diff --git a/src/transport/TcpTransport.h b/src/transport/TcpTransport.h
index b870f69..a2476b1 100755
--- a/src/transport/TcpTransport.h
+++ b/src/transport/TcpTransport.h
@@ -44,8 +44,8 @@
 
 class TcpTransport : public noncopyable, public std::enable_shared_from_this<TcpTransport> {
  public:
-  typedef std::function<void(ByteArrayRef, TcpTransportPtr) noexcept> ReadCallback;
-  typedef std::function<void(TcpTransportPtr) noexcept> CloseCallback;
+  typedef std::function<void(ByteArrayRef, TcpTransportPtr) /* noexcept */> ReadCallback;
+  typedef std::function<void(TcpTransportPtr) /* noexcept */> CloseCallback;
 
  public:
   static TcpTransportPtr CreateTransport(ReadCallback readCallback,