diff --git a/libsrc/interface/writefluent.cpp b/libsrc/interface/writefluent.cpp
index 6cf64b72..f4c68eb2 100644
--- a/libsrc/interface/writefluent.cpp
+++ b/libsrc/interface/writefluent.cpp
@@ -63,7 +63,7 @@ void WriteFluentFormat (const Mesh & mesh,
   outfile << "(0 \"Faces:\")" << endl;
 
   Element2d face, face2;
-  int i2, j2;
+  int /* i2, */ j2;
   NgArray<INDEX_3> surfaceelp;
   NgArray<int> surfaceeli;
   Array<ElementIndex> locels;
@@ -105,8 +105,8 @@ void WriteFluentFormat (const Mesh & mesh,
       box.IncreaseRel(1e-6);
 
       mesh.GetIntersectingVolEls(box.PMin(),box.PMax(),locels);
-      int nel = locels.Size();
-      int locind;
+      // int nel = locels.Size();
+      // int locind;
 
       //cout << "nel=" << nel << endl;
 
diff --git a/libsrc/meshing/boundarylayer2d.cpp b/libsrc/meshing/boundarylayer2d.cpp
index bb5ab6e6..fd857475 100644
--- a/libsrc/meshing/boundarylayer2d.cpp
+++ b/libsrc/meshing/boundarylayer2d.cpp
@@ -633,7 +633,7 @@ namespace netgen
         s[0] = pm0.Last();
         s[1] = pm1.Last();
         s[2] = PointIndex::INVALID;
-        auto pair = s[0] < s[1] ? make_pair(s[0], s[1]) : make_pair(s[1], s[0]);
+        // auto pair = s[0] < s[1] ? make_pair(s[0], s[1]) : make_pair(s[1], s[0]);
         s.edgenr = new_edge_nr;
         s.epgeominfo[0].edgenr = -1;
         s.epgeominfo[1].edgenr = -1;
diff --git a/libsrc/meshing/improve3.cpp b/libsrc/meshing/improve3.cpp
index 7be9252b..68bc79b2 100644
--- a/libsrc/meshing/improve3.cpp
+++ b/libsrc/meshing/improve3.cpp
@@ -797,11 +797,14 @@ double MeshOptimize3d :: SwapImproveEdge (
   int nsuround = hasbothpoints.Size();
   int mattyp = mesh[hasbothpoints[0]].GetIndex();
 
+  /*
+    // unused ? 
   auto fix_orientation = [&] (Element & el) {
     if (WrongOrientation (mesh.Points(), el))
       el.Invert();
   };
-
+  */
+  
   auto El = [&] ( PointIndex pi0, PointIndex pi1, PointIndex pi2, PointIndex pi3) -> Element {
     Element el(TET);
     el[0] = pi0;
diff --git a/libsrc/meshing/meshtype.cpp b/libsrc/meshing/meshtype.cpp
index 839c2bdb..e305ecc4 100644
--- a/libsrc/meshing/meshtype.cpp
+++ b/libsrc/meshing/meshtype.cpp
@@ -2942,7 +2942,10 @@ namespace netgen
     ost << "Identifications:" << endl;
     ost << "pairs: " << endl << identifiedpoints << endl;
     // ost << "pairs and nr: " << endl << identifiedpoints_nr << endl;
-#pragma message( "Can't ostream a tuple " __FILE__ )    
+    ost << "pairs and nr: " << endl;
+    for (auto [key,val] : identifiedpoints_nr)
+      ost << get<0>(key) << "," << get<1>(key) << ": " << val << endl;
+    
     ost << "table: " << endl << idpoints_table << endl;
   }