diff --git a/core/lib/Drupal/Core/Config/Config.php b/core/lib/Drupal/Core/Config/Config.php
index e000200..2b54da8 100644
--- a/core/lib/Drupal/Core/Config/Config.php
+++ b/core/lib/Drupal/Core/Config/Config.php
@@ -57,6 +57,13 @@ class Config extends DependencySerialization {
   protected $name;
 
   /**
+   * The schema-applicable name of the configuration object.
+   *
+   * @var string
+   */
+  protected $schemaName;
+
+  /**
    * Whether the configuration object is new or has been saved to the storage.
    *
    * @var bool
@@ -138,7 +145,7 @@ class Config extends DependencySerialization {
    *   The language object used to override configuration data.
    */
   public function __construct($name, StorageInterface $storage, EventDispatcherInterface $event_dispatcher, TypedConfigManager $typed_config, Language $language = NULL) {
-    $this->name = $name;
+    $this->setName($name);
     $this->storage = $storage;
     $this->eventDispatcher = $event_dispatcher;
     $this->typedConfigManager = $typed_config;
@@ -185,6 +192,7 @@ public function getName() {
    */
   public function setName($name) {
     $this->name = $name;
+    $this->schemaName = self::getSchemaName($name);
     return $this;
   }
 
@@ -448,7 +456,7 @@ public function save() {
 
     // If there is a schema for this configuration object, cast all values to
     // conform to the schema.
-    if ($this->typedConfigManager->hasConfigSchema($this->name)) {
+    if ($this->typedConfigManager->hasConfigSchema($this->schemaName)) {
       // Ensure that the schema wrapper has the latest data.
       $this->schemaWrapper = NULL;
       foreach ($this->data as $key => $value) {
@@ -516,7 +524,7 @@ public function merge(array $data_to_merge) {
    */
   protected function getSchemaWrapper() {
     if (!isset($this->schemaWrapper)) {
-      $definition = $this->typedConfigManager->getDefinition($this->name);
+      $definition = $this->typedConfigManager->getDefinition($this->schemaName);
       $this->schemaWrapper = $this->typedConfigManager->create($definition, $this->data);
     }
     return $this->schemaWrapper;
@@ -650,5 +658,25 @@ public function getOriginal($key = '', $apply_overrides = TRUE) {
       }
     }
   }
+
+  /**
+   * Returns schema name for given config name.
+   *
+   * @param string $config_name
+   *   String configuration name.
+   *
+   * @return string
+   *  String name replaced with prefix patterns.
+   */
+  public static function getSchemaName($config_name) {
+    $schema_name = $config_name;
+    // @todo figure out how to allow expandibility.
+    $optional_prefixes = array(preg_quote(ConfigFactoryInterface::LANGUAGE_CONFIG_PREFIX) . '\.[^\.]+\.');
+    foreach ($optional_prefixes as $prefix) {
+      $schema_name = preg_replace('/^'.  $prefix . '(.+)/', '\1', $config_name);
+    }
+    return $schema_name;
+  }
+
 }
 
diff --git a/core/modules/config/lib/Drupal/config/Tests/DefaultConfigTest.php b/core/modules/config/lib/Drupal/config/Tests/DefaultConfigTest.php
index b7424f3..bd72223 100644
--- a/core/modules/config/lib/Drupal/config/Tests/DefaultConfigTest.php
+++ b/core/modules/config/lib/Drupal/config/Tests/DefaultConfigTest.php
@@ -9,6 +9,7 @@
 
 use Drupal\config_test\TestInstallStorage;
 use Drupal\config_test\TestSchemaStorage;
+use Drupal\Core\Config\Config;
 use Drupal\Core\Config\Schema\Property;
 use Drupal\Core\Config\TypedConfigManager;
 use Drupal\Core\TypedData\Type\BooleanInterface;
@@ -79,9 +80,10 @@ public function testDefaultConfig() {
     $default_config_storage = new TestInstallStorage();
 
     foreach ($default_config_storage->listAll() as $config_name) {
-      // @todo: remove once migration (https://drupal.org/node/2183957) and
-      // translation (https://drupal.org/node/2168609) schemas are in.
-      if (strpos($config_name, 'migrate.migration') === 0 || strpos($config_name, 'language.config') === 0) {
+      $schema_name  = Config::getSchemaName($config_name);
+
+      // @todo: remove once migration https://drupal.org/node/2183957 is in.
+      if (strpos($schema_name, 'migrate.migration') === 0) {
         continue;
       }
 
@@ -91,17 +93,17 @@ public function testDefaultConfig() {
       // type fallback.
       // 3. config_test.schema_in_install is testing that schema are used during
       // configuration installation.
-      if ($config_name == 'config_test.noschema' || $config_name == 'config_test.someschema' || $config_name == 'config_test.schema_in_install') {
+      if ($schema_name == 'config_test.noschema' || $schema_name == 'config_test.someschema' || $schema_name == 'config_test.schema_in_install') {
         continue;
       }
 
       $this->configName = $config_name;
       $data = $default_config_storage->read($config_name);
-      if (!$typed_config->hasConfigSchema($config_name)) {
+      if (!$typed_config->hasConfigSchema($schema_name)) {
         $this->fail(String::format('No schema for !config_name', array('!config_name' => $config_name)));
         continue;
       }
-      $definition = $typed_config->getDefinition($config_name);
+      $definition = $typed_config->getDefinition($schema_name);
       $this->schema = $typed_config->create($definition, $data);
       $this->configPass = TRUE;
       foreach ($data as $key => $value) {
diff --git a/core/modules/tour/tests/tour_test/config/language.config.it.tour.tour.tour-test.yml b/core/modules/tour/tests/tour_test/config/language.config.it.tour.tour.tour-test.yml
index e36e435..541674f 100644
--- a/core/modules/tour/tests/tour_test/config/language.config.it.tour.tour.tour-test.yml
+++ b/core/modules/tour/tests/tour_test/config/language.config.it.tour.tour.tour-test.yml
@@ -3,3 +3,4 @@ tips:
   tour-test-1:
     label: La pioggia cade in spagna
     body: Per lo più in pianura.
+    plugin: text