diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index c0ab3588129d..dbb8367ecf56 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -332,9 +332,6 @@ static inline const struct cpumask *get_cpu_mask(unsigned int cpu)
 	[BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD			\
 } }
 
-/* cpu_mask_all is in init/main.c */
-extern cpumask_t cpu_mask_all;
-
 #endif
 
 #define CPU_MASK_NONE							\
diff --git a/init/main.c b/init/main.c
index 6107223124e4..51695cee1864 100644
--- a/init/main.c
+++ b/init/main.c
@@ -360,11 +360,6 @@ static inline void smp_prepare_cpus(unsigned int maxcpus) { }
 
 #else
 
-#if NR_CPUS > BITS_PER_LONG
-cpumask_t cpu_mask_all __read_mostly = CPU_MASK_ALL;
-EXPORT_SYMBOL(cpu_mask_all);
-#endif
-
 /* Setup number of possible processor ids */
 int nr_cpu_ids __read_mostly = NR_CPUS;
 EXPORT_SYMBOL(nr_cpu_ids);