diff --git a/include/linux/vtime.h b/include/linux/vtime.h
index 3684487d01e1..593466ceebed 100644
--- a/include/linux/vtime.h
+++ b/include/linux/vtime.h
@@ -18,7 +18,6 @@ extern void vtime_account_idle(struct task_struct *tsk);
 #endif /* !CONFIG_VIRT_CPU_ACCOUNTING */
 
 #ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
-extern void arch_vtime_task_switch(struct task_struct *tsk);
 extern void vtime_user_enter(struct task_struct *tsk);
 extern void vtime_user_exit(struct task_struct *tsk);
 extern void vtime_guest_enter(struct task_struct *tsk);