Index: named_graph.hpp
===================================================================
--- named_graph.hpp	(revision 74484)
+++ named_graph.hpp	(working copy)
@@ -346,7 +346,9 @@
 template<BGL_NAMED_GRAPH_PARAMS>
 inline void BGL_NAMED_GRAPH::removing_vertex(Vertex vertex)
 {
-  named_vertices.erase(vertex);
+  typedef typename BGL_NAMED_GRAPH::vertex_name_type vertex_name_type;
+  const vertex_name_type& vertex_name = extract_name(derived()[vertex]);
+  named_vertices.erase(vertex_name);
 }
 
 template<BGL_NAMED_GRAPH_PARAMS>