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-rw-r--r--boost/graph/distributed/concepts.hpp4
1 files changed, 0 insertions, 4 deletions
diff --git a/boost/graph/distributed/concepts.hpp b/boost/graph/distributed/concepts.hpp
index 1c85b4476f..9d6e2672d7 100644
--- a/boost/graph/distributed/concepts.hpp
+++ b/boost/graph/distributed/concepts.hpp
@@ -29,10 +29,6 @@
namespace boost {
-class distributed_graph_tag { };
-class distributed_vertex_list_graph_tag { };
-class distributed_edge_list_graph_tag { };
-
#if BOOST_VERSION >= 103500
namespace concepts {
#endif