diff --git a/Weights/doc/Weights/PackageDescription.txt b/Weights/doc/Weights/PackageDescription.txt
index 6814672770f..b85e768b8ac 100644
--- a/Weights/doc/Weights/PackageDescription.txt
+++ b/Weights/doc/Weights/PackageDescription.txt
@@ -434,39 +434,6 @@ a model of `AnalyticWeightTraits_3` for 3D points
 
 \addtogroup PkgWeightsRefRegions
 
-
-\defgroup PkgWeightsRefUtils Utility Functions
-\ingroup PkgWeightsRef
-
-Various related utility functions.
-
-
-\defgroup PkgWeightsRefTangents Tangent
-\ingroup PkgWeightsRefUtils
-
-Given three points `p`, `q`, and `r`, these functions compute the tangent of
-the angle `[p, q, r]` in 2D or 3D.
-
-\tparam GeomTraits
-a model of `AnalyticWeightTraits_2` for 2D points;
-a model of `AnalyticWeightTraits_3` for 3D points
-
-\addtogroup PkgWeightsRefUtils
-
-
-\defgroup PkgWeightsRefCotangents Cotangent
-\ingroup PkgWeightsRefUtils
-
-Given three points `p`, `q`, and `r`, these functions compute the cotangent of
-the angle `[p, q, r]` in 2D or 3D.
-
-\tparam GeomTraits
-a model of `AnalyticWeightTraits_2` for 2D points;
-a model of `AnalyticWeightTraits_3` for 3D points
-
-\addtogroup PkgWeightsRefUtils
-
-
 \addtogroup PkgWeightsRef
 
 
diff --git a/Weights/examples/Weights/projection_traits.cpp b/Weights/examples/Weights/projection_traits.cpp
index f523978882f..81c35b4e4ad 100644
--- a/Weights/examples/Weights/projection_traits.cpp
+++ b/Weights/examples/Weights/projection_traits.cpp
@@ -1,5 +1,4 @@
 #include <CGAL/Simple_cartesian.h>
-#include <CGAL/Weights/utils.h>
 #include <CGAL/Weights/wachspress_weights.h>
 #include <CGAL/Weights/mean_value_weights.h>
 #include <CGAL/Projection_traits_xy_3.h>
diff --git a/Weights/examples/Weights/weighted_laplacian.cpp b/Weights/examples/Weights/weighted_laplacian.cpp
index 99fc1eba70d..437d608edec 100644
--- a/Weights/examples/Weights/weighted_laplacian.cpp
+++ b/Weights/examples/Weights/weighted_laplacian.cpp
@@ -1,10 +1,8 @@
 #include <CGAL/Simple_cartesian.h>
-#include <CGAL/Weights/utils.h>
-#include <CGAL/Weights/cotangent_weights.h>
-#include <CGAL/Weights/mixed_voronoi_region_weights.h>
 #include <CGAL/Eigen_solver_traits.h>
 #include <CGAL/Eigen_matrix.h>
 #include <CGAL/Surface_mesh.h>
+#include <CGAL/Weights.h>
 
 // Typedefs.
 using Kernel  = CGAL::Simple_cartesian<double>;
diff --git a/Weights/include/CGAL/Weights/utils.h b/Weights/include/CGAL/Weights/utils.h
index 1d052485312..ce3f6399f28 100644
--- a/Weights/include/CGAL/Weights/utils.h
+++ b/Weights/include/CGAL/Weights/utils.h
@@ -23,114 +23,6 @@
 namespace CGAL {
 namespace Weights {
 
