diff --git a/wrap/io_trimesh/export_idtf.h b/wrap/io_trimesh/export_idtf.h
index c3667416..d5eba098 100644
--- a/wrap/io_trimesh/export_idtf.h
+++ b/wrap/io_trimesh/export_idtf.h
@@ -194,7 +194,7 @@ typedef typename SaveMeshType::CoordType CoordType;
 		idtf.write(3,"MODEL_POSITION_LIST {");
 		
 		vcg::tri::UpdateBounding<SaveMeshType>::Box(m);
-		ScalarType diag = m.bbox.Diag();
+		//ScalarType diag = m.bbox.Diag();
 		CoordType center = m.bbox.Center();
 		for(ConstVertexIterator vit = m.vert.begin();vit != m.vert.end();++vit)  
 		{
diff --git a/wrap/io_trimesh/export_u3d.h b/wrap/io_trimesh/export_u3d.h
index 17c0f127..62a3cc6e 100644
--- a/wrap/io_trimesh/export_u3d.h
+++ b/wrap/io_trimesh/export_u3d.h
@@ -83,6 +83,7 @@ namespace QtUtilityFunctions
 	{
 		if (file_path.size() > 0)
 			return file_path.at(file_path.size() - 1);
+		return QString();
 	}
 }
 
@@ -125,7 +126,7 @@ private:
 		return (int) t;
 	}
 
-	static void SaveLatex(SaveMeshType& m,const QString& file,const u3dparametersclasses::Movie15Parameters& mov_par)
+	static void SaveLatex(SaveMeshType& /*m*/,const QString& file,const u3dparametersclasses::Movie15Parameters& mov_par)
 	{
 		Output_File latex(file.toStdString() + ".tex");
 		QString u3df = file + ".u3d";