From 498613f3626ec33e1f17d0f7b639fda2b1948096 Mon Sep 17 00:00:00 2001
From: Andreas Fabri <andreas.fabri@geometryfactory.com>
Date: Tue, 21 May 2024 18:03:50 +0100
Subject: [PATCH] Remove #includes

---
 .../Approximate_min_ellipsoid_d_debug.h               |  1 -
 .../include/CGAL/Min_sphere_of_spheres_d.h            |  4 +---
 .../include/CGAL/Box_intersection_d/segment_tree.h    |  1 -
 .../demo/Apollonius_graph_2/Apollonius_graph_2.cpp    |  1 -
 Hash_map/benchmark/Hash_map/hm.cpp                    |  1 -
 Hash_map/benchmark/Hash_map/polyhedron.cpp            |  3 ---
 Hash_map/benchmark/Hash_map/surface_mesh.cpp          |  3 ---
 Hash_map/benchmark/Hash_map/triangulation.cpp         |  3 ---
 Interval_skip_list/include/CGAL/Interval_skip_list.h  |  3 ---
 Nef_2/include/CGAL/Nef_polyhedron_2.h                 |  1 -
 Nef_S2/include/CGAL/Nef_polyhedron_S2.h               |  1 -
 .../include/CGAL/Periodic_2_triangulation_2.h         |  1 -
 .../include/CGAL/make_periodic_3_mesh_3.h             |  3 ---
 .../include/CGAL/Periodic_3_triangulation_3.h         |  1 -
 .../bench_p4ht2_hyperbolic_vs_euclidean.cpp           |  2 --
 .../bench_p4ht2_insertion.cpp                         |  2 --
 .../bench_p4ht2_remove_dummy_points.cpp               |  3 ---
 .../test_p4ht2_intersections.cpp                      |  2 --
 .../test_p4ht2_locate.cpp                             |  2 --
 .../test_p4ht2_removal.cpp                            |  2 --
 .../test_p4ht2_removal_iterator.cpp                   |  2 --
 .../include/CGAL/Reconstruction_triangulation_3.h     |  1 -
 Random_numbers/include/CGAL/Random.h                  |  2 +-
 STL_Extension/include/CGAL/algorithm.h                |  2 --
 Skin_surface_3/include/CGAL/Skin_surface_base_3.h     |  1 -
 Spatial_sorting/include/CGAL/hilbert_sort.h           |  1 -
 Spatial_sorting/include/CGAL/spatial_sort.h           |  5 ++---
 Stream_lines_2/include/CGAL/Stream_lines_2.h          | 11 ++++-------
 Triangulation_2/include/CGAL/Triangulation_2.h        |  1 -
 Triangulation_3/include/CGAL/Triangulation_3.h        |  1 -
 .../test/Triangulation_3/test_regular_remove_3.cpp    |  4 ++--
 .../include/CGAL/Triangulation_on_sphere_2.h          |  1 -
 32 files changed, 10 insertions(+), 62 deletions(-)

diff --git a/Bounding_volumes/include/CGAL/Approximate_min_ellipsoid_d/Approximate_min_ellipsoid_d_debug.h b/Bounding_volumes/include/CGAL/Approximate_min_ellipsoid_d/Approximate_min_ellipsoid_d_debug.h
index 28124861ec97..8f5b5af9d61a 100644
--- a/Bounding_volumes/include/CGAL/Approximate_min_ellipsoid_d/Approximate_min_ellipsoid_d_debug.h
+++ b/Bounding_volumes/include/CGAL/Approximate_min_ellipsoid_d/Approximate_min_ellipsoid_d_debug.h
@@ -22,7 +22,6 @@
 #include <fstream>
 #include <sstream>
 #include <random>
-#include <boost/random/linear_congruential.hpp>
 
 namespace CGAL {
 
diff --git a/Bounding_volumes/include/CGAL/Min_sphere_of_spheres_d.h b/Bounding_volumes/include/CGAL/Min_sphere_of_spheres_d.h
index 34e70c02734c..784863bf5bd1 100644
--- a/Bounding_volumes/include/CGAL/Min_sphere_of_spheres_d.h
+++ b/Bounding_volumes/include/CGAL/Min_sphere_of_spheres_d.h
@@ -16,14 +16,12 @@
 
