diff --git a/Sources/Ecc/unistd.h b/Sources/Ecc/unistd.h
deleted file mode 100644
index c9c1cb0..0000000
--- a/Sources/Ecc/unistd.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* Copyright (c) 2002-2012 Croteam Ltd. 
-This program is free software; you can redistribute it and/or modify
-it under the terms of version 2 of the GNU General Public License as published by
-the Free Software Foundation
-
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License along
-with this program; if not, write to the Free Software Foundation, Inc.,
-51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
-
-#include <io.h>