diff --git a/source/gui/widgets/treebox.cpp b/source/gui/widgets/treebox.cpp
index 0a114471..318d54dc 100644
--- a/source/gui/widgets/treebox.cpp
+++ b/source/gui/widgets/treebox.cpp
@@ -1736,11 +1736,11 @@ namespace nana
 			//class trigger
 				//struct treebox_node_type
 					trigger::treebox_node_type::treebox_node_type()
-						:expanded(false), checked(checkstate::unchecked), hidden(false)
+						:expanded(false), hidden(false), checked(checkstate::unchecked)
 					{}
 
 					trigger::treebox_node_type::treebox_node_type(std::string text)
-						:text(std::move(text)), expanded(false), checked(checkstate::unchecked), hidden(false)
+						:text(std::move(text)), expanded(false), hidden(false), checked(checkstate::unchecked)
 					{}
 
 					trigger::treebox_node_type& trigger::treebox_node_type::operator=(const treebox_node_type& rhs)
diff --git a/source/paint/detail/image_bmp.hpp b/source/paint/detail/image_bmp.hpp
index b38cec7c..0e427285 100644
--- a/source/paint/detail/image_bmp.hpp
+++ b/source/paint/detail/image_bmp.hpp
@@ -14,6 +14,7 @@
 #define NANA_PAINT_DETAIL_IMAGE_BMP_HPP
 
 #include <memory>
+#include <cstring>
 #include "image_pixbuf.hpp"
 
 namespace nana{	namespace paint
@@ -132,7 +133,7 @@ namespace nana{	namespace paint
 				return false;
 			}
 		private:
-			std::unique_ptr<unsigned char[]> _m_decompress_rle8(const bitmap_info_header* header, const unsigned char* data, std::size_t data_size, std::size_t line_bytes)
+			std::unique_ptr<unsigned char[]> _m_decompress_rle8(const bitmap_info_header* header, const unsigned char* data, std::size_t data_size)
 			{
 				std::size_t const lines = std::abs(header->biHeight);
 				unsigned char* const indexes = new unsigned char[header->biWidth * lines];
@@ -222,7 +223,7 @@ namespace nana{	namespace paint
 
 					if (1 == header->biCompression)
 					{
-						indexes = _m_decompress_rle8(header, bits, length, line_bytes);
+						indexes = _m_decompress_rle8(header, bits, length);
 						line_bytes = header->biWidth;
 						bits = indexes.get();
 					}