diff --git a/test/server/session.cpp b/test/server/session.cpp
index c2f60f7..820aa2c 100644
--- a/test/server/session.cpp
+++ b/test/server/session.cpp
@@ -2,7 +2,7 @@
 #include <iostream>
 #include <boost/asio/spawn.hpp>
 
-session::session(boost::asio::io_service &io_service): boost::asio::coroutine(), _socket(io_service)
+session::session(boost::asio::io_service &io_service): _socket(io_service)
 {
 }
 
diff --git a/test/server/session.h b/test/server/session.h
index 42bad14..8bffe52 100644
--- a/test/server/session.h
+++ b/test/server/session.h
@@ -4,7 +4,7 @@
 #include "threadpool.h"
 #include <boost/asio.hpp>
 
-class session: boost::asio::coroutine
+class session
 {
 private:
 	typedef boost::asio::ip::tcp tcp;
@@ -14,14 +14,12 @@ private:
 	char _data[128];
 	threadpool _pool;
 
-    // "local" variables
-    std::future<int> _fut;
-
 public:
 	session() = delete;
 	session(session&) = delete;
 	session(boost::asio::io_service& io_service);
 	void start();
+    tcp::socket& socket();
 
     template <typename R, typename CompletionToken> R async_call(std::function<R()> func, CompletionToken&& token)
     {
@@ -34,8 +32,6 @@ public:
 
         return result.get();
     }
-
-    boost::asio::ip::tcp::socket& socket();
 };
 
 #endif // _SESSION_H_
\ No newline at end of file