diff --git a/include/nana/gui/widgets/slider.hpp b/include/nana/gui/widgets/slider.hpp
index fb15bc34..9adb512c 100644
--- a/include/nana/gui/widgets/slider.hpp
+++ b/include/nana/gui/widgets/slider.hpp
@@ -38,12 +38,12 @@ namespace nana
 				: public widget_geometrics
 			{
 				/// Colors
-				color_proxy color_adorn{ static_cast<color_rgb>(0x3da3ce) };
-				color_proxy color_bar{ static_cast<color_rgb>(0x878787) };
-				color_proxy color_slider{ static_cast<color_rgb>(0x606060) };
+				color_proxy color_adorn		{ static_cast<color_rgb>(0x3da3ce) };
+				color_proxy color_bar		{ static_cast<color_rgb>(0x878787) };
+				color_proxy color_slider	{ static_cast<color_rgb>(0x606060) };
 				color_proxy color_slider_highlighted{ static_cast<color_rgb>(0x2d93be) };
-				color_proxy color_vernier{ colors::red };
-				color_proxy color_vernier_text{ colors::white };
+				color_proxy color_vernier		{ colors::red };
+				color_proxy color_vernier_text	{ colors::white };
 
 				/// Geometrical parameters
 				unsigned vernier_text_margin{ 8 };
diff --git a/source/paint/pixel_buffer.cpp b/source/paint/pixel_buffer.cpp
index f2b438a1..23a8b4e5 100644
--- a/source/paint/pixel_buffer.cpp
+++ b/source/paint/pixel_buffer.cpp
@@ -1,7 +1,7 @@
 /*
  *	Pixel Buffer Implementation
  *	Nana C++ Library(http://www.nanapro.org)
- *	Copyright(C) 2003-2014 Jinhao(cnjinhao@hotmail.com)
+ *	Copyright(C) 2003-2016 Jinhao(cnjinhao@hotmail.com)
  *
  *	Distributed under the Boost Software License, Version 1.0.
  *	(See accompanying file LICENSE_1_0.txt or copy at
@@ -1252,9 +1252,6 @@ namespace nana{	namespace paint
 
 			const int right_point = static_cast<int>(dest.x) + static_cast<int>(size_rotated.width);
 
-			const int source_right = static_cast<int>(sp->pixel_size.width);
-			const int source_bottom = static_cast<int>(sp->pixel_size.height);
-
 			for (point point_dest{ static_cast<int>(dest.x), static_cast<int>(dest.y) }; point_dest.x < right_point; ++point_dest.x)
 			{
 				auto point_source = point_rotate.to(point_dest) + origin;