diff --git a/include/nana/basic_types.hpp b/include/nana/basic_types.hpp
index 4f230fc0..dc0b51a9 100644
--- a/include/nana/basic_types.hpp
+++ b/include/nana/basic_types.hpp
@@ -1,7 +1,7 @@
 /*
  *	Basic Types definition
  *	Nana C++ Library(http://www.nanapro.org)
- *	Copyright(C) 2003-2015 Jinhao(cnjinhao@hotmail.com)
+ *	Copyright(C) 2003-2017 Jinhao(cnjinhao@hotmail.com)
  *
  *	Distributed under the Boost Software License, Version 1.0. 
  *	(See accompanying file LICENSE_1_0.txt or copy at 
@@ -97,12 +97,6 @@ namespace nana
 		disabled
 	};
 
-	typedef unsigned scalar_t;
-	typedef unsigned char	uint8_t;
-	typedef unsigned long	uint32_t;
-	typedef unsigned		uint_t;
-	typedef long long long_long_t;
-
 	union pixel_argb_t
 	{
 		struct element_tag
diff --git a/include/nana/gui/filebox.hpp b/include/nana/gui/filebox.hpp
index 561dc5b7..1800eb9f 100644
--- a/include/nana/gui/filebox.hpp
+++ b/include/nana/gui/filebox.hpp
@@ -1,7 +1,7 @@
 /**
  *	Filebox
  *	Nana C++ Library(http://www.nanapro.org)
- *	Copyright(C) 2003-2016 Jinhao(cnjinhao@hotmail.com)
+ *	Copyright(C) 2003-2017 Jinhao(cnjinhao@hotmail.com)
  *
  *	Distributed under the Boost Software License, Version 1.0.
  *	(See accompanying file LICENSE_1_0.txt or copy at
diff --git a/source/basic_types.cpp b/source/basic_types.cpp
index 8186c53d..cc15f9ed 100644
--- a/source/basic_types.cpp
+++ b/source/basic_types.cpp
@@ -1,7 +1,7 @@
 /*
  *	Basic Types definition
  *	Nana C++ Library(http://www.nanapro.org)
- *	Copyright(C) 2003-2016 Jinhao(cnjinhao@hotmail.com)
+ *	Copyright(C) 2003-2017 Jinhao(cnjinhao@hotmail.com)
  *
  *	Distributed under the Boost Software License, Version 1.0.
  *	(See accompanying file LICENSE_1_0.txt or copy at
diff --git a/source/gui/filebox.cpp b/source/gui/filebox.cpp
index ec6c08a5..2a690894 100644
--- a/source/gui/filebox.cpp
+++ b/source/gui/filebox.cpp
@@ -1,7 +1,7 @@
 /*
 *	Filebox
 *	Nana C++ Library(http://www.nanapro.org)
-*	Copyright(C) 2003-2016 Jinhao(cnjinhao@hotmail.com)
+*	Copyright(C) 2003-2017 Jinhao(cnjinhao@hotmail.com)
 *
 *	Distributed under the Boost Software License, Version 1.0.
 *	(See accompanying file LICENSE_1_0.txt or copy at
@@ -44,7 +44,7 @@ namespace nana
 			std::string name;
 			::tm modified_time;
 			bool directory;
-			nana::long_long_t bytes;
+			long long bytes;
 
 			friend listbox::iresolver& operator>>(listbox::iresolver& ires, item_fs& m)
 			{