diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 429994d..9224fc3 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -105,7 +105,7 @@
 	SERIAL_PORT_DFNS /* defined in asm/serial.h */
 };
 
-#define UART_NR	(ARRAY_SIZE(old_serial_port) + CONFIG_SERIAL_8250_NR_UARTS)
+#define UART_NR	CONFIG_SERIAL_8250_NR_UARTS
 
 #ifdef CONFIG_SERIAL_8250_RSA
 
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index e879bce..e0d0a47 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -86,7 +86,7 @@
 	  namespace, say Y here.  If unsure, say N.
 
 config SERIAL_8250_NR_UARTS
-	int "Maximum number of non-legacy 8250/16550 serial ports"
+	int "Maximum number of 8250/16550 serial ports"
 	depends on SERIAL_8250
 	default "4"
 	help