diff --git a/autoload_files.php b/autoload_files.php
deleted file mode 100644
index cb28c69..0000000
--- a/autoload_files.php
+++ /dev/null
@@ -1,23 +0,0 @@
-<?php
-/*
- *  Copyright (c) 2015-present, Facebook, Inc.
- *  All rights reserved.
- *
- *  This source code is licensed under the BSD-style license found in the
- *  LICENSE file in the root directory of this source tree. An additional grant
- *  of patent rights can be found in the PATENTS file in the same directory.
- *
- */
-
-// Allow the package to be installed on PHP, not just HHVM
-// you can't actually /use/ it, but this makes dependency management
-// simpler for projects using h2tp or Phack
-if (defined('HHVM_VERSION')) {
-  $requires = [
-    "src/typedefs.php",
-    "src/utils.php"
-  ];
-  foreach ($requires as $require) {
-    require_once(__DIR__.'/'.$require);
-  }
-}
diff --git a/composer.json b/composer.json
index 9a30473..3fffa3b 100644
--- a/composer.json
+++ b/composer.json
@@ -19,16 +19,5 @@
   "require-dev": {
     "facebook/fbexpect": "^2.6.1",
     "hhvm/hacktest": "^2.0"
-  },
-  "autoload": {
-    "classmap": [
-      "src/"
-    ],
-    "files": [ "autoload_files.php" ]
-  },
-  "autoload-dev": {
-    "classmap": [
-      "tests/"
-    ]
   }
 }