diff --git a/bsp/CME_M7/applications/startup.c b/bsp/CME_M7/applications/startup.c
index edff582d1f..44f439690b 100644
--- a/bsp/CME_M7/applications/startup.c
+++ b/bsp/CME_M7/applications/startup.c
@@ -47,12 +47,6 @@ void rtthread_startup(void)
     /* show version */
     rt_show_version();
 
-    /* init tick */
-    rt_system_tick_init();
-
-    /* init kernel object */
-    rt_system_object_init();
-
     /* init timer system */
     rt_system_timer_init();
 
diff --git a/bsp/avr32uc3b0/startup.c b/bsp/avr32uc3b0/startup.c
index 6f1a3d3ada..0411b5d1ce 100644
--- a/bsp/avr32uc3b0/startup.c
+++ b/bsp/avr32uc3b0/startup.c
@@ -30,8 +30,6 @@ int main(void)
 #endif
 
 	rt_hw_board_init();
-	rt_system_tick_init();
-	rt_system_object_init();
 	rt_system_timer_init();
 
 #ifdef RT_USING_HEAP
diff --git a/bsp/bf533/startup.c b/bsp/bf533/startup.c
index 8f1b83912a..7d90dd2493 100644
--- a/bsp/bf533/startup.c
+++ b/bsp/bf533/startup.c
@@ -35,12 +35,6 @@ void rtthread_startup(void)
     /* show version */
     rt_show_version();
 
-    /* init tick */
-    rt_system_tick_init();
-
-    /* init kernel object */
-    rt_system_object_init();
-
     /* init timer system */
     rt_system_timer_init();
 
diff --git a/bsp/efm32/startup.c b/bsp/efm32/startup.c
index f997c6aadd..9a70f1278a 100644
--- a/bsp/efm32/startup.c
+++ b/bsp/efm32/startup.c
@@ -102,12 +102,6 @@ void rtthread_startup(void)
     /* show version */
     rt_show_version();
 
-    /* init tick */
-    rt_system_tick_init();
-
-    /* init kernel object */
-    rt_system_object_init();
-
     /* init timer system */
     rt_system_timer_init();
 
diff --git a/bsp/fh8620/platform/fh8620/iot_cam/startup.c b/bsp/fh8620/platform/fh8620/iot_cam/startup.c
index 52c4775da5..6f5cd6defa 100644
--- a/bsp/fh8620/platform/fh8620/iot_cam/startup.c
+++ b/bsp/fh8620/platform/fh8620/iot_cam/startup.c
@@ -93,12 +93,6 @@ void rtthread_startup(void)
 	/* show version */
 	rt_show_version();
 
-	/* initialize tick */
-	rt_system_tick_init();
-
-	/* initialize kernel object */
-	rt_system_object_init();
-
 	/* initialize timer system */
 	rt_system_timer_init();
 
diff --git a/bsp/frdm-k64f/applications/startup.c b/bsp/frdm-k64f/applications/startup.c
index 3627cb993b..d16aefddb2 100644
--- a/bsp/frdm-k64f/applications/startup.c
+++ b/bsp/frdm-k64f/applications/startup.c
@@ -65,12 +65,6 @@ void rtthread_startup(void)
     /* show version */
     rt_show_version();
 
-    /* init tick */
-    rt_system_tick_init();
-
-    /* init kernel object */
-    rt_system_object_init();
-
     /* init timer system */
     rt_system_timer_init();
 
diff --git a/bsp/gkipc/armv6/rtos_lib.c b/bsp/gkipc/armv6/rtos_lib.c
index 7d7aec5c51..c4b4285fbe 100644
--- a/bsp/gkipc/armv6/rtos_lib.c
+++ b/bsp/gkipc/armv6/rtos_lib.c
@@ -1095,14 +1095,9 @@ U32 RTOS_InitKernel(U32 Heap_size)
     /* show version */
     //rt_show_version();
 
-    /* initialize tick */
-    //rt_system_tick_init();
     RTOS_HwTickInit();
     //rt_kprintf("set tick\n");
 
-    /* initialize kernel object */
-    rt_system_object_init();
-
     /* initialize timer system */
     rt_system_timer_init();
 
diff --git a/bsp/lm3s8962/applications/startup.c b/bsp/lm3s8962/applications/startup.c
index d598ee8fc7..e78cfa7eca 100644
--- a/bsp/lm3s8962/applications/startup.c
+++ b/bsp/lm3s8962/applications/startup.c
@@ -77,12 +77,6 @@ void rtthread_startup(void)
 	/* show version */
 	rt_show_version();
 
