diff --git a/session.go b/session.go
index 8aca131..8b15b91 100644
--- a/session.go
+++ b/session.go
@@ -46,7 +46,6 @@ type Session struct {
 	dieLock   sync.Mutex
 	chAccepts chan *Stream
 
-	xmitPool  sync.Pool
 	dataReady int32 // flag data has arrived
 
 	deadline atomic.Value