diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 09475695effd472dd027922b5642d189a23921ec..b2d18189d3d972fddee35e6a088831544d9e6255 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -3194,7 +3194,6 @@ void serial8250_init_port(struct uart_8250_port *up)
 {
 	struct uart_port *port = &up->port;
 
-	spin_lock_init(&port->lock);
 	port->ops = &serial8250_pops;
 	port->has_sysrq = IS_ENABLED(CONFIG_SERIAL_8250_CONSOLE);