-	/* init tick */
-	rt_system_tick_init();
-
-	/* init kernel object */
-	rt_system_object_init();
-
 	/* init timer system */
 	rt_system_timer_init();
 
diff --git a/bsp/lm3s9b9x/applications/startup.c b/bsp/lm3s9b9x/applications/startup.c
index 2e8ad05d7b..4d374824e7 100644
--- a/bsp/lm3s9b9x/applications/startup.c
+++ b/bsp/lm3s9b9x/applications/startup.c
@@ -77,12 +77,6 @@ void rtthread_startup(void)
 	/* show version */
 	rt_show_version();
 
-	/* init tick */
-	rt_system_tick_init();
-
-	/* init kernel object */
-	rt_system_object_init();
-
 	/* init timer system */
 	rt_system_timer_init();
 
diff --git a/bsp/lm4f232/applications/startup.c b/bsp/lm4f232/applications/startup.c
index e1f3b6efd1..8d9eb54611 100644
--- a/bsp/lm4f232/applications/startup.c
+++ b/bsp/lm4f232/applications/startup.c
@@ -77,12 +77,6 @@ void rtthread_startup(void)
 	/* show version */
 	rt_show_version();
 
-	/* init tick */
-	rt_system_tick_init();
-
-	/* init kernel object */
-	rt_system_object_init();
-
 	/* init timer system */
 	rt_system_timer_init();
 
diff --git a/bsp/lpc2148/applications/startup.c b/bsp/lpc2148/applications/startup.c
index 5b699a8613..cc16a5c12b 100644
--- a/bsp/lpc2148/applications/startup.c
+++ b/bsp/lpc2148/applications/startup.c
@@ -52,12 +52,6 @@ void rtthread_startup(void)
     /* init board */
     rt_hw_board_init();
 
-    /* init tick */
-    rt_system_tick_init();
-
-    /* init kernel object */
-    rt_system_object_init();
-
     rt_show_version();
 
     /* init timer system */
diff --git a/bsp/lpc2478/applications/startup.c b/bsp/lpc2478/applications/startup.c
index 270312f7ae..0b961e4f94 100644
--- a/bsp/lpc2478/applications/startup.c
+++ b/bsp/lpc2478/applications/startup.c
@@ -38,12 +38,6 @@ void rtthread_startup(void)
     /* init board */
     rt_hw_board_init();
 
-    /* init tick */
-    rt_system_tick_init();
-
-    /* init kernel object */
-    rt_system_object_init();
-
     rt_show_version();
 
     /* init timer system */
diff --git a/bsp/lpc5410x/applications/startup.c b/bsp/lpc5410x/applications/startup.c
index 6589dc6b46..6f4ab94e82 100644
--- a/bsp/lpc5410x/applications/startup.c
+++ b/bsp/lpc5410x/applications/startup.c
@@ -27,12 +27,6 @@ void rtthread_startup(void)
     /* show version */
     rt_show_version();
 
-    /* initialize tick */
-    rt_system_tick_init();
-
-    /* initialize kernel object */
-    rt_system_object_init();
-
     /* initialize timer system */
     rt_system_timer_init();
 
diff --git a/bsp/lpc824/applications/startup.c b/bsp/lpc824/applications/startup.c
index 5e95382ba0..e165242f86 100644
--- a/bsp/lpc824/applications/startup.c
+++ b/bsp/lpc824/applications/startup.c
@@ -52,12 +52,6 @@ void rtthread_startup(void)
     /* show version */
     rt_show_version();
 
-    /* init tick */
-    rt_system_tick_init();
-
-    /* init kernel object */
-    rt_system_object_init();
-
     /* init timer system */
     rt_system_timer_init();
 
diff --git a/bsp/m16c62p/applications/startup.c b/bsp/m16c62p/applications/startup.c
index 95b9484c1f..1802ecadee 100644
--- a/bsp/m16c62p/applications/startup.c
+++ b/bsp/m16c62p/applications/startup.c
@@ -48,13 +48,7 @@ void rtthread_startup(void)
 
