diff --git a/Segment_Delaunay_graph_Linf_2/include/CGAL/Segment_Delaunay_graph_Linf_2/Filtered_traits_base_2.h b/Segment_Delaunay_graph_Linf_2/include/CGAL/Segment_Delaunay_graph_Linf_2/Filtered_traits_base_2.h
index 4fdcc5bc49f..b7057be1021 100644
--- a/Segment_Delaunay_graph_Linf_2/include/CGAL/Segment_Delaunay_graph_Linf_2/Filtered_traits_base_2.h
+++ b/Segment_Delaunay_graph_Linf_2/include/CGAL/Segment_Delaunay_graph_Linf_2/Filtered_traits_base_2.h
@@ -233,7 +233,6 @@ private:
   // Predicates for the filtering kernel
   typedef typename FK_traits::Compare_x_2        FK_Compare_x_2;
   typedef typename FK_traits::Compare_y_2        FK_Compare_y_2;
-  typedef typename FK_traits::Orientation_L2_2   FK_Orientation_L2_2;
   typedef typename FK_traits::Orientation_2      FK_Orientation_2;
   typedef typename FK_traits::Equal_2            FK_Equal_2;
   typedef typename FK_traits::Are_parallel_2     FK_Are_parallel_2;
@@ -258,7 +257,6 @@ private:
   // Predicates for the exact kernel
   typedef typename EK_traits::Compare_x_2        EK_Compare_x_2;
   typedef typename EK_traits::Compare_y_2        EK_Compare_y_2;
-  typedef typename EK_traits::Orientation_L2_2   EK_Orientation_L2_2;
   typedef typename EK_traits::Orientation_2      EK_Orientation_2;
   typedef typename EK_traits::Equal_2            EK_Equal_2;
   typedef typename EK_traits::Are_parallel_2     EK_Are_parallel_2;
@@ -284,7 +282,6 @@ private:
   // Predicates for the filtering kernel
   typedef Sdg_compare_x_2<FK>                    FK_Compare_x_2;
   typedef Sdg_compare_y_2<FK>                    FK_Compare_y_2;
-  typedef Sdg_orientation_L2_C2<FK>              FK_Orientation_L2_2;
   typedef Sdg_orientation_C2<FK>                 FK_Orientation_2;
   typedef Sdg_are_same_points_C2<FK>             FK_Equal_2;
   typedef Sdg_are_parallel_C2<FK>                FK_Are_parallel_2;
@@ -307,7 +304,6 @@ private:
   // Predicates for the exact kernel
   typedef Sdg_compare_x_2<EK>                    EK_Compare_x_2;
   typedef Sdg_compare_y_2<EK>                    EK_Compare_y_2;
-  typedef Sdg_orientation_L2_C2<EK>              EK_Orientation_L2_2;
   typedef Sdg_orientation_C2<EK>                 EK_Orientation_2;
   typedef Sdg_are_same_points_C2<EK>             EK_Equal_2;
   typedef Sdg_are_parallel_C2<EK>                EK_Are_parallel_2;
@@ -339,10 +335,6 @@ public:
   //Filtered_predicate<EK_Compare_y_2, FK_Compare_y_2, C2E, C2F>
   //Compare_y_2;
 
-  typedef
-  Filtered_predicate<EK_Orientation_L2_2, FK_Orientation_L2_2, C2E, C2F>
-  Orientation_L2_2;
-
   typedef
   Filtered_predicate<EK_Orientation_2, FK_Orientation_2, C2E, C2F>
   Orientation_2;
@@ -449,15 +441,10 @@ public:
   //  return Compare_y_2();
   //}
 
-  Orientation_L2_2
-  orientation_L2_2_object() const {
-    return Orientation_L2_2();
-  }
-
-  Orientation_2
-  orientation_2_object() const {
-    return Orientation_2();
-  }
+  //Orientation_2
+  //orientation_2_object() const {
+  //  return Orientation_2();
+  //}
 
