diff --git a/Resources/doc/index.rst b/Resources/doc/index.rst
index b031232..d67e7b8 100644
--- a/Resources/doc/index.rst
+++ b/Resources/doc/index.rst
@@ -349,7 +349,6 @@ With the trait
 
     // ...
     use Symfony\Component\DependencyInjection\ContainerAwareInterface;
-    use Symfony\Component\DependencyInjection\ContainerInterface;
     use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 
     class Version20130326212938 extends AbstractMigration implements ContainerAwareInterface