diff --git a/ContainerInterface.php b/ContainerInterface.php
deleted file mode 100644
index 876d95b..0000000
--- a/ContainerInterface.php
+++ /dev/null
@@ -1,13 +0,0 @@
-<?php
-declare(strict_types=1);
-
-namespace Kiri\Di;
-
-
-/**
- * @mixin Container
- */
-interface ContainerInterface extends \Psr\Container\ContainerInterface
-{
-
-}