diff --git a/Polygon_mesh_processing/examples/Polygon_mesh_processing/decimation_planar_patches.cpp b/Polygon_mesh_processing/examples/Polygon_mesh_processing/decimation_planar_patches.cpp
index 770437804e1..479cab49de8 100644
--- a/Polygon_mesh_processing/examples/Polygon_mesh_processing/decimation_planar_patches.cpp
+++ b/Polygon_mesh_processing/examples/Polygon_mesh_processing/decimation_planar_patches.cpp
@@ -34,7 +34,7 @@ int main()
   PMP::isotropic_remeshing(faces(sm), 0.1, sm, CGAL::parameters::edge_is_constrained_map(ecm));
   std::ofstream("cube_remeshed.off") << sm;
   assert(faces(sm).size()>100);
-  
+
   // decimate the mesh
   PMP::remesh_planar_patches(sm);
   std::ofstream("cube_decimated.off") << sm;
diff --git a/Polygon_mesh_processing/test/Polygon_mesh_processing/CMakeLists.txt b/Polygon_mesh_processing/test/Polygon_mesh_processing/CMakeLists.txt
index 85eaf407a0a..daa4c063621 100644
--- a/Polygon_mesh_processing/test/Polygon_mesh_processing/CMakeLists.txt
+++ b/Polygon_mesh_processing/test/Polygon_mesh_processing/CMakeLists.txt
@@ -42,7 +42,7 @@ if(TARGET CGAL::Eigen3_support)
                         PUBLIC CGAL::Eigen3_support)
   create_single_source_cgal_program("test_shape_smoothing.cpp")
   target_link_libraries(test_shape_smoothing PUBLIC CGAL::Eigen3_support)
-  
+
   create_single_source_cgal_program("test_decimation_of_planar_patches.cpp")
   target_link_libraries(test_decimation_of_planar_patches PUBLIC CGAL::Eigen3_support)
 endif()