diff --git a/Packages/Convex_hull_2/changes.txt b/Packages/Convex_hull_2/changes.txt
index 698e922d2fe..6b0f441cf4b 100644
--- a/Packages/Convex_hull_2/changes.txt
+++ b/Packages/Convex_hull_2/changes.txt
@@ -1,3 +1,7 @@
+3.37 (23 Oct 2002)
+- deprecate LEDA traits class; should be replaced by LEDA rat kernel traits
+  CEP
+
 3.36 (17 Oct 2002)
 - added missing include of ch_extreme_points_2.h in ch_jarvis.C
 - adjust LEDA ch traits to use the new kernel function objects
diff --git a/Packages/Convex_hull_2/doc_tex/Convex_hull_2/traits_classes_2.tex b/Packages/Convex_hull_2/doc_tex/Convex_hull_2/traits_classes_2.tex
index 8e503392ec1..e3d8bbbc387 100644
--- a/Packages/Convex_hull_2/doc_tex/Convex_hull_2/traits_classes_2.tex
+++ b/Packages/Convex_hull_2/doc_tex/Convex_hull_2/traits_classes_2.tex
@@ -12,11 +12,11 @@ points lie.  The class
 is a second traits class based on \cgal\ primitives but differs from
 \ccc{Convex_hull_traits_2} in that some of its primitives reuse
 intermediate results to speed up computation.
-There are also two traits classes defined for the two geometry kernels
-provided in \leda\ \cite{mn-l-99} 
-(\ccc{Convex_hull_leda_traits_2}\ccIndexMainItem[C]{Convex_hull_leda_traits_2}
-and 
-\ccc{Convex_hull_rat_leda_traits_2}\ccIndexMainItem[C]{Convex_hull_rat_leda_traits_2}), which provide an easy means of comparison with these kernels.
+%There are also two traits classes defined for the two geometry kernels
+%provided in \leda\ \cite{mn-l-99} 
+%(\ccc{Convex_hull_leda_traits_2}\ccIndexMainItem[C]{Convex_hull_leda_traits_2}
+%and 
+%\ccc{Convex_hull_rat_leda_traits_2}\ccIndexMainItem[C]{Convex_hull_rat_leda_traits_2}), which provide an easy means of comparison with these kernels.
 In addition, there are three projective traits classes 
 (\ccc{Convex_hull_projective_xy_traits_2}, 
 \ccc{Convex_hull_projective_xz_traits_2}, and 
diff --git a/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/ConvexHullTraits_2.tex b/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/ConvexHullTraits_2.tex
index b1a08ebf605..b6f6d6328ed 100644
--- a/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/ConvexHullTraits_2.tex
+++ b/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/ConvexHullTraits_2.tex
@@ -97,11 +97,11 @@ object types must exist.
 \ccHasModels
 
 \ccRefIdfierPage{CGAL::Convex_hull_constructive_traits_2<R>} \\
-\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2} \\
+%\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2} \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xy_traits_2<Point_3>} \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xz_traits_2<Point_3>} \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_yz_traits_2<Point_3>} \\
-\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2} \\
+%\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2} \\
 \ccRefIdfierPage{CGAL::Convex_hull_traits_2<R>} \\
 \ccAutoIndexingOn
 
diff --git a/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/Convex_hull_constructive_traits_2.tex b/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/Convex_hull_constructive_traits_2.tex
index c204d55e51e..c00343ac151 100644
--- a/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/Convex_hull_constructive_traits_2.tex
+++ b/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/Convex_hull_constructive_traits_2.tex
@@ -70,8 +70,8 @@ the orientation-determinant for three points.
 
 \ccSeeAlso
 
-\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}  \\
+%\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
+%\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xy_traits_2<Point_3>} \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xz_traits_2<Point_3>} \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_yz_traits_2<Point_3>}  \\
diff --git a/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/Convex_hull_projective_xy_traits_2.tex b/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/Convex_hull_projective_xy_traits_2.tex
index 09520668c01..1cca9dfc724 100644
--- a/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/Convex_hull_projective_xy_traits_2.tex
+++ b/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/Convex_hull_projective_xy_traits_2.tex
@@ -68,10 +68,10 @@ $xy$ plane (\textit{i.e.}, by ignoring the $z$ coordinate).
 \ccSeeAlso
 
