From c1c3d377209b97492955cc1682ce3c60cfcede48 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Fri, 6 Nov 2020 17:24:28 +0900
Subject: [PATCH] Remove non-null assert

---
 osu.Game/Beatmaps/BeatmapDifficultyCache.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/osu.Game/Beatmaps/BeatmapDifficultyCache.cs b/osu.Game/Beatmaps/BeatmapDifficultyCache.cs
index e62b2b1ff1..9820d508dd 100644
--- a/osu.Game/Beatmaps/BeatmapDifficultyCache.cs
+++ b/osu.Game/Beatmaps/BeatmapDifficultyCache.cs
@@ -270,7 +270,7 @@ namespace osu.Game.Beatmaps
 
             public readonly Mod[] OrderedMods;
 
-            public DifficultyCacheLookup([NotNull] BeatmapInfo beatmap, [NotNull] RulesetInfo ruleset, IEnumerable<Mod> mods)
+            public DifficultyCacheLookup([NotNull] BeatmapInfo beatmap, [CanBeNull] RulesetInfo ruleset, IEnumerable<Mod> mods)
             {
                 Beatmap = beatmap;
                 // In the case that the user hasn't given us a ruleset, use the beatmap's default ruleset.