diff --git a/arch/x86/kernel/mpparse_64.c b/arch/x86/kernel/mpparse_64.c
index a91e21ebf1ca570bef62a04176343c9466ad8c8c..f044e98800ef2803dfbdc2fb939db7a74e270fb2 100644
--- a/arch/x86/kernel/mpparse_64.c
+++ b/arch/x86/kernel/mpparse_64.c
@@ -68,9 +68,11 @@ unsigned disabled_cpus __cpuinitdata;
 /* Bitmask of physically existing CPUs */
 physid_mask_t phys_cpu_present_map = PHYSID_MASK_NONE;
 
+#ifdef CONFIG_SMP
 u16 x86_bios_cpu_apicid_init[NR_CPUS] __initdata
     = {[0 ... NR_CPUS - 1] = BAD_APICID };
 void *x86_bios_cpu_apicid_early_ptr;
+#endif
 DEFINE_PER_CPU(u16, x86_bios_cpu_apicid) = BAD_APICID;
 EXPORT_PER_CPU_SYMBOL(x86_bios_cpu_apicid);