diff --git a/src/kservice.h b/include/rtservice.h
similarity index 90%
rename from src/kservice.h
rename to include/rtservice.h
index 3fa9cd293..52f823ede 100644
--- a/src/kservice.h
+++ b/include/rtservice.h
@@ -1,108 +1,102 @@
-/*
- * File      : kservice.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rt-thread.org/license/LICENSE
- *
- * Change Logs:
- * Date           Author       Notes
- * 2006-03-16     Bernard      the first version
- * 2006-09-07     Bernard      move the kservice APIs to rtthread.h
- * 2007-06-27     Bernard      fix the rt_list_remove bug
- */
-
-#ifndef __RT_SERVICE_H__
-#define __RT_SERVICE_H__
-
-#include <rtthread.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * @addtogroup KernelService
- */
-
-/*@{*/
-
-/**
- * @brief initialize a list
- *
- * @param l list to be initialized
- */
-rt_inline void rt_list_init(rt_list_t *l)
-{
-	l->next = l->prev = l;
-}
-
-/**
- * @brief insert a node after a list
- *
- * @param l list to insert it
- * @param n new node to be inserted
- */
-rt_inline void rt_list_insert_after(rt_list_t *l, rt_list_t *n)
-{
-	l->next->prev = n;
-	n->next = l->next;
-
-	l->next = n;
-	n->prev = l;
-}
-
-/**
- * @brief insert a node before a list
- *
- * @param n new node to be inserted
- * @param l list to insert it
- */
-rt_inline void rt_list_insert_before(rt_list_t *l, rt_list_t *n)
-{
-	l->prev->next = n;
-	n->prev = l->prev;
-
-	l->prev = n;
-	n->next = l;
-}
-
-/**
- * @brief remove node from list.
- * @param n the node to remove from the list.
- */
-rt_inline void rt_list_remove(rt_list_t *n)
-{
-	n->next->prev = n->prev;
-	n->prev->next = n->next;
-
-	n->next = n->prev = n;
-}
-
-/**
- * @brief tests whether a list is empty
- * @param l the list to test.
- */
-rt_inline int rt_list_isempty(const rt_list_t *l)
-{
-	return l->next == l;
-}
-
-/**
- * @brief get the struct for this entry
- * @param node the entry point
- * @param type the type of structure
- * @param member the name of list in structure
- */
-#define rt_list_entry(node, type, member) \
-    ((type *)((char *)(node) - (unsigned long)(&((type *)0)->member)))
-
-/*@}*/
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
+/*
+ * File      : rtservice.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2006-03-16     Bernard      the first version
+ * 2006-09-07     Bernard      move the kservice APIs to rtthread.h
+ * 2007-06-27     Bernard      fix the rt_list_remove bug
+ * 2012-03-22     Bernard      rename kservice.h to rtservice.h
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @addtogroup KernelService
+ */
+
+/*@{*/
+
+/**
+ * @brief initialize a list
+ *
+ * @param l list to be initialized
+ */
+rt_inline void rt_list_init(rt_list_t *l)
+{
+	l->next = l->prev = l;
+}
+
+/**
+ * @brief insert a node after a list
+ *
+ * @param l list to insert it
+ * @param n new node to be inserted
+ */
+rt_inline void rt_list_insert_after(rt_list_t *l, rt_list_t *n)
+{
+	l->next->prev = n;
+	n->next = l->next;
+
+	l->next = n;
+	n->prev = l;
+}
+
+/**
+ * @brief insert a node before a list
+ *
+ * @param n new node to be inserted
+ * @param l list to insert it
+ */
+rt_inline void rt_list_insert_before(rt_list_t *l, rt_list_t *n)
+{
+	l->prev->next = n;
+	n->prev = l->prev;
+
+	l->prev = n;
+	n->next = l;
+}
+
+/**
+ * @brief remove node from list.
+ * @param n the node to remove from the list.
+ */
+rt_inline void rt_list_remove(rt_list_t *n)
+{
+	n->next->prev = n->prev;
+	n->prev->next = n->next;
+
+	n->next = n->prev = n;
+}
+
+/**
+ * @brief tests whether a list is empty
+ * @param l the list to test.
+ */
+rt_inline int rt_list_isempty(const rt_list_t *l)
+{
+	return l->next == l;
+}
+
+/**
+ * @brief get the struct for this entry
+ * @param node the entry point
+ * @param type the type of structure
+ * @param member the name of list in structure
+ */
+#define rt_list_entry(node, type, member) \
+    ((type *)((char *)(node) - (unsigned long)(&((type *)0)->member)))
+
+/*@}*/
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/include/rtthread.h b/include/rtthread.h
index b491c9e73..4fde569cf 100644
--- a/include/rtthread.h
+++ b/include/rtthread.h
@@ -22,6 +22,7 @@
 
