diff --git a/Contract/OnDownloadInterface.php b/Contract/OnDownloadInterface.php
deleted file mode 100644
index f442b59..0000000
--- a/Contract/OnDownloadInterface.php
+++ /dev/null
@@ -1,12 +0,0 @@
-<?php
-
-namespace Server\Contract;
-
-use Swoole\Http\Response;
-
-interface OnDownloadInterface
-{
-
-	public function dispatch(Response $response);
-
-}