diff --git a/core/modules/language/src/ConfigurableLanguageInterface.php b/core/modules/language/src/ConfigurableLanguageInterface.php
index 260d79f..16536a1 100644
--- a/core/modules/language/src/ConfigurableLanguageInterface.php
+++ b/core/modules/language/src/ConfigurableLanguageInterface.php
@@ -8,10 +8,11 @@
 namespace Drupal\language;
 
 use Drupal\Core\Config\Entity\ConfigEntityInterface;
+use Drupal\Core\Language\LanguageInterface;
 
 /**
  * Provides an interface defining a language entity.
  */
-interface ConfigurableLanguageInterface extends ConfigEntityInterface, \Drupal\Core\Language\LanguageInterface  {
+interface ConfigurableLanguageInterface extends ConfigEntityInterface, LanguageInterface {
 
 }
diff --git a/core/modules/language/src/Tests/ConfigurableLanguageEntityTest.php b/core/modules/language/src/Tests/ConfigurableLanguageEntityTest.php
index 0244da2..8116d8a 100644
--- a/core/modules/language/src/Tests/ConfigurableLanguageEntityTest.php
+++ b/core/modules/language/src/Tests/ConfigurableLanguageEntityTest.php
@@ -43,15 +43,15 @@ public function testConfigurableLanguageMethods() {
 
     $setDirection = 0x1234; // integer
     $configurable_language->setDirection($setDirection);
-    $this->assertEqual( $configurable_language->getDirection(), $setDirection,  'Direction written and read correctly.');
+    $this->assertEqual($configurable_language->getDirection(), $setDirection,  'Direction written and read correctly.');
 
     $setWeight = 0x5678; // integer
     $configurable_language->setWeight($setWeight);
-    $this->assertEqual( $configurable_language->getWeight(), $setWeight,  'Weight written and read correctly.');
+    $this->assertEqual($configurable_language->getWeight(), $setWeight,  'Weight written and read correctly.');
 
     $setMethod = 'Set Negotiation Method Identifier'; // String
     $configurable_language->setNegotiationMethodId($setMethod);
-    $this->assertEqual( $configurable_language->getNegotiationMethodId(), $setMethod,  'Negotiation Method Identifier written and read correctly.');
+    $this->assertEqual($configurable_language->getNegotiationMethodId(), $setMethod,  'Negotiation Method Identifier written and read correctly.');
   }
 
-}
\ No newline at end of file
+}