diff --git a/Periodic_2_triangulation_2/test/Periodic_2_triangulation_2/include/types.h b/Periodic_2_triangulation_2/test/Periodic_2_triangulation_2/include/types.h
index 5426a481478..6fb89645bfb 100644
--- a/Periodic_2_triangulation_2/test/Periodic_2_triangulation_2/include/types.h
+++ b/Periodic_2_triangulation_2/test/Periodic_2_triangulation_2/include/types.h
@@ -4,8 +4,6 @@
 #ifndef P2T2_UNIT_TEST_TYPES_H
 #define P2T2_UNIT_TEST_TYPES_H
 
-#define _USE_MATH_DEFINES
-#include <math.h>
 
 #include <CGAL/Periodic_2_triangulation_2.h>
 #include <CGAL/Periodic_2_triangulation_traits_2.h>
diff --git a/Periodic_2_triangulation_2/test/Periodic_2_triangulation_2/test_p2t2_delaunay_remove.cpp b/Periodic_2_triangulation_2/test/Periodic_2_triangulation_2/test_p2t2_delaunay_remove.cpp
index 81728edfc7a..f1a19bd7e26 100644
--- a/Periodic_2_triangulation_2/test/Periodic_2_triangulation_2/test_p2t2_delaunay_remove.cpp
+++ b/Periodic_2_triangulation_2/test/Periodic_2_triangulation_2/test_p2t2_delaunay_remove.cpp
@@ -30,7 +30,7 @@ int main()
       vh_midpoint = t.insert(Point(0, 0) + midpoint);
       for (int i = 0; i < n; ++i)
         {
-          t.insert(Point(0.3 * sin(i * 1.0 / n * 2 * M_PI), 0.3 * cos(i * 1.0 / n * 2 * M_PI)) + midpoint);
+          t.insert(Point(0.3 * sin(i * 1.0 / n * 2 * CGAL_PI), 0.3 * cos(i * 1.0 / n * 2 * CGAL_PI)) + midpoint);
         }
       t.remove(vh_midpoint);
       assert(t.is_valid(true));