 	/* show version */
 	rt_show_version();
-
-	/* init tick */
-	rt_system_tick_init();
-    
-	/* init kernel object */
-	rt_system_object_init();
-    
+        
 	/* init timer system */
 	rt_system_timer_init();
     
diff --git a/bsp/mb9bf500r/startup.c b/bsp/mb9bf500r/startup.c
index dc65496ba6..bc96eb5dca 100644
--- a/bsp/mb9bf500r/startup.c
+++ b/bsp/mb9bf500r/startup.c
@@ -44,12 +44,6 @@ void rtthread_startup(void)
 	/* show version */
 	rt_show_version();
 
-	/* init tick */
-	rt_system_tick_init();
-
-	/* init kernel object */
-	rt_system_object_init();
-
 	/* init timer system */
 	rt_system_timer_init();
 
diff --git a/bsp/microblaze/startup.c b/bsp/microblaze/startup.c
index b9dc03e588..c900973bb7 100755
--- a/bsp/microblaze/startup.c
+++ b/bsp/microblaze/startup.c
@@ -55,12 +55,6 @@ void rtthread_startup(void)
 	
 	rt_show_version();
 
-	/* init tick */
-	rt_system_tick_init();
-
-	/* init kernel object */
-	rt_system_object_init();
-
 	/* init timer system */
 	rt_system_timer_init();
 
diff --git a/bsp/mini4020/applications/startup.c b/bsp/mini4020/applications/startup.c
index 575bd6f306..ae84f8b461 100644
--- a/bsp/mini4020/applications/startup.c
+++ b/bsp/mini4020/applications/startup.c
@@ -49,12 +49,6 @@ void rtthread_startup()
 	/* show version */
 	rt_show_version();
 		
-	/* init tick */
-	rt_system_tick_init();
-
-	/* init kernel object */
-	rt_system_object_init();
-
 	/* init timer system */
 	rt_system_timer_init();
 
diff --git a/bsp/nios_ii/startup.c b/bsp/nios_ii/startup.c
index 8f2512630d..e2bbaaa996 100644
--- a/bsp/nios_ii/startup.c
+++ b/bsp/nios_ii/startup.c
@@ -45,12 +45,6 @@ void rtthread_startup(void)
     /* show version */
     rt_show_version();
 
-    /* init tick */
-    rt_system_tick_init();
-
-    /* init kernel object */
-    rt_system_object_init();
-
     /* init timer system */
     rt_system_timer_init();
 
diff --git a/bsp/nrf51822/applications/startup.c b/bsp/nrf51822/applications/startup.c
index 660105ee48..1e7729fc83 100644
--- a/bsp/nrf51822/applications/startup.c
+++ b/bsp/nrf51822/applications/startup.c
@@ -48,12 +48,6 @@ void rtthread_startup(void)
     /* show version */
     rt_show_version();
 
-    /* init tick */
-    rt_system_tick_init();
-
-    /* init kernel object */
-    rt_system_object_init();
-
     /* init timer system */
     rt_system_timer_init();
 
diff --git a/bsp/nrf52832/applications/startup.c b/bsp/nrf52832/applications/startup.c
index a48524814c..78a5ef7f65 100644
--- a/bsp/nrf52832/applications/startup.c
+++ b/bsp/nrf52832/applications/startup.c
@@ -48,12 +48,6 @@ void rtthread_startup(void)
     /* show version */
     rt_show_version();
 
-    /* init tick */
-    rt_system_tick_init();
-
-    /* init kernel object */
-    rt_system_object_init();
-
     /* init timer system */
     rt_system_timer_init();
 
diff --git a/bsp/nrf5x/libraries/templates/nrf52x/applications/startup.c b/bsp/nrf5x/libraries/templates/nrf52x/applications/startup.c
index a48524814c..78a5ef7f65 100644
--- a/bsp/nrf5x/libraries/templates/nrf52x/applications/startup.c
+++ b/bsp/nrf5x/libraries/templates/nrf52x/applications/startup.c
@@ -48,12 +48,6 @@ void rtthread_startup(void)
     /* show version */
     rt_show_version();
 
-    /* init tick */
-    rt_system_tick_init();
-
-    /* init kernel object */
-    rt_system_object_init();
-
     /* init timer system */
     rt_system_timer_init();
 
diff --git a/bsp/pic32ethernet/startup.c b/bsp/pic32ethernet/startup.c
index b841da98f3..e139dfefca 100644
--- a/bsp/pic32ethernet/startup.c
+++ b/bsp/pic32ethernet/startup.c
@@ -35,12 +35,6 @@ void rtthread_startup(void)
 	/* show version */
 	rt_show_version();
 
