From 74ca2faa31805e8a2aeac5def1170ab7945957d5 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Fri, 6 Nov 2020 13:48:06 +0900
Subject: [PATCH] Remove unused using

---
 osu.Game/Beatmaps/BeatmapDifficultyCache.cs | 1 -
 1 file changed, 1 deletion(-)

diff --git a/osu.Game/Beatmaps/BeatmapDifficultyCache.cs b/osu.Game/Beatmaps/BeatmapDifficultyCache.cs
index 3ca0b47121..be278622b5 100644
--- a/osu.Game/Beatmaps/BeatmapDifficultyCache.cs
+++ b/osu.Game/Beatmaps/BeatmapDifficultyCache.cs
@@ -2,7 +2,6 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
-using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;