diff --git a/wrap/io_trimesh/export_idtf.h b/wrap/io_trimesh/export_idtf.h
index 22da3255..b34082e5 100644
--- a/wrap/io_trimesh/export_idtf.h
+++ b/wrap/io_trimesh/export_idtf.h
@@ -121,7 +121,7 @@ public:
 		idtf.write(4,"}");
 		idtf.write(3,"}");
 		idtf.write(3,"MESH_FACE_POSITION_LIST {");
-		for(SaveMeshType::ConstFaceIterator fit = m.face.begin();fit != m.face.end();++fit)  
+		for(typename SaveMeshType::ConstFaceIterator fit = m.face.begin();fit != m.face.end();++fit)  
 		{
 			idtf.write(4,TextUtility::nmbToStr(fit->V(0) - &(*m.vert.begin())) + " " +
 				TextUtility::nmbToStr(fit->V(1) - &(*m.vert.begin())) + " " + 
@@ -131,7 +131,7 @@ public:
 
 		idtf.write(3,"MESH_FACE_NORMAL_LIST {");
 		unsigned int nn = 0;
-		for(SaveMeshType::ConstFaceIterator fit = m.face.begin();fit != m.face.end();++fit)  
+		for(typename SaveMeshType::ConstFaceIterator fit = m.face.begin();fit != m.face.end();++fit)  
 		{
 			idtf.write(4,TextUtility::nmbToStr(nn) + " " +
 				TextUtility::nmbToStr(nn + 1) + " " + 
@@ -144,7 +144,7 @@ public:
 		{
 			idtf.write(3,"MESH_FACE_TEXTURE_COORD_LIST {");
 			unsigned int nn = 0;
-			for(SaveMeshType::ConstFaceIterator fit = m.face.begin();fit != m.face.end();++fit)  
+			for(typename SaveMeshType::ConstFaceIterator fit = m.face.begin();fit != m.face.end();++fit)  
 			{
 				idtf.write(4,"FACE " + TextUtility::nmbToStr(nn) + "{");
 				idtf.write(5,"TEXTURE_LAYER 0 TEX_COORD: " + TextUtility::nmbToStr(nn) + " " +
@@ -156,14 +156,14 @@ public:
 		}
 
 		idtf.write(3,"MESH_FACE_SHADING_LIST {");
-		for(SaveMeshType::ConstFaceIterator fit = m.face.begin();fit != m.face.end();++fit)  
+		for(typename SaveMeshType::ConstFaceIterator fit = m.face.begin();fit != m.face.end();++fit)  
 		{
 			idtf.write(4,TextUtility::nmbToStr(0));
 		}
 		idtf.write(3,"}");
 
 		idtf.write(3,"MODEL_POSITION_LIST {");
-		for(SaveMeshType::ConstVertexIterator vit = m.vert.begin();vit != m.vert.end();++vit)  
+		for(typename SaveMeshType::ConstVertexIterator vit = m.vert.begin();vit != m.vert.end();++vit)  
 		{
 			idtf.write(4,TextUtility::nmbToStr(vit->P().X()) + " " +
 				TextUtility::nmbToStr(vit->P().Y()) + " " + 
@@ -172,7 +172,7 @@ public:
 		idtf.write(3,"}");
 
 		idtf.write(3,"MODEL_NORMAL_LIST {");
-		for(SaveMeshType::FaceIterator fitn = m.face.begin();fitn != m.face.end();++fitn)  
+		for(typename SaveMeshType::FaceIterator fitn = m.face.begin();fitn != m.face.end();++fitn)  
 		{
 			for(unsigned int ii = 0;ii < 3;++ii)
 			{
@@ -186,7 +186,7 @@ public:
 		if (mask & vcg::tri::io::Mask::IOM_WEDGTEXCOORD)
 		{
 			idtf.write(3,"MODEL_TEXTURE_COORD_LIST {");
-			for(SaveMeshType::FaceIterator fitn = m.face.begin();fitn != m.face.end();++fitn)  
+			for(typename SaveMeshType::FaceIterator fitn = m.face.begin();fitn != m.face.end();++fitn)  
 			{
 				for(unsigned int ii = 0;ii < 3;++ii)
 				{
diff --git a/wrap/io_trimesh/export_u3d.h b/wrap/io_trimesh/export_u3d.h
index 0911448c..f78a9f3f 100644
--- a/wrap/io_trimesh/export_u3d.h
+++ b/wrap/io_trimesh/export_u3d.h
@@ -18,7 +18,6 @@ class ExporterU3D
 {
 private:
 
-#ifdef WIN32
 	static void InvokeConverter(const QString& converter_path,const QString& input_idtf,const QString& output_u3d)
 	{
 		QProcess p;
@@ -29,20 +28,6 @@ private:
 		p.close();
 	}
 
-#else
-	#ifdef LINUX
-
-		static void InvokeConverter(const char* converter_path,const QString& input_idtf,const QString& output_u3d)
-		{
-			p.start(converter_path + "IDTFConverter.exe -input " + input_idtf + " -output " + output_u3d);
-			//wait for four minutes
-			bool t = p.waitForFinished(240000);
-			p.close();
-		}
-
-	#endif
-#endif
-
 	static void SaveLatex(SaveMeshType& m,const QString& file)
 	{
 		Output_File latex(file.toStdString() + ".tex");