diff --git a/transport/internet/kcp/connection.go b/transport/internet/kcp/connection.go
index be9b8657..0b15a3a0 100644
--- a/transport/internet/kcp/connection.go
+++ b/transport/internet/kcp/connection.go
@@ -148,8 +148,6 @@ func (this *Connection) Write(b []byte) (int, error) {
 		this.kcpAccess.Lock()
 		nBytes := this.kcp.Send(b[totalWritten:])
 		if nBytes > 0 {
-			this.kcp.current = this.Elapsed()
-			this.kcp.flush()
 			totalWritten += nBytes
 			if totalWritten == len(b) {
 				this.kcpAccess.Unlock()