 #include <CGAL/license/Bounding_volumes.h>
 
-
-#include <CGAL/Min_sphere_of_spheres_d/Min_sphere_of_spheres_d_configure.h>
-#include <boost/random/linear_congruential.hpp>
 #include <cmath>
 #include <vector>
 #include <iostream>
 #include <random>
 
+#include <CGAL/Min_sphere_of_spheres_d/Min_sphere_of_spheres_d_configure.h>
 #include <CGAL/Min_sphere_of_spheres_d/Min_sphere_of_spheres_d_pair.h>
 #include <CGAL/Min_sphere_of_spheres_d/Min_sphere_of_spheres_d_support_set.h>
 
diff --git a/Box_intersection_d/include/CGAL/Box_intersection_d/segment_tree.h b/Box_intersection_d/include/CGAL/Box_intersection_d/segment_tree.h
index 2d810c0e2d70..7ae8b862938c 100644
--- a/Box_intersection_d/include/CGAL/Box_intersection_d/segment_tree.h
+++ b/Box_intersection_d/include/CGAL/Box_intersection_d/segment_tree.h
@@ -19,7 +19,6 @@
 #include <CGAL/basic.h>
 #include <CGAL/Box_intersection_d/box_limits.h>
 
-#include <boost/random/linear_congruential.hpp>
 #include <boost/random/uniform_int.hpp>
 
 #include <algorithm>
diff --git a/GraphicsView/demo/Apollonius_graph_2/Apollonius_graph_2.cpp b/GraphicsView/demo/Apollonius_graph_2/Apollonius_graph_2.cpp
index 2782ecbf4a8a..1ac734360d6b 100644
--- a/GraphicsView/demo/Apollonius_graph_2/Apollonius_graph_2.cpp
+++ b/GraphicsView/demo/Apollonius_graph_2/Apollonius_graph_2.cpp
@@ -11,7 +11,6 @@
 #include <CGAL/point_generators_2.h>
 #include <CGAL/IO/WKT.h>
 
-#include <boost/random/linear_congruential.hpp>
 #include <boost/random/uniform_real.hpp>
 
 // Qt headers
diff --git a/Hash_map/benchmark/Hash_map/hm.cpp b/Hash_map/benchmark/Hash_map/hm.cpp
index c34b8fb6881e..117589c10fe4 100644
--- a/Hash_map/benchmark/Hash_map/hm.cpp
+++ b/Hash_map/benchmark/Hash_map/hm.cpp
@@ -20,7 +20,6 @@
 #include <unordered_map>
 
 #include <boost/random/random_number_generator.hpp>
-#include <boost/random/linear_congruential.hpp>
 
 typedef CGAL::Simple_cartesian<double>  Kernel;
 typedef Kernel::Point_3                 Point_3;
diff --git a/Hash_map/benchmark/Hash_map/polyhedron.cpp b/Hash_map/benchmark/Hash_map/polyhedron.cpp
index 1d45c71149cb..baf508bd778f 100644
--- a/Hash_map/benchmark/Hash_map/polyhedron.cpp
+++ b/Hash_map/benchmark/Hash_map/polyhedron.cpp
@@ -13,9 +13,6 @@
 #include <boost/unordered_map.hpp>
 #include <unordered_map>
 
-#include <boost/random/random_number_generator.hpp>
-#include <boost/random/linear_congruential.hpp>
-
 typedef CGAL::Simple_cartesian<int>  Kernel;
 struct Point_3 : Kernel::Point_3 {
   using Kernel::Point_3::operator=;
diff --git a/Hash_map/benchmark/Hash_map/surface_mesh.cpp b/Hash_map/benchmark/Hash_map/surface_mesh.cpp
index 01f97baaec47..3f0ce783625d 100644
--- a/Hash_map/benchmark/Hash_map/surface_mesh.cpp
+++ b/Hash_map/benchmark/Hash_map/surface_mesh.cpp
@@ -16,9 +16,6 @@
 #include <boost/unordered_map.hpp>
 #include <unordered_map>
 
