diff --git a/Triangulation_3/test/Triangulation_3/test_Triangulation_with_transform_iterator.cpp b/Triangulation_3/test/Triangulation_3/test_Triangulation_with_transform_iterator.cpp
index e39c87c2408..be15a44fd76 100644
--- a/Triangulation_3/test/Triangulation_3/test_Triangulation_with_transform_iterator.cpp
+++ b/Triangulation_3/test/Triangulation_3/test_Triangulation_with_transform_iterator.cpp
@@ -5,6 +5,7 @@
 #include <CGAL/boost/iterator/transform_iterator.hpp>
 
 #include <vector>
+#include <cassert>
 
 typedef CGAL::Exact_predicates_inexact_constructions_kernel         K;
 typedef CGAL::Triangulation_vertex_base_with_info_3<unsigned, K>    Vb;
@@ -37,7 +38,7 @@ int main()
   Triangulation T( boost::make_transform_iterator(points.begin(),Auto_count()),
                    boost::make_transform_iterator(points.end(),  Auto_count() )  );
 
-  CGAL_assertion( T.number_of_vertices() == 6 );
+  assert( T.number_of_vertices() == 6 );
 
   // check that the info was correctly set.
   Triangulation::Finite_vertices_iterator vit;
diff --git a/Triangulation_3/test/Triangulation_3/test_Triangulation_with_zip_iterator.cpp b/Triangulation_3/test/Triangulation_3/test_Triangulation_with_zip_iterator.cpp
index 06479948507..c0bb6abba75 100644
--- a/Triangulation_3/test/Triangulation_3/test_Triangulation_with_zip_iterator.cpp
+++ b/Triangulation_3/test/Triangulation_3/test_Triangulation_with_zip_iterator.cpp
@@ -7,6 +7,7 @@
 
 #include <iostream>
 #include <vector>
+#include <cassert>
 
 typedef CGAL::Exact_predicates_inexact_constructions_kernel         K;
 typedef CGAL::Triangulation_vertex_base_with_info_3<unsigned, K>    Vb;
@@ -36,7 +37,7 @@ int main()
   Triangulation T(boost::make_zip_iterator(boost::make_tuple( points.begin(),indices.begin() )),
                   boost::make_zip_iterator(boost::make_tuple( points.end(),indices.end() ) )  );
 
-  CGAL_assertion( T.number_of_vertices() == 6 );
+  assert( T.number_of_vertices() == 6 );
 
   // check that the info was correctly set.
   Triangulation::Finite_vertices_iterator vit;