From f315994eb9fc82b07756c10370425587a057983f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=91=A8=E5=AD=90=E5=8D=9A?= <349832309@qq.com>
Date: Fri, 30 Nov 2018 14:24:29 +0800
Subject: [PATCH] Remove unnecessary spec

---
 src/emqx_metrics.erl | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/emqx_metrics.erl b/src/emqx_metrics.erl
index ef2be7e10..2d8ac9591 100644
--- a/src/emqx_metrics.erl
+++ b/src/emqx_metrics.erl
@@ -170,7 +170,6 @@ trans(inc, Type, Metric, Val) ->
 trans(dec, gauge, Metric, Val) ->
     hold(gauge, Metric, -Val).
 
-% -spec(hold(counter | gauge, atom(), integer()) -> integer()).
 hold(Type, Metric, Val) when Type =:= counter orelse Type =:= gauge ->
     NewMetrics = case get(metrics) of
                      undefined ->