diff --git a/include/linux/reboot.h b/include/linux/reboot.h
index 015297f..1dd1c70 100644
--- a/include/linux/reboot.h
+++ b/include/linux/reboot.h
@@ -59,13 +59,13 @@
  * Architecture independent implemenations of sys_reboot commands.
  */
 
-extern void kernel_restart_prepare(char *cmd);
 extern void kernel_shutdown_prepare(enum system_states state);
 
 extern void kernel_restart(char *cmd);
 extern void kernel_halt(void);
 extern void kernel_power_off(void);
-extern void kernel_kexec(void);
+
+void ctrl_alt_del(void);
 
 /*
  * Emergency restart, callable from an interrupt handler.