From 82cda4b57a4a023a0c3fea96d4990ce086b9cb3a Mon Sep 17 00:00:00 2001
From: PredaaA <46051820+PredaaA@users.noreply.github.com>
Date: Wed, 3 Apr 2019 05:06:30 +0200
Subject: [PATCH] Delete cooldown messages when expired (#2469)

---
 redbot/core/events.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/redbot/core/events.py b/redbot/core/events.py
index f641c6d54..855a68d6e 100644
--- a/redbot/core/events.py
+++ b/redbot/core/events.py
@@ -236,7 +236,8 @@ def init_events(bot, cli_flags):
             await ctx.send(
                 "This command is on cooldown. Try again in {}.".format(
                     humanize_timedelta(seconds=error.retry_after)
-                )
+                ),
+                delete_after=error.retry_after,
             )
         else:
             log.exception(type(error).__name__, exc_info=error)