diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c
index c9554a7..6ae5987 100644
--- a/arch/sh/kernel/process_64.c
+++ b/arch/sh/kernel/process_64.c
@@ -32,30 +32,7 @@
 
 struct task_struct *last_task_used_math = NULL;
 
-void machine_restart(char * __unused)
-{
-	extern void phys_stext(void);
-
-	phys_stext();
-}
-
-void machine_halt(void)
-{
-	for (;;);
-}
-
-void machine_power_off(void)
-{
-	__asm__ __volatile__ (
-		"sleep\n\t"
-		"synci\n\t"
-		"nop;nop;nop;nop\n\t"
-	);
-
-	panic("Unexpected wakeup!\n");
-}
-
-void show_regs(struct pt_regs * regs)
+void show_regs(struct pt_regs *regs)
 {
 	unsigned long long ah, al, bh, bl, ch, cl;