diff --git a/src/render/material.lisp b/src/render/material.lisp
deleted file mode 100644
index 35ba9d9..0000000
--- a/src/render/material.lisp
+++ /dev/null
@@ -1,10 +0,0 @@
-#|
-  This file is a part of stoe project.
-  Copyright (c) 2014 Renaud Casenave-Péré (renaud@casenave-pere.fr)
-|#
-
-(in-package :cl-user)
-(defpackage stoe.material
-  (:nicknames :material)
-  (:use :cl))
-(in-package :stoe.material)