 100644
--- a/core/lib/Drupal/Core/Config/StorageInterface.php
+++ b/core/lib/Drupal/Core/Config/StorageInterface.php
@@ -16,15 +16,6 @@ namespace Drupal\Core\Config;
 interface StorageInterface {
 
   /**
-   * Constructs the storage controller.
-   *
-   * @param array $options
-   *   An associative array containing configuration options specific to the
-   *   storage controller.
-   */
-  public function __construct(array $options = array());
-
-  /**
    * Reads configuration data from the storage.
    *
    * @param string $name
diff --git a/core/lib/Drupal/Core/CoreBundle.php b/core/lib/Drupal/Core/CoreBundle.php
index 2c5d180..cc0d32b 100644
--- a/core/lib/Drupal/Core/CoreBundle.php
+++ b/core/lib/Drupal/Core/CoreBundle.php
@@ -43,14 +43,6 @@ class CoreBundle extends Bundle
     $container->register('language_manager', 'Drupal\Core\Language\LanguageManager')
       ->addArgument(new Reference('request'))
       ->setScope('request');
-    $container->register('database', 'Drupal\Core\Database\Connection')
-      ->setFactoryClass('Drupal\Core\Database\Database')
-      ->setFactoryMethod('getConnection')
-      ->addArgument('default');
-    $container->register('database.slave', 'Drupal\Core\Database\Connection')
-      ->setFactoryClass('Drupal\Core\Database\Database')
-      ->setFactoryMethod('getConnection')
-      ->addArgument('slave');
 
     // @todo Replace below lines with the commented out block below it when it's
     //   performant to do so: http://drupal.org/node/1706064.
diff --git a/core/modules/config/lib/Drupal/config/Tests/Storage/DatabaseStorageTest.php b/core/modules/config/lib/Drupal/config/Tests/Storage/DatabaseStorageTest.php
index 2e1599f..f50fa64 100644
--- a/core/modules/config/lib/Drupal/config/Tests/Storage/DatabaseStorageTest.php
+++ b/core/modules/config/lib/Drupal/config/Tests/Storage/DatabaseStorageTest.php
@@ -24,7 +24,7 @@ class DatabaseStorageTest extends ConfigStorageTestBase {
   function setUp() {
     parent::setUp();
     $this->storage = new DatabaseStorage();
-    $this->invalidStorage = new DatabaseStorage(array('connection' => 'invalid'));
+    $this->invalidStorage = new DatabaseStorage('invalid');
   }
 
   protected function read($name) {
diff --git a/core/modules/config/lib/Drupal/config/Tests/Storage/FileStorageTest.php b/core/modules/config/lib/Drupal/config/Tests/Storage/FileStorageTest.php
index 0fd2ba4..3c617c8 100644
--- a/core/modules/config/lib/Drupal/config/Tests/Storage/FileStorageTest.php
+++ b/core/modules/config/lib/Drupal/config/Tests/Storage/FileStorageTest.php
@@ -25,7 +25,7 @@ class FileStorageTest extends ConfigStorageTestBase {
   function setUp() {
     parent::setUp();
     $this->storage = new FileStorage();
-    $this->invalidStorage = new FileStorage(array('directory' => $this->configDirectories[CONFIG_ACTIVE_DIRECTORY] . '/nonexisting'));
+    $this->invalidStorage = new FileStorage($this->configDirectories[CONFIG_ACTIVE_DIRECTORY] . '/nonexisting');
 
     // FileStorage::listAll() requires other configuration data to exist.
     $this->storage->write('system.performance', config('system.performance')->get());
diff --git a/core/modules/system/lib/Drupal/system/Tests/Module/ModuleTestBase.php b/core/modules/system/lib/Drupal/system/Tests/Module/ModuleTestBase.php
index 1698737..36f4be3 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Module/ModuleTestBase.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Module/ModuleTestBase.php
@@ -99,7 +99,7 @@ abstract class ModuleTestBase extends WebTestBase {
     if (!is_dir($module_config_dir)) {
       return;
     }
-    $module_file_storage = new FileStorage(array('directory' => $module_config_dir));
+    $module_file_storage = new FileStorage($module_config_dir);
     $names = $module_file_storage->listAll();
 
     // Verify that the config directory is not empty.