diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c
index 45ee1122a5f7..4dafa16aa29c 100644
--- a/drivers/tty/mxser.c
+++ b/drivers/tty/mxser.c
@@ -910,7 +910,6 @@ static void mxser_close(struct tty_struct *tty, struct file *filp)
 	if (tty_port_close_start(port, tty, filp) == 0)
 		return;
 	mutex_lock(&port->mutex);
-	mxser_flush_buffer(tty);
 	if (tty_port_initialized(port) && C_HUPCL(tty))
 		tty_port_lower_dtr_rts(port);
 	mxser_shutdown_port(port);