diff --git a/libsrc/csg/algprim.cpp b/libsrc/csg/algprim.cpp
index 7edacecb..09bad013 100644
--- a/libsrc/csg/algprim.cpp
+++ b/libsrc/csg/algprim.cpp
@@ -193,14 +193,6 @@ namespace netgen
     pplane(0) = p1p * ex;
     pplane(1) = p1p * ey;
     zone = 0;
-
-    *testout << "Plane::toplane" << endl;
-    *testout << "ex = " << ex << endl;
-    *testout << "ey = " << ey << endl;
-    *testout << "p1 = " << p1 << endl;
-    *testout << "h = " << h << endl;
-    *testout << "p3d = " << p3d << endl;
-    *testout << "pplane = " << pplane << endl;
   }
 
   void Plane :: FromPlane (const Point<2> & pplane, Point<3> & p3d, double h) const
diff --git a/libsrc/csg/surface.cpp b/libsrc/csg/surface.cpp
index 2bfe3429..fe0415ec 100644
--- a/libsrc/csg/surface.cpp
+++ b/libsrc/csg/surface.cpp
@@ -88,13 +88,6 @@ void Surface :: DefineTangentialPlane (const Point<3> & ap1,
   ex -= (ex * ez) * ez;
   ex.Normalize();
   ey = Cross (ez, ex);  
-
-  *testout << "surface, deftangentialplane" << endl;
-  *testout << "p1 = " << p1 << endl;
-  *testout << "p2 = " << p2 << endl;
-  *testout << "ez = " << ez << endl;
-  *testout << "ex = " << ex << endl;
-  *testout << "ey = " << ey << endl;
 }
 
 void Surface :: ToPlane (const Point<3> & p3d, Point<2> & pplane,