diff --git a/cs104/server_session.go b/cs104/server_session.go
index 7285286..983344c 100644
--- a/cs104/server_session.go
+++ b/cs104/server_session.go
@@ -399,7 +399,7 @@ func (sf *SrvSession) updateAckNoOut(ackNo uint16) (ok bool) {
 			break
 		}
 	}
-	//sf.confirmReception(ackNo)
+
 	sf.ackNoSend = ackNo
 	return true
 }