diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c
index 920468bf4e83..d66fd24f87cf 100644
--- a/drivers/tty/serial/of_serial.c
+++ b/drivers/tty/serial/of_serial.c
@@ -21,10 +21,6 @@
 #include <linux/nwpserial.h>
 #include <linux/clk.h>
 
-#ifdef CONFIG_SERIAL_8250_MODULE
-#define CONFIG_SERIAL_8250 CONFIG_SERIAL_8250_MODULE
-#endif
-
 #include "8250/8250.h"
 
 struct of_serial_info {
@@ -198,7 +194,6 @@ static int of_platform_serial_probe(struct platform_device *ofdev)
 		goto out;
 
 	switch (port_type) {
-#ifdef CONFIG_SERIAL_8250
 	case PORT_8250 ... PORT_MAX_8250:
 	{
 		struct uart_8250_port port8250;
@@ -215,7 +210,6 @@ static int of_platform_serial_probe(struct platform_device *ofdev)
 		ret = serial8250_register_8250_port(&port8250);
 		break;
 	}
-#endif
 	default:
 		/* need to add code for these */
 	case PORT_UNKNOWN:
@@ -243,11 +237,9 @@ static int of_platform_serial_remove(struct platform_device *ofdev)
 {
 	struct of_serial_info *info = platform_get_drvdata(ofdev);
 	switch (info->type) {
-#ifdef CONFIG_SERIAL_8250
 	case PORT_8250 ... PORT_MAX_8250:
 		serial8250_unregister_port(info->line);
 		break;
-#endif
 	default:
 		/* need to add code for these */
 		break;
@@ -260,7 +252,6 @@ static int of_platform_serial_remove(struct platform_device *ofdev)
 }
 
 #ifdef CONFIG_PM_SLEEP
-#ifdef CONFIG_SERIAL_8250
 static void of_serial_suspend_8250(struct of_serial_info *info)
 {
 	struct uart_8250_port *port8250 = serial8250_get_port(info->line);
@@ -281,15 +272,6 @@ static void of_serial_resume_8250(struct of_serial_info *info)
 
 	serial8250_resume_port(info->line);
 }
-#else
-static inline void of_serial_suspend_8250(struct of_serial_info *info)
-{
-}
-
-static inline void of_serial_resume_8250(struct of_serial_info *info)
-{
-}
-#endif
 
 static int of_serial_suspend(struct device *dev)
 {