diff --git a/Triangulation_2/include/CGAL/Regular_triangulation_euclidean_traits_2.h b/Triangulation_2/include/CGAL/Regular_triangulation_euclidean_traits_2.h
index 8f594c4d9ce..844a7031988 100644
--- a/Triangulation_2/include/CGAL/Regular_triangulation_euclidean_traits_2.h
+++ b/Triangulation_2/include/CGAL/Regular_triangulation_euclidean_traits_2.h
@@ -27,14 +27,13 @@
 // Below will be decommented in a short bit, when implicit conversions are removed
 // and `Regular_triangulation_euclidean_traits_2` becomes empty
 
-// #define CGAL_DEPRECATED_HEADER "<CGAL/Regular_triangulation_euclidean_traits_2.h>"
-// #define CGAL_DEPRECATED_MESSAGE_DETAILS \
-//   "The kernel K can be used directly as traits since weighted points and "\
-//   "the associated function objects are now part of the concept Kernel."
-// #include <CGAL/internal/deprecation_warning.h>
-
-#include <CGAL/config.h>
-
+/*
+#define CGAL_DEPRECATED_HEADER "<CGAL/Regular_triangulation_euclidean_traits_2.h>"
+#define CGAL_DEPRECATED_MESSAGE_DETAILS \
+  "The kernel K can be used directly as traits since weighted points and "\
+  "the associated function objects are now part of the concept Kernel."
+#include <CGAL/internal/deprecation_warning.h>
+*/
 
 namespace CGAL {