-	/* init tick */
-	rt_system_tick_init();
-
-	/* init kernel object */
-	rt_system_object_init();
-
 	/* init timer system */
 	rt_system_timer_init();
 
diff --git a/bsp/rm48x50/application/startup.c b/bsp/rm48x50/application/startup.c
index 31c2f92fa9..40b69e2c95 100644
--- a/bsp/rm48x50/application/startup.c
+++ b/bsp/rm48x50/application/startup.c
@@ -81,12 +81,6 @@ void rtthread_startup(void)
 	/* init board */
 	rt_hw_board_init();
 
-	/* init tick */
-	rt_system_tick_init();
-
-	/* init kernel object */
-	rt_system_object_init();
-
 	rt_show_version();
 
 	/* init timer system */
diff --git a/bsp/sam7x/applications/startup.c b/bsp/sam7x/applications/startup.c
index ddf194b1d1..d167d9ebcb 100644
--- a/bsp/sam7x/applications/startup.c
+++ b/bsp/sam7x/applications/startup.c
@@ -82,12 +82,6 @@ void rtthread_startup(void)
 
 	rt_show_version();
 
-	/* init tick */
-	rt_system_tick_init();
-
-	/* init kernel object */
-	rt_system_object_init();
-
 	/* init timer system */
 	rt_system_timer_init();
 
diff --git a/bsp/samd21/applications/startup.c b/bsp/samd21/applications/startup.c
index aaa75d3f1c..ecbe617d2e 100644
--- a/bsp/samd21/applications/startup.c
+++ b/bsp/samd21/applications/startup.c
@@ -68,12 +68,6 @@ void rtthread_startup(void)
     /* show version */
     rt_show_version();
 
-    /* init tick */
-    rt_system_tick_init();
-
-    /* init kernel object */
-    rt_system_object_init();
-
     /* init timer system */
     rt_system_timer_init();
 
diff --git a/bsp/sep6200/application/startup.c b/bsp/sep6200/application/startup.c
index fc12985ce1..e714675699 100644
--- a/bsp/sep6200/application/startup.c
+++ b/bsp/sep6200/application/startup.c
@@ -63,12 +63,6 @@ void rtthread_startup()
 	/* show version */
 	rt_show_version();
 
-	/* init tick */
-	rt_system_tick_init();
-
-	/* init kernel object */
-	rt_system_object_init();
-
 	/* init timer system */
 	rt_system_timer_init();
 
diff --git a/bsp/simulator/applications/startup.c b/bsp/simulator/applications/startup.c
index cc2144d64f..900d774844 100644
--- a/bsp/simulator/applications/startup.c
+++ b/bsp/simulator/applications/startup.c
@@ -47,12 +47,6 @@ void rtthread_startup(void)
     /* show version */
     rt_show_version();
 
-    /* init tick */
-    rt_system_tick_init();
-
-    /* init kernel object */
-    rt_system_object_init();
-
     /* init timer system */
     rt_system_timer_init();
 
diff --git a/bsp/stm32f20x/applications/startup.c b/bsp/stm32f20x/applications/startup.c
index 77f915cbbd..92be9bd2ce 100644
--- a/bsp/stm32f20x/applications/startup.c
+++ b/bsp/stm32f20x/applications/startup.c
@@ -61,12 +61,6 @@ void rtthread_startup(void)
 	/* show version */
 	rt_show_version();
 
-	/* init tick */
-	rt_system_tick_init();
-
-	/* init kernel object */
-	rt_system_object_init();
-
 	/* init timer system */
 	rt_system_timer_init();
 
diff --git a/bsp/taihu/applications/startup.c b/bsp/taihu/applications/startup.c
index f52a185495..9f7d9415b5 100644
--- a/bsp/taihu/applications/startup.c
+++ b/bsp/taihu/applications/startup.c
@@ -40,9 +40,6 @@ void rtthread_startup(void)
 	rt_hw_board_init();
 	rt_show_version();
 
-	/* init tick */
-	rt_system_tick_init();
-
 	/* init timer system */
 	rt_system_timer_init();
 
diff --git a/bsp/tms320f28379d/applications/startup.c b/bsp/tms320f28379d/applications/startup.c
index 301e63a00a..da5c31e237 100644
--- a/bsp/tms320f28379d/applications/startup.c
+++ b/bsp/tms320f28379d/applications/startup.c
@@ -50,12 +50,6 @@ void rtthread_startup(void)
     /* show version */
     rt_show_version();
 