-#include <boost/random/random_number_generator.hpp>
-#include <boost/random/linear_congruential.hpp>
-
 typedef CGAL::Simple_cartesian<double>  Kernel;
 typedef Kernel::Point_3                 Point_3;
 typedef Kernel::Vector_3                Vector_3;
diff --git a/Hash_map/benchmark/Hash_map/triangulation.cpp b/Hash_map/benchmark/Hash_map/triangulation.cpp
index dde17b5aac38..7ac5537f3f2c 100644
--- a/Hash_map/benchmark/Hash_map/triangulation.cpp
+++ b/Hash_map/benchmark/Hash_map/triangulation.cpp
@@ -13,9 +13,6 @@
 #include <boost/unordered_map.hpp>
 #include <unordered_map>
 
-#include <boost/random/random_number_generator.hpp>
-#include <boost/random/linear_congruential.hpp>
-
 typedef CGAL::Simple_cartesian<double>  Kernel;
 typedef Kernel::Point_2                 Point_2;
 typedef Kernel::Vector_2                Vector_2;
diff --git a/Interval_skip_list/include/CGAL/Interval_skip_list.h b/Interval_skip_list/include/CGAL/Interval_skip_list.h
index 38e6e82d56ec..0f0917edac6f 100644
--- a/Interval_skip_list/include/CGAL/Interval_skip_list.h
+++ b/Interval_skip_list/include/CGAL/Interval_skip_list.h
@@ -16,14 +16,11 @@
 
 #include <CGAL/license/Interval_skip_list.h>
 
-
 #include <CGAL/basic.h>
 #include <list>
 #include <iostream>
 #include <random>
 
-#include <boost/random/linear_congruential.hpp>
-
 //#define CGAL_ISL_USE_CCC
 #define CGAL_ISL_USE_LIST
 
diff --git a/Nef_2/include/CGAL/Nef_polyhedron_2.h b/Nef_2/include/CGAL/Nef_polyhedron_2.h
index 464610510831..f22f491fa356 100644
--- a/Nef_2/include/CGAL/Nef_polyhedron_2.h
+++ b/Nef_2/include/CGAL/Nef_polyhedron_2.h
@@ -34,7 +34,6 @@
 #include <list>
 #include <random>
 
-#include <boost/random/linear_congruential.hpp>
 #include <boost/random/uniform_real.hpp>
 
 #undef CGAL_NEF_DEBUG
diff --git a/Nef_S2/include/CGAL/Nef_polyhedron_S2.h b/Nef_S2/include/CGAL/Nef_polyhedron_S2.h
index 2fb776f8b31b..3fa27f7b24d5 100644
--- a/Nef_S2/include/CGAL/Nef_polyhedron_S2.h
+++ b/Nef_S2/include/CGAL/Nef_polyhedron_S2.h
@@ -32,7 +32,6 @@
 #include <list>
 #include <random>
 
-#include <boost/random/linear_congruential.hpp>
 #include <boost/random/uniform_real.hpp>
 
 #undef CGAL_NEF_DEBUG
diff --git a/Periodic_2_triangulation_2/include/CGAL/Periodic_2_triangulation_2.h b/Periodic_2_triangulation_2/include/CGAL/Periodic_2_triangulation_2.h
index 73be125c7319..ba50ce7b0d68 100644
--- a/Periodic_2_triangulation_2/include/CGAL/Periodic_2_triangulation_2.h
+++ b/Periodic_2_triangulation_2/include/CGAL/Periodic_2_triangulation_2.h
@@ -38,7 +38,6 @@
 #include <CGAL/Periodic_2_triangulation_iterators_2.h>
 #include <CGAL/spatial_sort.h>
 
-#include <boost/random/linear_congruential.hpp>
 #include <boost/random/uniform_smallint.hpp>
 
 #include <CGAL/utility.h>
diff --git a/Periodic_3_mesh_3/include/CGAL/make_periodic_3_mesh_3.h b/Periodic_3_mesh_3/include/CGAL/make_periodic_3_mesh_3.h
index 5bed7b2a3c15..1c9c4d2a412a 100644
--- a/Periodic_3_mesh_3/include/CGAL/make_periodic_3_mesh_3.h
+++ b/Periodic_3_mesh_3/include/CGAL/make_periodic_3_mesh_3.h
@@ -30,9 +30,6 @@
 #include <CGAL/Mesh_3/C3T3_helpers.h>
 #include <CGAL/Named_function_parameters.h>
 