-  #if defined(DOXYGEN_RUNNING)
-
-  /*!
-    \ingroup PkgWeightsRefTangents
-
-    \brief computes the tangent of the angle between the vectors `[q, r]` and `[q, p]`
-    using the 2D points `p`, `q` and `r`, given a traits class `traits` with geometric objects,
-    predicates, and constructions.
-  */
-  template<typename GeomTraits>
-  typename GeomTraits::FT tangent(
-    const typename GeomTraits::Point_2& p,
-    const typename GeomTraits::Point_2& q,
-    const typename GeomTraits::Point_2& r,
-    const GeomTraits& traits) { }
-
-  /*!
-    \ingroup PkgWeightsRefTangents
-
-    \brief computes the tangent of the angle between the vectors `[q, r]` and `[q, p]`
-    using the 3D points `p`, `q` and `r`, given a traits class `traits` with geometric objects,
-    predicates, and constructions.
-  */
-  template<typename GeomTraits>
-  typename GeomTraits::FT tangent(
-    const typename GeomTraits::Point_3& p,
-    const typename GeomTraits::Point_3& q,
-    const typename GeomTraits::Point_3& r,
-    const GeomTraits& traits) { }
-
-  /*!
-    \ingroup PkgWeightsRefTangents
-
-    \brief computes the tangent of the angle between the vectors `[q, r]` and `[q, p]`
-    using the 2D points `p`, `q` and `r` which are parameterized by a `Kernel` K.
-  */
-  template<typename K>
-  typename K::FT tangent(
-    const CGAL::Point_2<K>& p,
-    const CGAL::Point_2<K>& q,
-    const CGAL::Point_2<K>& r) { }
-
-  /*!
-    \ingroup PkgWeightsRefTangents
-
-    \brief computes the tangent of the angle between the vectors `[q, r]` and `[q, p]`
-    using the 3D points `p`, `q` and `r` which are parameterized by a `Kernel` K.
-  */
-  template<typename K>
-  typename K::FT tangent(
-    const CGAL::Point_3<K>& p,
-    const CGAL::Point_3<K>& q,
-    const CGAL::Point_3<K>& r) { }
-
-  /*!
-    \ingroup PkgWeightsRefCotangents
-
-    \brief computes the cotangent of the angle between the vectors `[q, r]` and `[q, p]`
-    using the 2D points `p`, `q` and `r`, given a traits class `traits` with geometric objects,
-    predicates, and constructions.
-  */
-  template<typename GeomTraits>
-  typename GeomTraits::FT cotangent(
-    const typename GeomTraits::Point_2& p,
-    const typename GeomTraits::Point_2& q,
-    const typename GeomTraits::Point_2& r,
-    const GeomTraits& traits) { }
-
-  /*!
-    \ingroup PkgWeightsRefCotangents
-
-    \brief computes the cotangent of the angle between the vectors `[q, r]` and `[q, p]`
-    using the 3D points `p`, `q` and `r`, given a traits class `traits` with geometric objects,
-    predicates, and constructions.
-  */
-  template<typename GeomTraits>
-  typename GeomTraits::FT cotangent(
-    const typename GeomTraits::Point_3& p,
-    const typename GeomTraits::Point_3& q,
-    const typename GeomTraits::Point_3& r,
-    const GeomTraits& traits) { }
-
-  /*!
-    \ingroup PkgWeightsRefCotangents
-
-    \brief computes the cotangent of the angle between the vectors `[q, r]` and `[q, p]`
-    using the 2D points `p`, `q` and `r` which are parameterized by a `Kernel` K.
-  */
-  template<typename K>
-  typename K::FT cotangent(
-    const CGAL::Point_2<K>& p,
-    const CGAL::Point_2<K>& q,
-    const CGAL::Point_2<K>& r) { }
-
-  /*!
-    \ingroup PkgWeightsRefCotangents
-
-    \brief computes the cotangent of the angle between the vectors `[q, r]` and `[q, p]`
-    using the 3D points `p`, `q` and `r` which are parameterized by a `Kernel` K.
-  */
-  template<typename K>
-  typename K::FT cotangent(
-    const CGAL::Point_3<K>& p,
-    const CGAL::Point_3<K>& q,
-    const CGAL::Point_3<K>& r) { }
-
-  #endif // DOXYGEN_RUNNING
-
   /// \cond SKIP_IN_MANUAL
   template<typename GeomTraits>
   typename GeomTraits::FT tangent(