diff --git a/include/rpc_client.hpp b/include/rpc_client.hpp
deleted file mode 100644
index a7cf1b9..0000000
--- a/include/rpc_client.hpp
+++ /dev/null
@@ -1,92 +0,0 @@
-#pragma once
-#include <string>
-#include <boost/asio.hpp>
-#include <boost/noncopyable.hpp>
-using boost::asio::ip::tcp;
-#include "codec.h"
-
-using namespace rest_rpc::rpc_service;
-
-namespace rest_rpc {
-	class sync_client : private boost::noncopyable
-	{
-	public:
-		sync_client(boost::asio::io_service& io_service)
-			: io_service_(io_service),
-			socket_(io_service) {}
-
-		void connect(const std::string& addr, const std::string& port) {
-			tcp::resolver resolver(io_service_);
-			tcp::resolver::query query(tcp::v4(), addr, port);
-			tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
-
-			boost::asio::connect(socket_, endpoint_iterator);
-		}
-
-		std::string call(const char* data, size_t size) {
-			bool r = send(data, size);
-			if (!r) {
-				throw std::runtime_error("call failed");
-			}
-
-			socket_.receive(boost::asio::buffer(&size, 4));
-			std::string recv_data;
-			recv_data.resize(size);
-			socket_.receive(boost::asio::buffer(&recv_data[0], size));
-			return recv_data;
-		}
-
-		std::string call(std::string content) {
-			return call(content.data(), content.size());
-		}
-
-		template<typename T = void, typename... Args>
-		typename std::enable_if<std::is_void<T>::value>::type call(std::string rpc_name, Args... args) {
-			msgpack_codec codec;
-			auto ret = codec.pack_args(rpc_name, args...);
-
-			auto result = call(ret.data(), ret.size());
-			auto tp = codec.unpack<std::tuple<int>>(result.data(), result.size());
-			if (std::get<0>(tp) != 0) {
-				auto err_tp = codec.unpack<std::tuple<int, std::string>>(result.data(), result.size());
-				throw std::logic_error(std::get<1>(err_tp));
-			}
-		}
-
-		template<typename T, typename... Args>
-		typename std::enable_if<!std::is_void<T>::value, T>::type call(std::string rpc_name, Args... args) {
-			msgpack_codec codec;
-			auto ret = codec.pack_args(rpc_name, args...);
-
-			auto result = call(ret.data(), ret.size());
-			auto tp = codec.unpack<std::tuple<int>>(result.data(), result.size());
-			if (std::get<0>(tp) != 0) {
-				auto err_tp = codec.unpack<std::tuple<int, std::string>>(result.data(), result.size());
-				throw std::logic_error(std::get<1>(err_tp));
-			}
-			else {
-				auto err_tp = codec.unpack<std::tuple<int, T>>(result.data(), result.size());
-				return std::get<1>(err_tp);
-			}
-		}
-
-	private:
-		bool send(const char* data, size_t size) {
-			std::vector<boost::asio::const_buffer> message;
-			message.push_back(boost::asio::buffer(&size, 4));
-			message.push_back(boost::asio::buffer(data, size));
-			boost::system::error_code ec;
-			boost::asio::write(socket_, message, ec);
-			if (ec) {
-				return false;
-			}
-			else {
-				return true;
-			}
-		}
-
-		boost::asio::io_service& io_service_;
-		tcp::socket socket_;
-	};
-}
-