 #include <rtdef.h>
 #include <rtdebug.h>
+#include <rtservice.h>
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/src/device.c b/src/device.c
index 90d3cb501..60335a941 100644
--- a/src/device.c
+++ b/src/device.c
@@ -14,7 +14,6 @@
  */
 
 #include <rtthread.h>
-#include "kservice.h"
 
 #ifdef RT_USING_DEVICE
 
diff --git a/src/idle.c b/src/idle.c
index 93ce0352d..19cb35142 100644
--- a/src/idle.c
+++ b/src/idle.c
@@ -15,7 +15,6 @@
 
 #include <rthw.h>
 #include <rtthread.h>
-#include "kservice.h"
 
 #ifndef IDLE_THREAD_STACK_SIZE
 #if defined (RT_USING_HOOK) || defined(RT_USING_HEAP)
diff --git a/src/ipc.c b/src/ipc.c
index 0105b1dc0..01dded383 100644
--- a/src/ipc.c
+++ b/src/ipc.c
@@ -40,8 +40,6 @@
 #include <rtthread.h>
 #include <rthw.h>
 
-#include "kservice.h"
-
 #ifdef RT_USING_HOOK
 extern void (*rt_object_trytake_hook)(struct rt_object *object);
 extern void (*rt_object_take_hook)(struct rt_object *object);
diff --git a/src/mempool.c b/src/mempool.c
index 6eb57c383..5ca3b2654 100644
--- a/src/mempool.c
+++ b/src/mempool.c
@@ -22,8 +22,6 @@
 #include <rthw.h>
 #include <rtthread.h>
 
-#include "kservice.h"
-
 #ifdef RT_USING_MEMPOOL
 
 #ifdef RT_USING_HOOK
diff --git a/src/module.c b/src/module.c
index 885391913..e4740dcf9 100644
--- a/src/module.c
+++ b/src/module.c
@@ -21,7 +21,6 @@
 #include <rtm.h>
 
 #include "string.h"
-#include "kservice.h"
 
 #ifdef RT_USING_MODULE
 #include "module.h"
diff --git a/src/object.c b/src/object.c
index 78b7fd784..ce8c437a5 100644
--- a/src/object.c
+++ b/src/object.c
@@ -20,8 +20,6 @@
 #include <rtthread.h>
 #include <rthw.h>
 
-#include "kservice.h"
-
 #define _OBJ_CONTAINER_LIST_INIT(c) 	\
 	{&(rt_object_container[c].object_list), &(rt_object_container[c].object_list)}
 struct rt_object_information rt_object_container[RT_Object_Class_Unknown] =
diff --git a/src/scheduler.c b/src/scheduler.c
index 9c6aa8185..a55cea228 100644
--- a/src/scheduler.c
+++ b/src/scheduler.c
@@ -29,8 +29,6 @@
 #include <rtthread.h>
 #include <rthw.h>
 
-#include "kservice.h"
-
 static rt_int16_t rt_scheduler_lock_nest;
 extern volatile rt_uint8_t rt_interrupt_nest;
 
diff --git a/src/slab.c b/src/slab.c
index 04cfa3c98..63b355a03 100644
--- a/src/slab.c
+++ b/src/slab.c
@@ -54,7 +54,6 @@
 
 #include <rthw.h>
 #include <rtthread.h>
-#include "kservice.h"
 
 #define RT_MEM_STATS
 
diff --git a/src/thread.c b/src/thread.c
index 450821896..b964099a7 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -27,7 +27,6 @@
 
 #include <rtthread.h>
 #include <rthw.h>
-#include "kservice.h"
 
 extern rt_list_t rt_thread_priority_table[RT_THREAD_PRIORITY_MAX];
 extern struct rt_thread *rt_current_thread;
diff --git a/src/timer.c b/src/timer.c
index c3fb8a521..03babc49f 100644
--- a/src/timer.c
+++ b/src/timer.c
@@ -22,8 +22,6 @@
 #include <rtthread.h>
 #include <rthw.h>
 
-#include "kservice.h"
-
 /* hard timer list */
 static rt_list_t rt_timer_list;