diff --git a/arch/um/kernel/reboot.c b/arch/um/kernel/reboot.c
index 48c0610d506e0c6f636cb8aa54df0f3b381edc0e..1de717be8d887fd011ec6453d49ad525b9f92f62 100644
--- a/arch/um/kernel/reboot.c
+++ b/arch/um/kernel/reboot.c
@@ -13,9 +13,6 @@
 #include <os.h>
 #include <skas.h>
 
-void (*pm_power_off)(void);
-EXPORT_SYMBOL(pm_power_off);
-
 static void kill_off_processes(void)
 {
 	struct task_struct *p;