-#include <boost/random/random_number_generator.hpp>
-#include <boost/random/linear_congruential.hpp>
-
 namespace CGAL {
 namespace Periodic_3_mesh_3 {
 namespace internal {
diff --git a/Periodic_3_triangulation_3/include/CGAL/Periodic_3_triangulation_3.h b/Periodic_3_triangulation_3/include/CGAL/Periodic_3_triangulation_3.h
index bb1e14197db5..05e1f592de4a 100644
--- a/Periodic_3_triangulation_3/include/CGAL/Periodic_3_triangulation_3.h
+++ b/Periodic_3_triangulation_3/include/CGAL/Periodic_3_triangulation_3.h
@@ -46,7 +46,6 @@
 #include <CGAL/determinant.h>
 #endif // no CGAL_NO_STRUCTURAL_FILTERING
 
-#include <boost/random/linear_congruential.hpp>
 #include <boost/random/uniform_smallint.hpp>
 #include <boost/tuple/tuple.hpp>
 #include <boost/unordered_map.hpp>
diff --git a/Periodic_4_hyperbolic_triangulation_2/benchmark/Periodic_4_hyperbolic_triangulation_2/bench_p4ht2_hyperbolic_vs_euclidean.cpp b/Periodic_4_hyperbolic_triangulation_2/benchmark/Periodic_4_hyperbolic_triangulation_2/bench_p4ht2_hyperbolic_vs_euclidean.cpp
index 61cf9e8b1171..adbbe12e8c69 100644
--- a/Periodic_4_hyperbolic_triangulation_2/benchmark/Periodic_4_hyperbolic_triangulation_2/bench_p4ht2_hyperbolic_vs_euclidean.cpp
+++ b/Periodic_4_hyperbolic_triangulation_2/benchmark/Periodic_4_hyperbolic_triangulation_2/bench_p4ht2_hyperbolic_vs_euclidean.cpp
@@ -11,8 +11,6 @@
 #include <CGAL/Timer.h>
 
 #include <boost/tuple/tuple.hpp>
-#include <boost/random/linear_congruential.hpp>
-#include <boost/random/uniform_smallint.hpp>
 
 typedef CGAL::Periodic_4_hyperbolic_Delaunay_triangulation_traits_2<>           Traits;
 typedef Traits::FT                                                              NT;
diff --git a/Periodic_4_hyperbolic_triangulation_2/benchmark/Periodic_4_hyperbolic_triangulation_2/bench_p4ht2_insertion.cpp b/Periodic_4_hyperbolic_triangulation_2/benchmark/Periodic_4_hyperbolic_triangulation_2/bench_p4ht2_insertion.cpp
index cad04f31c9e5..d5f278e01e04 100644
--- a/Periodic_4_hyperbolic_triangulation_2/benchmark/Periodic_4_hyperbolic_triangulation_2/bench_p4ht2_insertion.cpp
+++ b/Periodic_4_hyperbolic_triangulation_2/benchmark/Periodic_4_hyperbolic_triangulation_2/bench_p4ht2_insertion.cpp
@@ -13,8 +13,6 @@
 #include <CGAL/Algebraic_kernel_for_circles_2_2.h>
 
 #include <boost/tuple/tuple.hpp>
-#include <boost/random/linear_congruential.hpp>
-#include <boost/random/uniform_smallint.hpp>
 
 typedef CGAL::Periodic_4_hyperbolic_Delaunay_triangulation_traits_2<>           Traits;
 typedef Traits::FT                                                              NT;
diff --git a/Periodic_4_hyperbolic_triangulation_2/benchmark/Periodic_4_hyperbolic_triangulation_2/bench_p4ht2_remove_dummy_points.cpp b/Periodic_4_hyperbolic_triangulation_2/benchmark/Periodic_4_hyperbolic_triangulation_2/bench_p4ht2_remove_dummy_points.cpp
index e3e309e5d94e..e042c76c7232 100644
--- a/Periodic_4_hyperbolic_triangulation_2/benchmark/Periodic_4_hyperbolic_triangulation_2/bench_p4ht2_remove_dummy_points.cpp
+++ b/Periodic_4_hyperbolic_triangulation_2/benchmark/Periodic_4_hyperbolic_triangulation_2/bench_p4ht2_remove_dummy_points.cpp
@@ -6,9 +6,6 @@
 #include <CGAL/determinant.h>
 