 \ccRefIdfierPage{CGAL::Convex_hull_constructive_traits_2<R>}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
+%\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xz_traits_2<Point_3>}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_yz_traits_2<Point_3>}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}   \\
+%\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}   \\
 \ccRefIdfierPage{CGAL::Convex_hull_traits_2<R>}  
 
 \ccIndexTraitsClassEnd
diff --git a/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/Convex_hull_projective_xz_traits_2.tex b/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/Convex_hull_projective_xz_traits_2.tex
index 9d31658edcc..98d12a30a60 100644
--- a/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/Convex_hull_projective_xz_traits_2.tex
+++ b/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/Convex_hull_projective_xz_traits_2.tex
@@ -67,10 +67,10 @@ _distance_to_line_2}{}
 \ccSeeAlso
 
 \ccRefIdfierPage{CGAL::Convex_hull_constructive_traits_2<R>}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
+%\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xy_traits_2<Point_3>}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_yz_traits_2<Point_3>}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}   \\
+%\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}   \\
 \ccRefIdfierPage{CGAL::Convex_hull_traits_2<R>}  
 
 \ccIndexTraitsClassEnd
diff --git a/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/Convex_hull_projective_yz_traits_2.tex b/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/Convex_hull_projective_yz_traits_2.tex
index dedc8b60d73..3cdf68cfd7d 100644
--- a/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/Convex_hull_projective_yz_traits_2.tex
+++ b/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/Convex_hull_projective_yz_traits_2.tex
@@ -68,10 +68,10 @@ _distance_to_line_2}{}
 \ccSeeAlso
 
 \ccRefIdfierPage{CGAL::Convex_hull_constructive_traits_2<R>}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
+%\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xz_traits_2<Point_3>}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xy_traits_2<Point_3>}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}   \\
+%\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}   \\
 \ccRefIdfierPage{CGAL::Convex_hull_traits_2<R>}  
 
 \ccIndexTraitsClassEnd
diff --git a/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/Convex_hull_traits_2.tex b/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/Convex_hull_traits_2.tex
index 978e9432c7f..6dbd71c4787 100644
--- a/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/Convex_hull_traits_2.tex
+++ b/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/Convex_hull_traits_2.tex
@@ -68,11 +68,11 @@ to the default traits class for these functions.
 \ccSeeAlso
 
 \ccRefIdfierPage{CGAL::Convex_hull_constructive_traits_2<R>}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
+%\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xy_traits_2<Point_3>} \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xz_traits_2<Point_3>} \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_yz_traits_2<Point_3>}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}  
+%\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}  
 
 \ccIndexTraitsClassEnd
 \ccAutoIndexingOff
diff --git a/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/intro.tex b/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/intro.tex
index 65ac233ac29..d95fa40ab6e 100644
--- a/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/intro.tex
+++ b/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/intro.tex
@@ -52,11 +52,11 @@ defining \ccc{CGAL_CH_CHECK_EXPENSIVE}%
 
 
 \ccRefIdfierPage{CGAL::Convex_hull_constructive_traits_2<R>}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
+%\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xy_traits_2<Point_3>}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xz_traits_2<Point_3>}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_yz_traits_2<Point_3>}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}  \\
+%\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_traits_2<R>} 
 
