diff --git a/arch/x86/kernel/cpu/mcheck/mce.h b/arch/x86/kernel/cpu/mcheck/mce.h
index 2d1a54bdadfc30f11198467bb2bc50c39425f73f..cd6cffcc2de080f60f13441935722d2aa5df652a 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.h
+++ b/arch/x86/kernel/cpu/mcheck/mce.h
@@ -1,14 +1,14 @@
 #include <linux/init.h>
 #include <asm/mce.h>
 
-#ifdef CONFIG_X86_32
-
 void amd_mcheck_init(struct cpuinfo_x86 *c);
 void intel_p4_mcheck_init(struct cpuinfo_x86 *c);
 void intel_p5_mcheck_init(struct cpuinfo_x86 *c);
 void intel_p6_mcheck_init(struct cpuinfo_x86 *c);
 void winchip_mcheck_init(struct cpuinfo_x86 *c);
 
+#ifdef CONFIG_X86_32
+
 /* Call the installed machine check handler for this CPU setup. */
 extern void (*machine_check_vector)(struct pt_regs *, long error_code);
 
diff --git a/arch/x86/kernel/cpu/mcheck/mce_64.c b/arch/x86/kernel/cpu/mcheck/mce_64.c
index ce48ae75e1dc659d26811fcbf074d3bc54319f54..2e2c3d2e95865c49447625df5235c0ef4d320fad 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_64.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_64.c
@@ -37,6 +37,10 @@
 #include <asm/msr.h>
 #include <asm/smp.h>
 
+#include "mce.h"
+
+#ifdef CONFIG_X86_64
+
 #define MISC_MCELOG_MINOR	227
 
 atomic_t mce_entry;
@@ -1241,7 +1245,7 @@ static __init int mce_init_device(void)
 
 device_initcall(mce_init_device);
 
-#ifdef CONFIG_X86_32
+#else /* CONFIG_X86_32: */
 
 int mce_disabled;