diff --git a/composer.json b/composer.json
index 08e7def..b571c15 100644
--- a/composer.json
+++ b/composer.json
@@ -20,6 +20,6 @@
         "phpunit/phpunit": "3.7.*"
     },
     "autoload": {
-        "files": ["lib/Mixpanel.php"]
+        "classmap": ["lib"]
     }
 }
\ No newline at end of file
diff --git a/lib/Mixpanel.php b/lib/Mixpanel.php
index c93204e..eab0f36 100644
--- a/lib/Mixpanel.php
+++ b/lib/Mixpanel.php
@@ -1,9 +1,5 @@
 <?php
 
-require_once(dirname(__FILE__) . "/Base/MixpanelBase.php");
-require_once(dirname(__FILE__) . "/Producers/MixpanelPeople.php");
-require_once(dirname(__FILE__) . "/Producers/MixpanelEvents.php");
-
 /**
  * This is the main class for the Mixpanel PHP Library which provides all of the methods you need to track events and
  * create/update profiles.