diff --git a/include/asm-x86_64/mtrr.h b/include/asm-x86_64/mtrr.h
index d6135b2549bf..66809eca98cf 100644
--- a/include/asm-x86_64/mtrr.h
+++ b/include/asm-x86_64/mtrr.h
@@ -135,6 +135,14 @@ struct mtrr_gentry32
 
 #endif /* CONFIG_COMPAT */
 
+#ifdef CONFIG_MTRR
+extern void mtrr_ap_init(void);
+extern void mtrr_bp_init(void);
+#else
+#define mtrr_ap_init() do {} while (0)
+#define mtrr_bp_init() do {} while (0)
+#endif
+
 #endif /* __KERNEL__ */
 
 #endif  /*  _LINUX_MTRR_H  */
diff --git a/include/asm-x86_64/proto.h b/include/asm-x86_64/proto.h
index 98063bcb3b33..85255db1e82d 100644
--- a/include/asm-x86_64/proto.h
+++ b/include/asm-x86_64/proto.h
@@ -14,13 +14,6 @@ extern void pda_init(int);
 extern void early_idt_handler(void);
 
 extern void mcheck_init(struct cpuinfo_x86 *c);
-#ifdef CONFIG_MTRR
-extern void mtrr_ap_init(void);
-extern void mtrr_bp_init(void);
-#else
-#define mtrr_ap_init() do {} while (0)
-#define mtrr_bp_init() do {} while (0)
-#endif
 extern void init_memory_mapping(unsigned long start, unsigned long end);
 
 extern void system_call(void);