 
diff --git a/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/main.tex b/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/main.tex
index 96d91274602..179056acf35 100644
--- a/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/main.tex
+++ b/Packages/Convex_hull_2/doc_tex/Convex_hull_2_ref/main.tex
@@ -25,11 +25,11 @@
 \input{Convex_hull_2_ref/convex_hull_2.tex}
 \input{Convex_hull_2_ref/ConvexHullTraits_2.tex}
 \input{Convex_hull_2_ref/Convex_hull_constructive_traits_2.tex}
-\input{Convex_hull_2_ref/Convex_hull_leda_traits_2.tex}
+%\input{Convex_hull_2_ref/Convex_hull_leda_traits_2.tex}
 \input{Convex_hull_2_ref/Convex_hull_projective_xy_traits_2.tex}
 \input{Convex_hull_2_ref/Convex_hull_projective_xz_traits_2.tex}
 \input{Convex_hull_2_ref/Convex_hull_projective_yz_traits_2.tex}
-\input{Convex_hull_2_ref/Convex_hull_rat_leda_traits_2.tex}
+%\input{Convex_hull_2_ref/Convex_hull_rat_leda_traits_2.tex}
 \input{Convex_hull_2_ref/Convex_hull_traits_2.tex}
 \input{Convex_hull_2_ref/is_ccw_strongly_convex_2.tex}
 \input{Convex_hull_2_ref/is_cw_strongly_convex_2.tex}
diff --git a/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2/traits_classes_2.tex b/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2/traits_classes_2.tex
index 8e503392ec1..e3d8bbbc387 100644
--- a/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2/traits_classes_2.tex
+++ b/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2/traits_classes_2.tex
@@ -12,11 +12,11 @@ points lie.  The class
 is a second traits class based on \cgal\ primitives but differs from
 \ccc{Convex_hull_traits_2} in that some of its primitives reuse
 intermediate results to speed up computation.
-There are also two traits classes defined for the two geometry kernels
-provided in \leda\ \cite{mn-l-99} 
-(\ccc{Convex_hull_leda_traits_2}\ccIndexMainItem[C]{Convex_hull_leda_traits_2}
-and 
-\ccc{Convex_hull_rat_leda_traits_2}\ccIndexMainItem[C]{Convex_hull_rat_leda_traits_2}), which provide an easy means of comparison with these kernels.
+%There are also two traits classes defined for the two geometry kernels
+%provided in \leda\ \cite{mn-l-99} 
+%(\ccc{Convex_hull_leda_traits_2}\ccIndexMainItem[C]{Convex_hull_leda_traits_2}
+%and 
+%\ccc{Convex_hull_rat_leda_traits_2}\ccIndexMainItem[C]{Convex_hull_rat_leda_traits_2}), which provide an easy means of comparison with these kernels.
 In addition, there are three projective traits classes 
 (\ccc{Convex_hull_projective_xy_traits_2}, 
 \ccc{Convex_hull_projective_xz_traits_2}, and 
diff --git a/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/ConvexHullTraits_2.tex b/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/ConvexHullTraits_2.tex
index b1a08ebf605..b6f6d6328ed 100644
--- a/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/ConvexHullTraits_2.tex
+++ b/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/ConvexHullTraits_2.tex
@@ -97,11 +97,11 @@ object types must exist.
 \ccHasModels
 
 \ccRefIdfierPage{CGAL::Convex_hull_constructive_traits_2<R>} \\
-\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2} \\
+%\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2} \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xy_traits_2<Point_3>} \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xz_traits_2<Point_3>} \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_yz_traits_2<Point_3>} \\
-\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2} \\
+%\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2} \\
 \ccRefIdfierPage{CGAL::Convex_hull_traits_2<R>} \\
 \ccAutoIndexingOn
 
diff --git a/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/Convex_hull_constructive_traits_2.tex b/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/Convex_hull_constructive_traits_2.tex
index c204d55e51e..c00343ac151 100644
--- a/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/Convex_hull_constructive_traits_2.tex
+++ b/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/Convex_hull_constructive_traits_2.tex
@@ -70,8 +70,8 @@ the orientation-determinant for three points.
 
 \ccSeeAlso
 
-\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}  \\
+%\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
+%\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xy_traits_2<Point_3>} \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xz_traits_2<Point_3>} \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_yz_traits_2<Point_3>}  \\
diff --git a/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/Convex_hull_projective_xy_traits_2.tex b/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/Convex_hull_projective_xy_traits_2.tex
index 09520668c01..1cca9dfc724 100644
--- a/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/Convex_hull_projective_xy_traits_2.tex
+++ b/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/Convex_hull_projective_xy_traits_2.tex
@@ -68,10 +68,10 @@ $xy$ plane (\textit{i.e.}, by ignoring the $z$ coordinate).
 \ccSeeAlso
 
 \ccRefIdfierPage{CGAL::Convex_hull_constructive_traits_2<R>}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
+%\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xz_traits_2<Point_3>}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_yz_traits_2<Point_3>}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}   \\
+%\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}   \\
 \ccRefIdfierPage{CGAL::Convex_hull_traits_2<R>}  
 
 \ccIndexTraitsClassEnd
diff --git a/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/Convex_hull_projective_xz_traits_2.tex b/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/Convex_hull_projective_xz_traits_2.tex
index 9d31658edcc..98d12a30a60 100644
--- a/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/Convex_hull_projective_xz_traits_2.tex
+++ b/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/Convex_hull_projective_xz_traits_2.tex
@@ -67,10 +67,10 @@ _distance_to_line_2}{}
 \ccSeeAlso
 
