From dba2b47d45d8b46a960110d1d7d0549d40d17abb Mon Sep 17 00:00:00 2001
From: armink <armink.ztl@gmail.com>
Date: Thu, 14 Mar 2019 20:37:30 +0800
Subject: Sync from master (fc5cfe0a5e5709878f50b904df7c3355078941dd)

---
 src/clock.c | 2 --
 1 file changed, 2 deletions(-)

(limited to 'src/clock.c')

diff --git a/src/clock.c b/src/clock.c
index 651465e0a8..36ff398376 100644
--- a/src/clock.c
+++ b/src/clock.c
@@ -19,8 +19,6 @@
 
 static rt_tick_t rt_tick = 0;
 
-extern void rt_timer_check(void);
-
 /**
  * This function will init system tick and set it to zero.
  * @ingroup SystemInit
-- 
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