diff --git a/app/models/fluentd/agent/td_agent/unix.rb b/app/models/fluentd/agent/td_agent/unix.rb
index 09f6353..001fafd 100644
--- a/app/models/fluentd/agent/td_agent/unix.rb
+++ b/app/models/fluentd/agent/td_agent/unix.rb
@@ -13,8 +13,6 @@ class Fluentd
         end
 
         def restart
-          # NOTE: td-agent has no reload command
-          # https://github.com/treasure-data/td-agent/blob/master/debian/td-agent.init#L156
           detached_command('/etc/init.d/td-agent restart')
         end
       end