diff --git a/TDS_3/doc/TDS_3/Concepts/TriangulationDSCellBase_3.h b/TDS_3/doc/TDS_3/Concepts/TriangulationDSCellBase_3.h
index 01c6ac9cc95..81c5c0d2b41 100644
--- a/TDS_3/doc/TDS_3/Concepts/TriangulationDSCellBase_3.h
+++ b/TDS_3/doc/TDS_3/Concepts/TriangulationDSCellBase_3.h
@@ -29,7 +29,6 @@ More information can be found in Section \ref TDS3secdesign.
 
 \sa `TriangulationDSVertexBase_3` 
 \sa `TriangulationVertexBase_3` 
-\sa `TriangulationHierarchyVertexBase_3` 
 \sa `TriangulationCellBase_3` 
 
 */
diff --git a/TDS_3/doc/TDS_3/Concepts/TriangulationDSVertexBase_3.h b/TDS_3/doc/TDS_3/Concepts/TriangulationDSVertexBase_3.h
index 47d209d9c9f..65ebd7118e9 100644
--- a/TDS_3/doc/TDS_3/Concepts/TriangulationDSVertexBase_3.h
+++ b/TDS_3/doc/TDS_3/Concepts/TriangulationDSVertexBase_3.h
@@ -29,7 +29,6 @@ More information can be found in Section \ref TDS3secdesign.
 \cgalHasModel CGAL::Triangulation_vertex_base_with_info_3 
 
 \sa `TriangulationVertexBase_3` 
-\sa `TriangulationHierarchyVertexBase_3` 
 \sa `TriangulationDSCellBase_3` 
 \sa `TriangulationCellBase_3`