diff --git a/source/Irrlicht/CGUIContextMenu.cpp b/source/Irrlicht/CGUIContextMenu.cpp
index c28d30ab..3a6484be 100644
--- a/source/Irrlicht/CGUIContextMenu.cpp
+++ b/source/Irrlicht/CGUIContextMenu.cpp
@@ -88,6 +88,7 @@ u32 CGUIContextMenu::insertItem(u32 idx, const wchar_t* text, s32 commandId, boo
 	s.IsSeparator = (text == 0);
 	s.SubMenu = 0;
 	s.CommandId = commandId;
+	s.PosY = 0;
 
 	if (hasSubMenu)
 	{
diff --git a/source/Irrlicht/CMY3DMeshFileLoader.h b/source/Irrlicht/CMY3DMeshFileLoader.h
index 0c29802e..c0369d49 100644
--- a/source/Irrlicht/CMY3DMeshFileLoader.h
+++ b/source/Irrlicht/CMY3DMeshFileLoader.h
@@ -92,7 +92,9 @@ private:
 	{
 		SMyMaterialEntry ()
 		: Texture1FileName("null"), Texture2FileName("null"),
-		Texture1(0), Texture2(0), MaterialType(video::EMT_SOLID) {}
+		Texture1(0), Texture2(0), MaterialType(video::EMT_SOLID) {
+			Header.Name[0] = 0;
+		}
 
 		SMyMaterialHeader Header;
 		core::stringc Texture1FileName;
diff --git a/source/Irrlicht/COBJMeshFileLoader.cpp b/source/Irrlicht/COBJMeshFileLoader.cpp
index d4ce82ed..17dcec99 100644
--- a/source/Irrlicht/COBJMeshFileLoader.cpp
+++ b/source/Irrlicht/COBJMeshFileLoader.cpp
@@ -182,6 +182,8 @@ IAnimatedMesh* COBJMeshFileLoader::createMesh(io::IReadFile* file)
 					smoothingGroup=0;
 				else
 					smoothingGroup=core::strtoul10(smooth);
+
+				(void)smoothingGroup; // disable unused variable warnings
 			}
 			break;
 
diff --git a/source/Irrlicht/COSOperator.cpp b/source/Irrlicht/COSOperator.cpp
index 332cca14..f4252b80 100644
--- a/source/Irrlicht/COSOperator.cpp
+++ b/source/Irrlicht/COSOperator.cpp
@@ -185,7 +185,7 @@ bool COSOperator::getProcessorSpeedMHz(u32* MHz) const
 	if (file)
 	{
 		char buffer[1024];
-		fread(buffer, 1, 1024, file);
+		(void)fread(buffer, 1, 1024, file);
 		buffer[1023]=0;
 		core::stringc str(buffer);
 		s32 pos = str.find("cpu MHz");
diff --git a/source/Irrlicht/CTRTextureWire2.cpp b/source/Irrlicht/CTRTextureWire2.cpp
index f97e0e1b..b77b788f 100644
--- a/source/Irrlicht/CTRTextureWire2.cpp
+++ b/source/Irrlicht/CTRTextureWire2.cpp
@@ -115,7 +115,9 @@ CTRTextureWire2::CTRTextureWire2(CBurningVideoDriver* driver)
 void CTRTextureWire2::renderLine ( const s4DVertex *a,const s4DVertex *b, int renderZero) const
 {
 	int pitch0 = RenderTarget->getDimension().Width << VIDEO_SAMPLE_GRANULARITY;
+#ifdef USE_ZBUFFER
 	int pitch1 = RenderTarget->getDimension().Width << 2;
+#endif
 
 	//todo:!
 	int aposx = fill_convention_none(a->Pos.x);
diff --git a/source/Irrlicht/CXMeshFileLoader.cpp b/source/Irrlicht/CXMeshFileLoader.cpp
index 89c2c77a..feddb408 100644
--- a/source/Irrlicht/CXMeshFileLoader.cpp
+++ b/source/Irrlicht/CXMeshFileLoader.cpp
@@ -912,6 +912,12 @@ bool CXMeshFileLoader::parseDataObjectMesh(SXMesh &mesh)
 			s16 uv2type = -1;
 			s16 tangenttype = -1;
 			s16 binormaltype = -1;
+
+			(void)tangentpos; // disable unused variable warnings
+			(void)binormalpos; // disable unused variable warnings
+			(void)tangenttype; // disable unused variable warnings
+			(void)binormaltype; // disable unused variable warnings
+
 			for (j=0; j<dcnt; ++j)
 			{
 				const u32 type = readInt();