diff --git a/Kinetic_space_partition/doc/Kinetic_space_partition/Doxyfile.in b/Kinetic_space_partition/doc/Kinetic_space_partition/Doxyfile.in
index 96fddd29413..89e41efc75c 100644
--- a/Kinetic_space_partition/doc/Kinetic_space_partition/Doxyfile.in
+++ b/Kinetic_space_partition/doc/Kinetic_space_partition/Doxyfile.in
@@ -4,4 +4,3 @@ PROJECT_NAME = "CGAL ${CGAL_DOC_VERSION} - Kinetic Space Partition"
 EXTRACT_ALL                =  NO
 HIDE_UNDOC_CLASSES         =  YES
 WARN_IF_UNDOCUMENTED       =  NO
-PREDEFINED                 +=  DOXYGEN_RUNNING
diff --git a/Kinetic_surface_reconstruction/doc/Kinetic_surface_reconstruction/Doxyfile.in b/Kinetic_surface_reconstruction/doc/Kinetic_surface_reconstruction/Doxyfile.in
index 9917bea6e2a..542b2a7688d 100644
--- a/Kinetic_surface_reconstruction/doc/Kinetic_surface_reconstruction/Doxyfile.in
+++ b/Kinetic_surface_reconstruction/doc/Kinetic_surface_reconstruction/Doxyfile.in
@@ -3,7 +3,6 @@
 PROJECT_NAME = "CGAL ${CGAL_DOC_VERSION} - Kinetic Surface Reconstruction"
 EXTRACT_ALL                =  YES
 WARN_IF_UNDOCUMENTED       =  NO
-PREDEFINED                 +=  DOXYGEN_RUNNING
 
 INPUT += \
       ${CGAL_PACKAGE_INCLUDE_DIR}/CGAL/Kinetic_surface_reconstruction_3.h \
\ No newline at end of file