diff --git a/include/boost/graph/bron_kerbosch_all_cliques.hpp b/include/boost/graph/bron_kerbosch_all_cliques.hpp
index 91960936..b663cf95 100644
--- a/include/boost/graph/bron_kerbosch_all_cliques.hpp
+++ b/include/boost/graph/bron_kerbosch_all_cliques.hpp
@@ -270,7 +270,6 @@ bron_kerbosch_all_cliques(const Graph& g, Visitor vis, std::size_t min)
 {
     BOOST_CONCEPT_ASSERT(( IncidenceGraphConcept<Graph> ));
     BOOST_CONCEPT_ASSERT(( VertexListGraphConcept<Graph> ));
-    BOOST_CONCEPT_ASSERT(( VertexIndexGraphConcept<Graph> ));
     BOOST_CONCEPT_ASSERT(( AdjacencyMatrixConcept<Graph> )); // Structural requirement only
     typedef typename graph_traits<Graph>::vertex_descriptor Vertex;
     typedef typename graph_traits<Graph>::vertex_iterator VertexIterator;