diff --git a/Frechet_distance/examples/Frechet_distance/Frechet_distance_2.cpp b/Frechet_distance/examples/Frechet_distance/Frechet_distance_2.cpp
index 068c4da9918..353e46354a8 100644
--- a/Frechet_distance/examples/Frechet_distance/Frechet_distance_2.cpp
+++ b/Frechet_distance/examples/Frechet_distance/Frechet_distance_2.cpp
@@ -14,11 +14,11 @@ int main(int argc, char* argv[])
 {
     std::vector<Point> A, B;
     {
-      std::ifstream in(CGAL::data_file_path("wkt/LetterA.wkt"));
+      std::ifstream in((argc > 1) ? argv[1] : CGAL::data_file_path("wkt/LetterA.wkt"));
       CGAL::IO::read_linestring_WKT(in, A);
     }
     {
-      std::ifstream in(CGAL::data_file_path("wkt/LetterAbis.wkt"));
+      std::ifstream in((argc > 1) ? argv[1] : CGAL::data_file_path("wkt/LetterAbis.wkt"));
       CGAL::IO::read_linestring_WKT(in, B);
     }
     bool res = CGAL::is_Frechet_distance_larger<Traits>(A, B, 0.001);
diff --git a/Frechet_distance/examples/Frechet_distance/Frechet_distance_3.cpp b/Frechet_distance/examples/Frechet_distance/Frechet_distance_3.cpp
index c73ce7fa11f..372f3913bd5 100644
--- a/Frechet_distance/examples/Frechet_distance/Frechet_distance_3.cpp
+++ b/Frechet_distance/examples/Frechet_distance/Frechet_distance_3.cpp
@@ -1,36 +1,26 @@
 #include <CGAL/Frechet_distance.h>
 #include <CGAL/Frechet_distance_traits_3.h>
 #include <CGAL/Simple_cartesian.h>
-#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
 #include <CGAL/IO/WKT.h>
 
 #include <ostream>
 #include <fstream>
 
-using Kernel = CGAL::Exact_predicates_inexact_constructions_kernel;
-//using Kernel = CGAL::Simple_cartesian<double>;
+using Kernel = CGAL::Simple_cartesian<double>;
 using Traits = CGAL::Frechet_distance_traits_3<Kernel>;
 using Point = Traits::Point_d;
 
 int main(int argc, char* argv[])
 {
-#if 0
     std::vector<Point> A, B;
     {
-      std::ifstream in(CGAL::data_file_path("wkt/moebius.wkt"));
+      std::ifstream in((argc > 1) ? argv[1] : CGAL::data_file_path("wkt/moebius.wkt"));
       CGAL::IO::read_linestring_WKT(in, A);
     }
     {
-      std::ifstream in(CGAL::data_file_path("wkt/moebius2.wkt"));
+      std::ifstream in((argc > 2) ? argv[1] : CGAL::data_file_path("wkt/moebius2.wkt"));
       CGAL::IO::read_linestring_WKT(in, B);
     }
-    #else
-
-    // two identical points fails
-    std::array<Point,4> A = { Point(0,0,0), Point(0,0,0), Point(1,0,1), Point(1,1,0)};
-    std::array<Point,4> B = { Point(0,0,0), Point(0,0,0), Point(1,0,0), Point(1,1,0)};
-
-#endif
 
     std::pair<double, double> res = CGAL::approximate_Frechet_distance<Traits>(A, B, 0.000001);
     std::cout << "The Frechet distance between the polylines is between " <<  res.first << " and " << res.second << std::endl;
diff --git a/Frechet_distance/examples/Frechet_distance/Frechet_distance_d.cpp b/Frechet_distance/examples/Frechet_distance/Frechet_distance_d.cpp
index 07558b7f60e..d3d4982c862 100644
--- a/Frechet_distance/examples/Frechet_distance/Frechet_distance_d.cpp
+++ b/Frechet_distance/examples/Frechet_distance/Frechet_distance_d.cpp
@@ -2,7 +2,6 @@
 #include <CGAL/Frechet_distance.h>
 #include <CGAL/Frechet_distance_traits_d.h>
 
-
 #include <iostream>
 #include <vector>