From 9b330200f8e180ca393cac25f811f6194990aaa4 Mon Sep 17 00:00:00 2001
From: Kenichi Kamiya <kachick1@gmail.com>
Date: Mon, 19 Aug 2019 18:16:45 +0900
Subject: Remove unused variable to suppress warning (#2388) [ci skip]

```
sample/observ.rb:30: warning: assigned but unused variable - clock
```
---
 sample/observ.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sample/observ.rb b/sample/observ.rb
index a7ea45271d..ef4a9f60f5 100644
--- a/sample/observ.rb
+++ b/sample/observ.rb
@@ -27,5 +27,5 @@ class Clock
   end
 end
 
-clock = Clock.new(Tick.new)
+Clock.new(Tick.new)
 sleep
-- 
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