diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index 7b56aa5b6c3f..966d1376b592 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -502,7 +502,7 @@ unsigned long long sched_clock(void)
 	return cycles_2_ns(a);
 }
 
-unsigned long get_cmos_time(void)
+static unsigned long get_cmos_time(void)
 {
 	unsigned int timeout, year, mon, day, hour, min, sec;
 	unsigned char last, this;
diff --git a/arch/x86_64/kernel/x8664_ksyms.c b/arch/x86_64/kernel/x8664_ksyms.c
index 901f8b038dc7..b614d54d2ae4 100644
--- a/arch/x86_64/kernel/x8664_ksyms.c
+++ b/arch/x86_64/kernel/x8664_ksyms.c
@@ -44,8 +44,6 @@ extern struct drive_info_struct drive_info;
 EXPORT_SYMBOL(drive_info);
 #endif
 
-extern unsigned long get_cmos_time(void);
-
 /* platform dependent support */
 EXPORT_SYMBOL(boot_cpu_data);
 //EXPORT_SYMBOL(dump_fpu);
@@ -55,7 +53,6 @@ EXPORT_SYMBOL(iounmap);
 EXPORT_SYMBOL(kernel_thread);
 EXPORT_SYMBOL(pm_idle);
 EXPORT_SYMBOL(pm_power_off);
-EXPORT_SYMBOL(get_cmos_time);
 
 EXPORT_SYMBOL(__down_failed);
 EXPORT_SYMBOL(__down_failed_interruptible);