diff --git a/build/codeblocks/nana.cbp b/build/codeblocks/nana.cbp
index 962eca84..c598a95d 100644
--- a/build/codeblocks/nana.cbp
+++ b/build/codeblocks/nana.cbp
@@ -40,15 +40,6 @@
 				</Linker>
 			</Target>
 		</Build>
-		<Compiler>
-			<Add option="-std=c++11" />
-			<Add option="-D_enable_std_make_unique" />
-			<Add option="-D_WIN32_WINNT=0x0501" />
-			<Add option="-D_WIN32_WINNT_WINXP=0x0501" />
-			<Add option="-D_WIN32_WINNT_VISTA=0x0600" />
-			<Add option="-D_WIN32_WINNT_WIN7=0x0601" />
-			<Add directory="$(#boost.include)" />
-		</Compiler>
 		<Unit filename="../../source/any.cpp" />
 		<Unit filename="../../source/audio/detail/audio_device.cpp" />
 		<Unit filename="../../source/audio/detail/audio_stream.cpp" />
diff --git a/source/gui/widgets/skeletons/text_editor.cpp b/source/gui/widgets/skeletons/text_editor.cpp
index 452cf5fe..bbfed031 100644
--- a/source/gui/widgets/skeletons/text_editor.cpp
+++ b/source/gui/widgets/skeletons/text_editor.cpp
@@ -1722,11 +1722,11 @@ namespace nana{	namespace widgets
 				}
 				else
 				{
-					crtpos.y = impl_->textbase.lines();
+					crtpos.y = static_cast<unsigned>(impl_->textbase.lines());
 					if (crtpos.y > 0)
 						--crtpos.y;
 
-					crtpos.x = impl_->textbase.getline(crtpos.y).size();
+					crtpos.x = static_cast<unsigned>(impl_->textbase.getline(crtpos.y).size());
 				}
 
 				points_.caret = crtpos;