 #include <boost/tuple/tuple.hpp>
-#include <boost/random/linear_congruential.hpp>
-#include <boost/random/uniform_smallint.hpp>
-
 #include <iostream>
 
 typedef CGAL::Periodic_4_hyperbolic_Delaunay_triangulation_traits_2<>               Traits;
diff --git a/Periodic_4_hyperbolic_triangulation_2/test/Periodic_4_hyperbolic_triangulation_2/test_p4ht2_intersections.cpp b/Periodic_4_hyperbolic_triangulation_2/test/Periodic_4_hyperbolic_triangulation_2/test_p4ht2_intersections.cpp
index 65d03d7bd99e..ebaa1403780d 100644
--- a/Periodic_4_hyperbolic_triangulation_2/test/Periodic_4_hyperbolic_triangulation_2/test_p4ht2_intersections.cpp
+++ b/Periodic_4_hyperbolic_triangulation_2/test/Periodic_4_hyperbolic_triangulation_2/test_p4ht2_intersections.cpp
@@ -2,8 +2,6 @@
 #include <CGAL/Hyperbolic_octagon_translation.h>
 
 #include <boost/tuple/tuple.hpp>
-#include <boost/random/linear_congruential.hpp>
-#include <boost/random/uniform_smallint.hpp>
 
 #include <iostream>
 
diff --git a/Periodic_4_hyperbolic_triangulation_2/test/Periodic_4_hyperbolic_triangulation_2/test_p4ht2_locate.cpp b/Periodic_4_hyperbolic_triangulation_2/test/Periodic_4_hyperbolic_triangulation_2/test_p4ht2_locate.cpp
index 516fa23ecd16..1ff97afe045a 100644
--- a/Periodic_4_hyperbolic_triangulation_2/test/Periodic_4_hyperbolic_triangulation_2/test_p4ht2_locate.cpp
+++ b/Periodic_4_hyperbolic_triangulation_2/test/Periodic_4_hyperbolic_triangulation_2/test_p4ht2_locate.cpp
@@ -7,8 +7,6 @@
 #include <CGAL/Circular_kernel_2.h>
 
 #include <boost/tuple/tuple.hpp>
-#include <boost/random/linear_congruential.hpp>
-#include <boost/random/uniform_smallint.hpp>
 
 #include <iostream>
 
diff --git a/Periodic_4_hyperbolic_triangulation_2/test/Periodic_4_hyperbolic_triangulation_2/test_p4ht2_removal.cpp b/Periodic_4_hyperbolic_triangulation_2/test/Periodic_4_hyperbolic_triangulation_2/test_p4ht2_removal.cpp
index 189b7d6ffcaa..17d052921172 100644
--- a/Periodic_4_hyperbolic_triangulation_2/test/Periodic_4_hyperbolic_triangulation_2/test_p4ht2_removal.cpp
+++ b/Periodic_4_hyperbolic_triangulation_2/test/Periodic_4_hyperbolic_triangulation_2/test_p4ht2_removal.cpp
@@ -4,8 +4,6 @@
 #include <CGAL/Hyperbolic_octagon_translation.h>
 #include <CGAL/Cartesian.h>
 #include <boost/tuple/tuple.hpp>
-#include <boost/random/linear_congruential.hpp>
-#include <boost/random/uniform_smallint.hpp>
 
 #include <iostream>
 
diff --git a/Periodic_4_hyperbolic_triangulation_2/test/Periodic_4_hyperbolic_triangulation_2/test_p4ht2_removal_iterator.cpp b/Periodic_4_hyperbolic_triangulation_2/test/Periodic_4_hyperbolic_triangulation_2/test_p4ht2_removal_iterator.cpp
index 50474106d91b..1afa7b93134a 100644
--- a/Periodic_4_hyperbolic_triangulation_2/test/Periodic_4_hyperbolic_triangulation_2/test_p4ht2_removal_iterator.cpp
+++ b/Periodic_4_hyperbolic_triangulation_2/test/Periodic_4_hyperbolic_triangulation_2/test_p4ht2_removal_iterator.cpp
@@ -5,8 +5,6 @@
 #include <CGAL/Hyperbolic_octagon_translation.h>
 
