diff --git a/Triangulation/doc/Triangulation/CGAL/Triangulation_off_ostream.h b/Triangulation/doc/Triangulation/CGAL/Triangulation_off_ostream.h
deleted file mode 100644
index 2f961f88bf7..00000000000
--- a/Triangulation/doc/Triangulation/CGAL/Triangulation_off_ostream.h
+++ /dev/null
@@ -1,11 +0,0 @@
-namespace CGAL{
-/*!
- *Exports `tr` to `os` in the OFF format.
- * \see \ref IOStreamOFF
- */
-template < class GT, class TDS >
-std::ostream &
-export_triangulation_to_off(std::ostream & os,
-                            const Triangulation<GT,TDS> & tr,
-                            bool in_3D_export_surface_only = false);
-}