 \ccRefIdfierPage{CGAL::Convex_hull_constructive_traits_2<R>}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
+%\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xy_traits_2<Point_3>}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_yz_traits_2<Point_3>}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}   \\
+%\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}   \\
 \ccRefIdfierPage{CGAL::Convex_hull_traits_2<R>}  
 
 \ccIndexTraitsClassEnd
diff --git a/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/Convex_hull_projective_yz_traits_2.tex b/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/Convex_hull_projective_yz_traits_2.tex
index dedc8b60d73..3cdf68cfd7d 100644
--- a/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/Convex_hull_projective_yz_traits_2.tex
+++ b/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/Convex_hull_projective_yz_traits_2.tex
@@ -68,10 +68,10 @@ _distance_to_line_2}{}
 \ccSeeAlso
 
 \ccRefIdfierPage{CGAL::Convex_hull_constructive_traits_2<R>}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
+%\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xz_traits_2<Point_3>}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xy_traits_2<Point_3>}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}   \\
+%\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}   \\
 \ccRefIdfierPage{CGAL::Convex_hull_traits_2<R>}  
 
 \ccIndexTraitsClassEnd
diff --git a/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/Convex_hull_traits_2.tex b/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/Convex_hull_traits_2.tex
index 978e9432c7f..6dbd71c4787 100644
--- a/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/Convex_hull_traits_2.tex
+++ b/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/Convex_hull_traits_2.tex
@@ -68,11 +68,11 @@ to the default traits class for these functions.
 \ccSeeAlso
 
 \ccRefIdfierPage{CGAL::Convex_hull_constructive_traits_2<R>}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
+%\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xy_traits_2<Point_3>} \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xz_traits_2<Point_3>} \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_yz_traits_2<Point_3>}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}  
+%\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}  
 
 \ccIndexTraitsClassEnd
 \ccAutoIndexingOff
diff --git a/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/intro.tex b/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/intro.tex
index 65ac233ac29..d95fa40ab6e 100644
--- a/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/intro.tex
+++ b/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/intro.tex
@@ -52,11 +52,11 @@ defining \ccc{CGAL_CH_CHECK_EXPENSIVE}%
 
 
 \ccRefIdfierPage{CGAL::Convex_hull_constructive_traits_2<R>}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
+%\ccRefIdfierPage{CGAL::Convex_hull_leda_traits_2}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xy_traits_2<Point_3>}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_xz_traits_2<Point_3>}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_projective_yz_traits_2<Point_3>}  \\
-\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}  \\
+%\ccRefIdfierPage{CGAL::Convex_hull_rat_leda_traits_2}  \\
 \ccRefIdfierPage{CGAL::Convex_hull_traits_2<R>} 
 
 
diff --git a/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/main.tex b/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/main.tex
index 96d91274602..179056acf35 100644
--- a/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/main.tex
+++ b/Packages/Convex_hull_2/doc_tex/basic/Convex_hull_2_ref/main.tex
@@ -25,11 +25,11 @@
 \input{Convex_hull_2_ref/convex_hull_2.tex}
 \input{Convex_hull_2_ref/ConvexHullTraits_2.tex}
 \input{Convex_hull_2_ref/Convex_hull_constructive_traits_2.tex}
-\input{Convex_hull_2_ref/Convex_hull_leda_traits_2.tex}
+%\input{Convex_hull_2_ref/Convex_hull_leda_traits_2.tex}
 \input{Convex_hull_2_ref/Convex_hull_projective_xy_traits_2.tex}
 \input{Convex_hull_2_ref/Convex_hull_projective_xz_traits_2.tex}
 \input{Convex_hull_2_ref/Convex_hull_projective_yz_traits_2.tex}
-\input{Convex_hull_2_ref/Convex_hull_rat_leda_traits_2.tex}
+%\input{Convex_hull_2_ref/Convex_hull_rat_leda_traits_2.tex}
 \input{Convex_hull_2_ref/Convex_hull_traits_2.tex}
 \input{Convex_hull_2_ref/is_ccw_strongly_convex_2.tex}
 \input{Convex_hull_2_ref/is_cw_strongly_convex_2.tex}