diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
index 282916f3b8d8..55bdbedde0b8 100644
--- a/arch/x86/kernel/cpu/mce/core.c
+++ b/arch/x86/kernel/cpu/mce/core.c
@@ -65,7 +65,16 @@ static DEFINE_MUTEX(mce_sysfs_mutex);
 
 DEFINE_PER_CPU(unsigned, mce_exception_count);
 
-struct mce_bank *mce_banks __read_mostly;
+#define ATTR_LEN               16
+/* One object for each MCE bank, shared by all CPUs */
+struct mce_bank {
+	u64			ctl;			/* subevents to enable */
+	bool			init;			/* initialise bank? */
+	struct device_attribute	attr;			/* device attribute */
+	char			attrname[ATTR_LEN];	/* attribute name */
+};
+
+static struct mce_bank *mce_banks __read_mostly;
 struct mce_vendor_flags mce_flags __read_mostly;
 
 struct mca_config mca_cfg __read_mostly = {
diff --git a/arch/x86/kernel/cpu/mce/internal.h b/arch/x86/kernel/cpu/mce/internal.h
index a34b55baa7aa..35b3e5c02c1c 100644
--- a/arch/x86/kernel/cpu/mce/internal.h
+++ b/arch/x86/kernel/cpu/mce/internal.h
@@ -22,17 +22,8 @@ enum severity_level {
 
 extern struct blocking_notifier_head x86_mce_decoder_chain;
 
-#define ATTR_LEN		16
 #define INITIAL_CHECK_INTERVAL	5 * 60 /* 5 minutes */
 
-/* One object for each MCE bank, shared by all CPUs */
-struct mce_bank {
-	u64			ctl;			/* subevents to enable */
-	unsigned char init;				/* initialise bank? */
-	struct device_attribute attr;			/* device attribute */
-	char			attrname[ATTR_LEN];	/* attribute name */
-};
-
 struct mce_evt_llist {
 	struct llist_node llnode;
 	struct mce mce;
@@ -47,7 +38,6 @@ struct llist_node *mce_gen_pool_prepare_records(void);
 extern int (*mce_severity)(struct mce *a, int tolerant, char **msg, bool is_excp);
 struct dentry *mce_get_debugfs_dir(void);
 
-extern struct mce_bank *mce_banks;
 extern mce_banks_t mce_banks_ce_disabled;
 
 #ifdef CONFIG_X86_MCE_INTEL