diff --git a/components/drivers/include/ipc/workqueue.h b/components/drivers/include/ipc/workqueue.h
index 03d38b2f4d3b169d01448eb66b630f8c569cae89..a156145641bd5e3c132a5bf82192c1f71221fb48 100644
--- a/components/drivers/include/ipc/workqueue.h
+++ b/components/drivers/include/ipc/workqueue.h
@@ -69,7 +69,7 @@ rt_err_t rt_workqueue_critical_work(struct rt_workqueue *queue, struct rt_work *
 #ifdef RT_USING_SYSTEM_WORKQUEUE
 rt_err_t rt_work_submit(struct rt_work *work, rt_tick_t time);
 rt_err_t rt_work_cancel(struct rt_work *work);
-#endif
+#endif /* RT_USING_SYSTEM_WORKQUEUE */
 
 rt_inline void rt_work_init(struct rt_work *work, void (*work_func)(struct rt_work *work, void *work_data),
                             void *work_data)
@@ -85,7 +85,6 @@ rt_inline void rt_work_init(struct rt_work *work, void (*work_func)(struct rt_wo
 void rt_delayed_work_init(struct rt_delayed_work *work, void (*work_func)(struct rt_work *work,
                           void *work_data), void *work_data);
 
-int rt_work_sys_workqueue_init(void);
-#endif
+#endif /* RT_USING_HEAP */
 
 #endif
diff --git a/components/drivers/src/workqueue.c b/components/drivers/src/workqueue.c
index f195dad9277b6e64a414c92a8a0186b27743b0f7..065c5050152ae3afb97697234db2695f4dc36ce8 100644
--- a/components/drivers/src/workqueue.c
+++ b/components/drivers/src/workqueue.c
@@ -358,7 +358,7 @@ rt_err_t rt_work_cancel(struct rt_work *work)
     return rt_workqueue_cancel_work(sys_workq, work);
 }
 
-int rt_work_sys_workqueue_init(void)
+static int rt_work_sys_workqueue_init(void)
 {
     if (sys_workq != RT_NULL)
         return RT_EOK;
@@ -370,5 +370,5 @@ int rt_work_sys_workqueue_init(void)
     return RT_EOK;
 }
 INIT_PREV_EXPORT(rt_work_sys_workqueue_init);
-#endif
-#endif
+#endif /* RT_USING_SYSTEM_WORKQUEUE */
+#endif /* RT_USING_HEAP */