diff --git a/arch/frv/kernel/setup.c b/arch/frv/kernel/setup.c
index d96a57e5f030..a8c61dac1cee 100644
--- a/arch/frv/kernel/setup.c
+++ b/arch/frv/kernel/setup.c
@@ -31,7 +31,6 @@
 #include <linux/serial_reg.h>
 
 #include <asm/setup.h>
-#include <asm/serial.h>
 #include <asm/irq.h>
 #include <asm/sections.h>
 #include <asm/pgalloc.h>
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 84f93c0f2c66..c4caa8003492 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -54,7 +54,6 @@
 #include <asm/processor.h>
 #include <asm/sal.h>
 #include <asm/sections.h>
-#include <asm/serial.h>
 #include <asm/setup.h>
 #include <asm/smp.h>
 #include <asm/system.h>
diff --git a/arch/mips/cobalt/setup.c b/arch/mips/cobalt/setup.c
index c01a0170e590..0b347cffc768 100644
--- a/arch/mips/cobalt/setup.c
+++ b/arch/mips/cobalt/setup.c
@@ -23,7 +23,6 @@
 #include <asm/processor.h>
 #include <asm/reboot.h>
 #include <asm/gt64120.h>
-#include <asm/serial.h>
 
 #include <asm/mach-cobalt/cobalt.h>
 
diff --git a/arch/mips/lasat/setup.c b/arch/mips/lasat/setup.c
index 0ffc43c600d9..14c55168f1ff 100644
--- a/arch/mips/lasat/setup.c
+++ b/arch/mips/lasat/setup.c
@@ -34,7 +34,6 @@
 #include <asm/cpu.h>
 #include <asm/bootinfo.h>
 #include <asm/irq.h>
-#include <asm/serial.h>
 #include <asm/lasat/lasat.h>
 #include <asm/lasat/serial.h>
 
diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index 00f574cbb0d4..539efe782618 100644
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -57,7 +57,6 @@
 #include <linux/netdevice.h>
 #include <linux/vmalloc.h>
 #include <linux/init.h>
-#include <asm/serial.h>
 #include <linux/delay.h>
 #include <linux/ioctl.h>
 
diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index 78b1b1a2732b..c53f4579a59f 100644
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -87,7 +87,6 @@
 
 #include <linux/vmalloc.h>
 #include <linux/init.h>
-#include <asm/serial.h>
 
 #include <linux/delay.h>
 #include <linux/ioctl.h>