diff --git a/arch/alpha/include/asm/serial.h b/arch/alpha/include/asm/serial.h
index 9d263e8d8ccc19d9feef762f4be58cc70206ecd1..22909b83f4734d183b8fcf563f21040ab3433e78 100644
--- a/arch/alpha/include/asm/serial.h
+++ b/arch/alpha/include/asm/serial.h
@@ -13,7 +13,7 @@
 #define BASE_BAUD ( 1843200 / 16 )
 
 /* Standard COM flags (except for COM4, because of the 8514 problem) */
-#ifdef CONFIG_SERIAL_DETECT_IRQ
+#ifdef CONFIG_SERIAL_8250_DETECT_IRQ
 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
 #define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
 #else
diff --git a/arch/m68k/include/asm/serial.h b/arch/m68k/include/asm/serial.h
index 7267536adbcc48d01b0afee6f7d1741bc6c24b42..06d0cb19b4e19fbe6d1bfcb01c9e568e56abb2ff 100644
--- a/arch/m68k/include/asm/serial.h
+++ b/arch/m68k/include/asm/serial.h
@@ -17,7 +17,7 @@
 #define BASE_BAUD ( 1843200 / 16 )
 
 /* Standard COM flags (except for COM4, because of the 8514 problem) */
-#ifdef CONFIG_SERIAL_DETECT_IRQ
+#ifdef CONFIG_SERIAL_8250_DETECT_IRQ
 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
 #define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
 #else
diff --git a/arch/mn10300/include/asm/serial.h b/arch/mn10300/include/asm/serial.h
index 23a79929359943aef854b7ec332dec679efb18e6..c1990218f18c5b6e1cc3fe11172db501857668fd 100644
--- a/arch/mn10300/include/asm/serial.h
+++ b/arch/mn10300/include/asm/serial.h
@@ -13,7 +13,7 @@
 #define _ASM_SERIAL_H
 
 /* Standard COM flags (except for COM4, because of the 8514 problem) */
-#ifdef CONFIG_SERIAL_DETECT_IRQ
+#ifdef CONFIG_SERIAL_8250_DETECT_IRQ
 #define STD_COM_FLAGS	(ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
 #define STD_COM4_FLAGS	(ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
 #else
@@ -21,7 +21,7 @@
 #define STD_COM4_FLAGS	ASYNC_BOOT_AUTOCONF
 #endif
 
-#ifdef CONFIG_SERIAL_MANY_PORTS
+#ifdef CONFIG_SERIAL_8250_MANY_PORTS
 #define FOURPORT_FLAGS	ASYNC_FOURPORT
 #define ACCENT_FLAGS	0
 #define BOCA_FLAGS	0
diff --git a/arch/x86/include/asm/serial.h b/arch/x86/include/asm/serial.h
index 8378b8c9109c851c3c7d1b6669e6bf0e9be689bf..bb658211edadbc2ff169ff4445ad2d0dbdbea7d5 100644
--- a/arch/x86/include/asm/serial.h
+++ b/arch/x86/include/asm/serial.h
@@ -11,7 +11,7 @@
 #define BASE_BAUD (1843200/16)
 
 /* Standard COM flags (except for COM4, because of the 8514 problem) */
-#ifdef CONFIG_SERIAL_DETECT_IRQ
+#ifdef CONFIG_SERIAL_8250_DETECT_IRQ
 # define STD_COMX_FLAGS	(UPF_BOOT_AUTOCONF |	UPF_SKIP_TEST	| UPF_AUTO_IRQ)
 # define STD_COM4_FLAGS	(UPF_BOOT_AUTOCONF |	0		| UPF_AUTO_IRQ)
 #else
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index cde54b985aefd61894ac54a482eeb0fc2321fbf0..01cecd52b909dbe9576b64623c674ea8066d4816 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -85,14 +85,6 @@ static unsigned int skip_txen_test; /* force skip of txen test at init time */
 #define BOTH_EMPTY 	(UART_LSR_TEMT | UART_LSR_THRE)
 
 
-#ifdef CONFIG_SERIAL_8250_DETECT_IRQ
-#define CONFIG_SERIAL_DETECT_IRQ 1
-#endif
-#ifdef CONFIG_SERIAL_8250_MANY_PORTS
-#define CONFIG_SERIAL_MANY_PORTS 1
-#endif
-
-
 #include <asm/serial.h>
 /*
  * SERIAL_PORT_DFNS tells us about built-in ports that have no