 #include <boost/tuple/tuple.hpp>
-#include <boost/random/linear_congruential.hpp>
-#include <boost/random/uniform_smallint.hpp>
 
 #include <iostream>
 
diff --git a/Poisson_surface_reconstruction_3/include/CGAL/Reconstruction_triangulation_3.h b/Poisson_surface_reconstruction_3/include/CGAL/Reconstruction_triangulation_3.h
index 5632109237a8..52d93de12acc 100644
--- a/Poisson_surface_reconstruction_3/include/CGAL/Reconstruction_triangulation_3.h
+++ b/Poisson_surface_reconstruction_3/include/CGAL/Reconstruction_triangulation_3.h
@@ -31,7 +31,6 @@
 #include <CGAL/algorithm.h>
 #include <CGAL/bounding_box.h>
 #include <boost/random/random_number_generator.hpp>
-#include <boost/random/linear_congruential.hpp>
 
 #include <vector>
 #include <iterator>
diff --git a/Random_numbers/include/CGAL/Random.h b/Random_numbers/include/CGAL/Random.h
index 69e1e77e0b67..95747a048a05 100644
--- a/Random_numbers/include/CGAL/Random.h
+++ b/Random_numbers/include/CGAL/Random.h
@@ -31,7 +31,7 @@
 #if defined(BOOST_MSVC)
 #  pragma warning(pop)
 #endif
-#include <boost/random/linear_congruential.hpp>
+
 #include <boost/random/uniform_int.hpp>
 #include <boost/random/uniform_real.hpp>
 #include <boost/random/uniform_01.hpp>
diff --git a/STL_Extension/include/CGAL/algorithm.h b/STL_Extension/include/CGAL/algorithm.h
index fb81bdc0809d..9de3d9bc90b4 100644
--- a/STL_Extension/include/CGAL/algorithm.h
+++ b/STL_Extension/include/CGAL/algorithm.h
@@ -29,8 +29,6 @@
 #include <random>
 
 #include <boost/random/random_number_generator.hpp>
-#include <boost/random.hpp>
-#include <boost/random/linear_congruential.hpp>
 
 namespace CGAL {
 
diff --git a/Skin_surface_3/include/CGAL/Skin_surface_base_3.h b/Skin_surface_3/include/CGAL/Skin_surface_base_3.h
index 509a6af99caa..1600b23fcff2 100644
--- a/Skin_surface_3/include/CGAL/Skin_surface_base_3.h
+++ b/Skin_surface_3/include/CGAL/Skin_surface_base_3.h
@@ -21,7 +21,6 @@
 
 #include <CGAL/Regular_triangulation_3.h>
 
-#include <boost/random/linear_congruential.hpp>
 #include <boost/random/uniform_smallint.hpp>
 #include <memory>
 #include <random>
diff --git a/Spatial_sorting/include/CGAL/hilbert_sort.h b/Spatial_sorting/include/CGAL/hilbert_sort.h
index b129bdb0b01e..a3a6c81cb39f 100644
--- a/Spatial_sorting/include/CGAL/hilbert_sort.h
+++ b/Spatial_sorting/include/CGAL/hilbert_sort.h
@@ -23,7 +23,6 @@
 #include <CGAL/algorithm.h>
 
 #include <boost/random/random_number_generator.hpp>
-#include <boost/random/linear_congruential.hpp>
 
 #include <algorithm>
 #include <random>
diff --git a/Spatial_sorting/include/CGAL/spatial_sort.h b/Spatial_sorting/include/CGAL/spatial_sort.h
index 51d13ee1da16..636b72a22d37 100644
--- a/Spatial_sorting/include/CGAL/spatial_sort.h
+++ b/Spatial_sorting/include/CGAL/spatial_sort.h
@@ -16,12 +16,11 @@
 
 #include <CGAL/hilbert_sort.h>
 #include <CGAL/Multiscale_sort.h>
+#include <CGAL/algorithm.h>
 
 #include <boost/random/random_number_generator.hpp>
-#include <CGAL/algorithm.h>
-#include <random>
-#include <boost/random/linear_congruential.hpp>
 