-    /* init tick */
-    rt_system_tick_init();
-
-    /* init kernel object */
-    rt_system_object_init();
-
     /* init timer system */
     rt_system_timer_init();
 
diff --git a/bsp/upd70f3454/applications/startup.c b/bsp/upd70f3454/applications/startup.c
index d25ca73f28..409b3cc615 100644
--- a/bsp/upd70f3454/applications/startup.c
+++ b/bsp/upd70f3454/applications/startup.c
@@ -49,13 +49,7 @@ void rtthread_startup(void)
 
     /* show version */
     rt_show_version();
-
-    /* init tick */
-    rt_system_tick_init();
-    
-    /* init kernel object */
-    rt_system_object_init();
-    
+        
     /* init timer system */
     rt_system_timer_init();
 
diff --git a/bsp/wh44b0/startup.c b/bsp/wh44b0/startup.c
index 4ea7a4f03d..5e62200a19 100644
--- a/bsp/wh44b0/startup.c
+++ b/bsp/wh44b0/startup.c
@@ -58,12 +58,6 @@ void rtthread_startup(void)
 
 	rt_show_version();
 
-	/* init tick */
-	rt_system_tick_init();
-
-	/* init kernel object */
-	rt_system_object_init();
-
 	/* init timer system */
 	rt_system_timer_init();
 
diff --git a/bsp/x86/applications/startup.c b/bsp/x86/applications/startup.c
index 72a4eb0a96..475273267f 100644
--- a/bsp/x86/applications/startup.c
+++ b/bsp/x86/applications/startup.c
@@ -69,12 +69,6 @@ void rtthread_startup(void)
 
     rt_show_version();
 
-    /* init tick */
-    rt_system_tick_init();
-
-    /* init kernel object */
-    rt_system_object_init();
-
     /* init timer system */
     rt_system_timer_init();
 
diff --git a/documentation/doxygen/systeminit.h b/documentation/doxygen/systeminit.h
index d62aca59bb..c45eda4079 100644
--- a/documentation/doxygen/systeminit.h
+++ b/documentation/doxygen/systeminit.h
@@ -21,12 +21,6 @@
  * - show version
  * rt_show_version();
  *
- * - initialize system tick
- * rt_system_tick_init();
- *
- * - initialize kernel object [deprecated]
- * rt_system_object_init();
- *
  * - initialize timer system
  * rt_system_timer_init();
  *
diff --git a/include/rtthread.h b/include/rtthread.h
index a76601a3bf..27cfea19e0 100644
--- a/include/rtthread.h
+++ b/include/rtthread.h
@@ -38,7 +38,6 @@ extern "C" {
 /*
  * kernel object interface
  */
-void rt_system_object_init(void);
 struct rt_object_information *
 rt_object_get_information(enum rt_object_class_type type);
 int rt_object_get_length(enum rt_object_class_type type);
@@ -74,7 +73,6 @@ void rt_object_put_sethook(void (*hook)(struct rt_object *object));
 /*
  * clock & timer interface
  */
-void rt_system_tick_init(void);
 rt_tick_t rt_tick_get(void);
 void rt_tick_set(rt_tick_t tick);
 void rt_tick_increase(void);
diff --git a/src/clock.c b/src/clock.c
index a91cd829b6..9fd276cf6f 100644
--- a/src/clock.c
+++ b/src/clock.c
@@ -24,17 +24,6 @@
 static rt_tick_t rt_tick = 0;
 #endif
 
-/**
- * This function will initialize system tick and set it to zero.
- * @ingroup SystemInit
- *
- * @deprecated since 1.1.0, this function does not need to be invoked
- * in the system initialization.
- */
-void rt_system_tick_init(void)
-{
-}
-
 /**
  * @addtogroup Clock
  */
diff --git a/src/object.c b/src/object.c
index 6866d805ca..fbd3879f67 100644
--- a/src/object.c
+++ b/src/object.c
@@ -191,18 +191,6 @@ void rt_object_put_sethook(void (*hook)(struct rt_object *object))
 /**@}*/
 #endif
 
-/**
- * @ingroup SystemInit
- *
- * This function will initialize system object management.
- *
- * @deprecated since 0.3.0, this function does not need to be invoked
- * in the system initialization.
- */
-void rt_system_object_init(void)
-{
-}
-
 /**
  * @addtogroup KernelObject
  */