   //Equal_2
   //equal_2_object() const {
diff --git a/Segment_Delaunay_graph_Linf_2/include/CGAL/Segment_Delaunay_graph_Linf_2/Filtered_traits_base_hv_2.h b/Segment_Delaunay_graph_Linf_2/include/CGAL/Segment_Delaunay_graph_Linf_2/Filtered_traits_base_hv_2.h
index cf1d23f611a..afb8653adc0 100644
--- a/Segment_Delaunay_graph_Linf_2/include/CGAL/Segment_Delaunay_graph_Linf_2/Filtered_traits_base_hv_2.h
+++ b/Segment_Delaunay_graph_Linf_2/include/CGAL/Segment_Delaunay_graph_Linf_2/Filtered_traits_base_hv_2.h
@@ -207,7 +207,6 @@ private:
   // Predicates for the filtering kernel
   typedef typename FK_traits::Compare_x_2        FK_Compare_x_2;
   typedef typename FK_traits::Compare_y_2        FK_Compare_y_2;
-  typedef typename FK_traits::Orientation_L2_2   FK_Orientation_L2_2;
   typedef typename FK_traits::Orientation_2      FK_Orientation_2;
   typedef typename FK_traits::Equal_2            FK_Equal_2;
   typedef typename FK_traits::Are_parallel_2     FK_Are_parallel_2;
@@ -232,7 +231,6 @@ private:
   // Predicates for the exact kernel
   typedef typename EK_traits::Compare_x_2        EK_Compare_x_2;
   typedef typename EK_traits::Compare_y_2        EK_Compare_y_2;
-  typedef typename EK_traits::Orientation_L2_2   EK_Orientation_L2_2;
   typedef typename EK_traits::Orientation_2      EK_Orientation_2;
   typedef typename EK_traits::Equal_2            EK_Equal_2;
   typedef typename EK_traits::Are_parallel_2     EK_Are_parallel_2;
@@ -258,7 +256,6 @@ private:
   // Predicates for the filtering kernel
   typedef Sdg_compare_x_2<FK>                    FK_Compare_x_2;
   typedef Sdg_compare_y_2<FK>                    FK_Compare_y_2;
-  typedef Sdg_orientation_L2_C2<FK>              FK_Orientation_L2_2;
   typedef Sdg_orientation_C2<FK>                 FK_Orientation_2;
   typedef Sdg_are_same_points_C2<FK>             FK_Equal_2;
   typedef Sdg_are_parallel_C2<FK>                FK_Are_parallel_2;
@@ -281,7 +278,6 @@ private:
   // Predicates for the exact kernel
   typedef Sdg_compare_x_2<EK>                    EK_Compare_x_2;
   typedef Sdg_compare_y_2<EK>                    EK_Compare_y_2;
-  typedef Sdg_orientation_L2_C2<EK>              EK_Orientation_L2_2;
   typedef Sdg_orientation_C2<EK>                 EK_Orientation_2;
   typedef Sdg_are_same_points_C2<EK>             EK_Equal_2;
   typedef Sdg_are_parallel_C2<EK>                EK_Are_parallel_2;
@@ -313,13 +309,9 @@ public:
   //Filtered_predicate<EK_Compare_y_2, FK_Compare_y_2, C2E, C2F>
   //Compare_y_2;
 
-  typedef
-  Filtered_predicate<EK_Orientation_L2_2, FK_Orientation_L2_2, C2E, C2F>
-  Orientation_L2_2;
-
-  typedef
-  Filtered_predicate<EK_Orientation_2, FK_Orientation_2, C2E, C2F>
-  Orientation_2;
+  //typedef
+  //Filtered_predicate<EK_Orientation_2, FK_Orientation_2, C2E, C2F>
+  //Orientation_2;
 
   //typedef
   //Filtered_predicate<EK_Equal_2, FK_Equal_2, C2E, C2F>
@@ -423,15 +415,10 @@ public:
   //  return Compare_y_2();
   //}
 
-  Orientation_L2_2
-  orientation_L2_2_object() const {
-    return Orientation_L2_2();
-  }
-
-  Orientation_2
-  orientation_2_object() const {
-    return Orientation_2();
-  }
+  //Orientation_2
+  //orientation_2_object() const {
+  //  return Orientation_2();
+  //}
 
   //Equal_2
   //equal_2_object() const {
diff --git a/Segment_Delaunay_graph_Linf_2/include/CGAL/Segment_Delaunay_graph_Linf_2/Traits_base_2.h b/Segment_Delaunay_graph_Linf_2/include/CGAL/Segment_Delaunay_graph_Linf_2/Traits_base_2.h
index 3a8bdbd5904..6373e27737d 100644
--- a/Segment_Delaunay_graph_Linf_2/include/CGAL/Segment_Delaunay_graph_Linf_2/Traits_base_2.h
+++ b/Segment_Delaunay_graph_Linf_2/include/CGAL/Segment_Delaunay_graph_Linf_2/Traits_base_2.h
@@ -49,14 +49,11 @@ public:
 
   // PREDICATES
   //-----------
-  typedef
-  CGAL_SEGMENT_DELAUNAY_GRAPH_2_NS::Orientation_C2<K>
-  Orientation_L2_2;
 
   // used by triangulation 
-  typedef
-  CGAL_SEGMENT_DELAUNAY_GRAPH_LINF_2_NS::Orientation_Linf_C2<K>
-  Orientation_2;
+  //typedef
+  //CGAL_SEGMENT_DELAUNAY_GRAPH_LINF_2_NS::Orientation_Linf_C2<K>
+  //Orientation_2;
 
   typedef
   CGAL_SEGMENT_DELAUNAY_GRAPH_LINF_2_NS::Oriented_side_of_bisector_C2<K,MTag>
@@ -97,15 +94,11 @@ public:
 
   // PREDICATES
   //-----------
-  Orientation_L2_2
-  orientation_L2_2_object() const {
-    return Orientation_L2_2();
-  }
 
-  Orientation_2
-  orientation_2_object() const {
-    return Orientation_2();
-  }
+  //Orientation_2
+  //orientation_2_object() const {
+  //  return Orientation_2();
+  //}
 
   Oriented_side_of_bisector_2
   oriented_side_of_bisector_2_object() const {