diff --git a/Polygon_mesh_processing/doc/Polygon_mesh_processing/Doxyfile.in b/Polygon_mesh_processing/doc/Polygon_mesh_processing/Doxyfile.in
index ca887f90669..8afaceb878f 100644
--- a/Polygon_mesh_processing/doc/Polygon_mesh_processing/Doxyfile.in
+++ b/Polygon_mesh_processing/doc/Polygon_mesh_processing/Doxyfile.in
@@ -23,8 +23,6 @@ EXCLUDE_SYMBOLS += experimental
 HTML_EXTRA_FILES           = ${CGAL_PACKAGE_DOC_DIR}/fig/selfintersections.jpg \
                              ${CGAL_PACKAGE_DOC_DIR}/fig/mesh_smoothing.png \
                              ${CGAL_PACKAGE_DOC_DIR}/fig/shape_smoothing.png \
-                             ${CGAL_PACKAGE_DOC_DIR}/fig/icc_diff_radius.png \
-                             ${CGAL_PACKAGE_DOC_DIR}/fig/icc_diff_radius.png \
                              ${CGAL_PACKAGE_DOC_DIR}/fig/ bimba-dmax0.020000-0.000000.png\
                              ${CGAL_PACKAGE_DOC_DIR}/fig/bimba-dmax0.020000-0.002000.png\
                              ${CGAL_PACKAGE_DOC_DIR}/fig/bimba-dmax0.030000-0.000000.png\