+#include <random>
 #include <algorithm>
 
 namespace CGAL {
diff --git a/Stream_lines_2/include/CGAL/Stream_lines_2.h b/Stream_lines_2/include/CGAL/Stream_lines_2.h
index c50385fbdb5e..dd1b8e099f29 100644
--- a/Stream_lines_2/include/CGAL/Stream_lines_2.h
+++ b/Stream_lines_2/include/CGAL/Stream_lines_2.h
@@ -15,25 +15,22 @@
 
 #include <CGAL/license/Stream_lines_2.h>
 
-
 #include <CGAL/basic.h>
 #include <CGAL/Delaunay_triangulation_2.h>
+#include <CGAL/squared_distance_2.h>
+#include <CGAL/assertions.h>
 
 #include <queue>
 #include <cmath>
 #include <fstream>
 #include <iostream>
 #include <random>
-
-#include <CGAL/squared_distance_2.h>
-
-#include <CGAL/assertions.h>
+#include <memory>
 
 #include <boost/tuple/tuple.hpp>
 #include <boost/random/uniform_real.hpp> // undocumented class
-#include <boost/random/linear_congruential.hpp>
 #include <boost/random/uniform_smallint.hpp>
-#include <memory>
+
 
 namespace CGAL {
 
diff --git a/Triangulation_2/include/CGAL/Triangulation_2.h b/Triangulation_2/include/CGAL/Triangulation_2.h
index ad5f2b116287..29a1b7e5fa30 100644
--- a/Triangulation_2/include/CGAL/Triangulation_2.h
+++ b/Triangulation_2/include/CGAL/Triangulation_2.h
@@ -41,7 +41,6 @@
 #include <CGAL/double.h>
 
 #include <boost/utility/result_of.hpp>
-#include <boost/random/linear_congruential.hpp>
 #include <boost/random/uniform_smallint.hpp>
 #include <CGAL/boost/iterator/transform_iterator.hpp>
 #include <boost/iterator/zip_iterator.hpp>
diff --git a/Triangulation_3/include/CGAL/Triangulation_3.h b/Triangulation_3/include/CGAL/Triangulation_3.h
index c0696ac0c7ad..2c803b931ad7 100644
--- a/Triangulation_3/include/CGAL/Triangulation_3.h
+++ b/Triangulation_3/include/CGAL/Triangulation_3.h
@@ -45,7 +45,6 @@
 #include <CGAL/Bbox_3.h>
 #include <CGAL/Spatial_lock_grid_3.h>
 
-#include <boost/random/linear_congruential.hpp>
 #include <boost/random/uniform_smallint.hpp>
 #include <boost/property_map/function_property_map.hpp>
 #include <boost/unordered_map.hpp>
diff --git a/Triangulation_3/test/Triangulation_3/test_regular_remove_3.cpp b/Triangulation_3/test/Triangulation_3/test_regular_remove_3.cpp
index 9252598776cc..8d52f4352ef9 100644
--- a/Triangulation_3/test/Triangulation_3/test_regular_remove_3.cpp
+++ b/Triangulation_3/test/Triangulation_3/test_regular_remove_3.cpp
@@ -17,8 +17,8 @@
 #include <cassert>
 //#include <cstdlib>
 #include <set>
+#include <random>
 
-#include <boost/random/linear_congruential.hpp>
 #include <boost/cstdint.hpp>
 
 #include <CGAL/_test_types.h>
@@ -129,7 +129,7 @@ class point_iterator
     }
 };
 
-static boost::minstd_rand randgen;
+static std::minstd_rand randgen;
 
 // point_iterator_x generates points randomly on a grid (thus making lots of
 // degenerate cases), staying in dimension x.
diff --git a/Triangulation_on_sphere_2/include/CGAL/Triangulation_on_sphere_2.h b/Triangulation_on_sphere_2/include/CGAL/Triangulation_on_sphere_2.h
index 576179d0411d..d6858337450c 100644
--- a/Triangulation_on_sphere_2/include/CGAL/Triangulation_on_sphere_2.h
+++ b/Triangulation_on_sphere_2/include/CGAL/Triangulation_on_sphere_2.h
@@ -29,7 +29,6 @@
 #include <CGAL/function_objects.h>
 #include <CGAL/boost/iterator/transform_iterator.hpp>
 
-#include <boost/random/linear_congruential.hpp>
 #include <boost/random/uniform_smallint.hpp>
 
 #include <algorithm>