diff --git a/CMakeLists.txt b/CMakeLists.txt
index 19f8bae..1dbd63e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -240,7 +240,6 @@ set( fc_sources
      src/rpc/http_api.cpp
      src/rpc/json_connection.cpp
      src/rpc/state.cpp
-     src/rpc/bstate.cpp
      src/rpc/websocket_api.cpp
      src/log/log_message.cpp
      src/log/logger.cpp
diff --git a/include/fc/rpc/bstate.hpp b/include/fc/rpc/bstate.hpp
deleted file mode 100644
index 8b398c4..0000000
--- a/include/fc/rpc/bstate.hpp
+++ /dev/null
@@ -1,58 +0,0 @@
-#pragma once
-#include <fc/variant.hpp>
-#include <functional>
-#include <fc/thread/future.hpp>
-#include <fc/rpc/state.hpp>
-
-namespace fc { namespace rpc {
-   typedef std::vector<char> params_type;
-   typedef std::vector<char> result_type;
-
-   struct brequest
-   {
-      optional<uint64_t>  id;
-      std::string         method;
-      params_type         params;
-   };
-
-   struct bresponse
-   {
-      bresponse(){}
-      bresponse( int64_t i, result_type r ):id(i),result(r){}
-      bresponse( int64_t i, error_object r ):id(i),error(r){}
-      int64_t                id = 0;
-      optional<result_type>  result;
-      optional<error_object> error;
-   };
-
-   /** binary RPC state */
-   class bstate
-   {
-      public:
-         typedef std::function<result_type(const params_type&)>  method;
-         ~bstate();
-
-         void add_method( const std::string& name, method m );
-         void remove_method( const std::string& name );
-
-         result_type local_call( const string& method_name, const params_type& args );
-         void    handle_reply( const bresponse& response );
-
-         brequest start_remote_call( const string& method_name, params_type args );
-         result_type wait_for_response( uint64_t request_id );
-
-         void close();
-
-         void on_unhandled( const std::function<result_type(const string&,const params_type&)>& unhandled );
-
-      private:
-         uint64_t                                                      _next_id = 1;
-         std::unordered_map<uint64_t, fc::promise<result_type>::ptr>   _awaiting;
-         std::unordered_map<std::string, method>                       _methods;
-         std::function<result_type(const string&,const params_type&)>         _unhandled;
-   };
-} }  // namespace  fc::rpc
-
-FC_REFLECT( fc::rpc::brequest, (id)(method)(params) );
-FC_REFLECT( fc::rpc::bresponse, (id)(result)(error) )
-
diff --git a/src/rpc/bstate.cpp b/src/rpc/bstate.cpp
deleted file mode 100644
index b6b39fd..0000000
--- a/src/rpc/bstate.cpp
+++ /dev/null
@@ -1,68 +0,0 @@
-#include <fc/rpc/bstate.hpp>
-#include <fc/thread/thread.hpp>
-#include <fc/reflect/variant.hpp>
-
-namespace fc { namespace rpc {
-bstate::~bstate()
-{
-   close();
-}
-
-void bstate::add_method( const std::string& name, method m )
-{
-   _methods.emplace(std::pair<std::string,method>(name,std::move(m)));
-}
-
-void bstate::remove_method( const std::string& name )
-{
-   _methods.erase(name);
-}
-
-result_type bstate::local_call( const string& method_name, const params_type& args )
-{
-   auto method_itr = _methods.find(method_name);
-   if( method_itr == _methods.end() && _unhandled )
-      return _unhandled( method_name, args );
-   FC_ASSERT( method_itr != _methods.end(), "Unknown Method: ${name}", ("name",method_name) );
-   return method_itr->second(args);
-}
-
-void  bstate::handle_reply( const bresponse& bresponse )
-{
-   auto await = _awaiting.find( bresponse.id );
-   FC_ASSERT( await != _awaiting.end(), "Unknown Response ID: ${id}", ("id",bresponse.id)("bresponse",bresponse) );
-   if( bresponse.result ) 
-      await->second->set_value( *bresponse.result );
-   else if( bresponse.error )
-   {
-      await->second->set_exception( exception_ptr(new FC_EXCEPTION( exception, "${error}", ("error",bresponse.error->message)("data",bresponse) ) ) );
-   }
-   else
-      await->second->set_value( params_type() );
-   _awaiting.erase(await);
-}
-
-brequest bstate::start_remote_call( const string& method_name, params_type args )
-{
-   brequest brequest{ _next_id++, method_name, std::move(args) };
-   _awaiting[*brequest.id] = fc::promise<result_type>::ptr( new fc::promise<result_type>("json_connection::async_call") );
-   return brequest;
-}
-result_type bstate::wait_for_response( uint64_t request_id )
-{
-   auto itr = _awaiting.find(request_id);
-   FC_ASSERT( itr != _awaiting.end() );
-   return fc::future<result_type>( itr->second ).wait();
-}
-void bstate::close()
-{
-   for( auto item : _awaiting )
-      item.second->set_exception( fc::exception_ptr(new FC_EXCEPTION( eof_exception, "connection closed" )) );
-   _awaiting.clear();
-}
-void bstate::on_unhandled( const std::function<result_type(const string&, const params_type&)>& unhandled )
-{
-   _unhandled = unhandled;
-}
-
-} }  // namespace fc::rpc