diff --git a/src/AppBundle/Twig/AppExtension.php b/src/AppBundle/Twig/AppExtension.php
index 680a801aa..5a7939d64 100644
--- a/src/AppBundle/Twig/AppExtension.php
+++ b/src/AppBundle/Twig/AppExtension.php
@@ -95,14 +95,4 @@ public function getLocales()
 
         return $locales;
     }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function getName()
-    {
-        // the name of the Twig extension must be unique in the application. Consider
-        // using 'app.extension' if you only have one Twig extension in your application.
-        return 'app.extension';
-    }
 }
diff --git a/src/CodeExplorerBundle/Twig/SourceCodeExtension.php b/src/CodeExplorerBundle/Twig/SourceCodeExtension.php
index 354ea418b..b884affbd 100644
--- a/src/CodeExplorerBundle/Twig/SourceCodeExtension.php
+++ b/src/CodeExplorerBundle/Twig/SourceCodeExtension.php
@@ -138,10 +138,4 @@ private function unindentCode($code)
 
         return $formattedCode;
     }
-
-    // the name of the Twig extension must be unique in the application
-    public function getName()
-    {
-        return 'code_explorer_source_code';
-    }
 }