diff --git a/Combinatorial_map/test/Combinatorial_map/CMakeLists.txt b/Combinatorial_map/test/Combinatorial_map/CMakeLists.txt
index 8cdf37bb2ad..2ce5e94ae80 100644
--- a/Combinatorial_map/test/Combinatorial_map/CMakeLists.txt
+++ b/Combinatorial_map/test/Combinatorial_map/CMakeLists.txt
@@ -6,7 +6,7 @@ project(Combinatorial_map_Tests)
 
 find_package(CGAL REQUIRED)
 
-set(hfiles Combinatorial_map_2_test.h Combinatorial_map_3_test.h 
+set(hfiles Combinatorial_map_2_test.h Combinatorial_map_3_test.h
   Combinatorial_map_test_iterators.h Face_graph_wrapper_test.h)
 
 # create a target per cppfile
diff --git a/Generalized_map/test/Generalized_map/CMakeLists.txt b/Generalized_map/test/Generalized_map/CMakeLists.txt
index 8d6c93723c4..51aa8f6d3b7 100644
--- a/Generalized_map/test/Generalized_map/CMakeLists.txt
+++ b/Generalized_map/test/Generalized_map/CMakeLists.txt
@@ -19,7 +19,7 @@ if(NOT Boost_FOUND)
 
 endif()
 
-set(hfiles Generalized_map_2_test.h Generalized_map_3_test.h 
+set(hfiles Generalized_map_2_test.h Generalized_map_3_test.h
   Generalized_map_4_test.h GMap_test_insertions.h)
 
 create_single_source_cgal_program("Generalized_map_test.cpp" ${hfiles})
diff --git a/Linear_cell_complex/test/Linear_cell_complex/Linear_cell_complex_2_test.h b/Linear_cell_complex/test/Linear_cell_complex/Linear_cell_complex_2_test.h
index b1958a97bd1..03d245597cb 100644
--- a/Linear_cell_complex/test/Linear_cell_complex/Linear_cell_complex_2_test.h
+++ b/Linear_cell_complex/test/Linear_cell_complex/Linear_cell_complex_2_test.h
@@ -133,7 +133,7 @@ bool test_LCC_2()
 
   typedef typename LCC::Dart_handle Dart_handle;
   typedef typename LCC::Point Point;
-  
+
   // Construction operations
   trace_test_begin();
   Dart_handle dh1=lcc.make_segment(Point(0,0),Point(1,0), true);