diff --git a/include/linux/smpboot.h b/include/linux/smpboot.h
index 13e929679550..d600afb21926 100644
--- a/include/linux/smpboot.h
+++ b/include/linux/smpboot.h
@@ -47,6 +47,5 @@ struct smp_hotplug_thread {
 
 int smpboot_register_percpu_thread(struct smp_hotplug_thread *plug_thread);
 void smpboot_unregister_percpu_thread(struct smp_hotplug_thread *plug_thread);
-int smpboot_thread_schedule(void);
 
 #endif