diff --git a/src/AuthenticationPlugin.php b/src/AuthenticationPlugin.php
index af929cd..73900db 100644
--- a/src/AuthenticationPlugin.php
+++ b/src/AuthenticationPlugin.php
@@ -2,8 +2,6 @@
 
 namespace Http\Client\Plugin;
 
-use Http\Message\Authentication;
-
 /**
  * @author Joel Wurtz <joel.wurtz@gmail.com>
  *