3 files changed, 3 insertions, 36 deletions
diff --git a/src/kservice.c b/src/kservice.c
index 423fe3ddb3..9fc3971c7e 100644
--- a/src/kservice.c
+++ b/src/kservice.c
@@ -1386,26 +1386,4 @@ void rt_assert_handler(const char *ex_string, const char *func, rt_size_t line)
 RTM_EXPORT(rt_assert_handler);
 #endif /* RT_DEBUG */
 
-#if !defined (RT_USING_NEWLIB) && defined (RT_USING_MINILIBC) && defined (__GNUC__)
-#include <sys/types.h>
-void *memcpy(void *dest, const void *src, size_t n) __attribute__((weak, alias("rt_memcpy")));
-void *memset(void *s, int c, size_t n) __attribute__((weak, alias("rt_memset")));
-void *memmove(void *dest, const void *src, size_t n) __attribute__((weak, alias("rt_memmove")));
-int   memcmp(const void *s1, const void *s2, size_t n) __attribute__((weak, alias("rt_memcmp")));
-
-size_t strlen(const char *s) __attribute__((weak, alias("rt_strlen")));
-char *strstr(const char *s1, const char *s2) __attribute__((weak, alias("rt_strstr")));
-int strcasecmp(const char *a, const char *b) __attribute__((weak, alias("rt_strcasecmp")));
-char *strncpy(char *dest, const char *src, size_t n) __attribute__((weak, alias("rt_strncpy")));
-int strncmp(const char *cs, const char *ct, size_t count) __attribute__((weak, alias("rt_strncmp")));
-#ifdef RT_USING_HEAP
-char *strdup(const char *s) __attribute__((weak, alias("rt_strdup")));
-#endif
-
-int sprintf(char *buf, const char *format, ...) __attribute__((weak, alias("rt_sprintf")));
-int snprintf(char *buf, rt_size_t size, const char *fmt, ...) __attribute__((weak, alias("rt_snprintf")));
-int vsprintf(char *buf, const char *format, va_list arg_ptr) __attribute__((weak, alias("rt_vsprintf")));
-
-#endif
-
 /**@}*/
diff --git a/src/thread.c b/src/thread.c
index 2681eca59f..18b5227f5a 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -382,19 +382,8 @@ rt_err_t rt_thread_detach(rt_thread_t thread)
     /* change stat */
     thread->stat = RT_THREAD_CLOSE;
 
-    if (rt_object_is_systemobject((rt_object_t)thread) == RT_TRUE)
-    {
-        rt_object_detach((rt_object_t)thread);
-    }
-    else
-    {
-        /* disable interrupt */
-        lock = rt_hw_interrupt_disable();
-        /* insert to defunct thread list */
-        rt_list_insert_after(&rt_thread_defunct, &(thread->tlist));
-        /* enable interrupt */
-        rt_hw_interrupt_enable(lock);
-    }
+    /* detach thread object */
+    rt_object_detach((rt_object_t)thread);
 
     return RT_EOK;
 }
diff --git a/src/timer.c b/src/timer.c
index d882711151..747c28c8bd 100644
--- a/src/timer.c
+++ b/src/timer.c
@@ -233,7 +233,7 @@ rt_err_t rt_timer_detach(rt_timer_t timer)
     /* enable interrupt */
     rt_hw_interrupt_enable(level);
 
-    rt_object_detach((rt_object_t)timer);
+    rt_object_detach(&(timer->parent));
 
     return RT_EOK;
 }