diff --git a/user/user_main.c b/user/user_main.c
index 76ce21c..aebe2d9 100644
--- a/user/user_main.c
+++ b/user/user_main.c
@@ -37,8 +37,6 @@ static void ICACHE_FLASH_ATTR prSecondTimerCb(void *arg)
 	static u8 cnt = 0;
 	static u32 last = 0;
 
-	static u8 cnt2 = 0;
-
 	if (++cnt == 3) {
 		cnt = 0;
 		u32 heap = system_get_free_heap_size();