diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index 658aad65912b642ccb090893398a6c199bf35c1a..b2c346c5e16f87bc55b4e29326e8805775570495 100644
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -43,7 +43,6 @@ extern void __init dump_numa_cpu_topology(void);
 
 extern int sysfs_add_device_to_node(struct device *dev, int nid);
 extern void sysfs_remove_device_from_node(struct device *dev, int nid);
-extern int numa_update_cpu_topology(bool cpus_locked);
 
 static inline void update_numa_cpu_lookup_table(unsigned int cpu, int node)
 {
@@ -78,11 +77,6 @@ static inline void sysfs_remove_device_from_node(struct device *dev,
 {
 }
 
-static inline int numa_update_cpu_topology(bool cpus_locked)
-{
-	return 0;
-}
-
 static inline void update_numa_cpu_lookup_table(unsigned int cpu, int node) {}
 
 static inline int cpu_distance(__be32 *cpu1_assoc, __be32 *cpu2_assoc)
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 26fcc947dd2d7cd9d0ee78a5088c0620aced6808..e437a9ac49564f991d79e7cde3fb1d0fa90949bc 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -1200,16 +1200,6 @@ int find_and_online_cpu_nid(int cpu)
 	return new_nid;
 }
 
-int numa_update_cpu_topology(bool cpus_locked)
-{
-	return 0;
-}
-
-int arch_update_cpu_topology(void)
-{
-	return numa_update_cpu_topology(true);
-}
-
 static int topology_update_init(void)
 {
 	topology_inited = 1;