diff --git a/osu.Game/Beatmaps/BeatmapDifficultyCache.cs b/osu.Game/Beatmaps/BeatmapDifficultyCache.cs
index be278622b5..af1b1de0c1 100644
--- a/osu.Game/Beatmaps/BeatmapDifficultyCache.cs
+++ b/osu.Game/Beatmaps/BeatmapDifficultyCache.cs
@@ -16,7 +16,6 @@ using osu.Framework.Threading;
 using osu.Framework.Utils;
 using osu.Game.Database;
 using osu.Game.Rulesets;
-using osu.Game.Rulesets.Difficulty;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.UI;
 
@@ -344,49 +343,4 @@ namespace osu.Game.Beatmaps
             }
         }
     }
-
-    public readonly struct StarDifficulty
-    {
-        /// <summary>
-        /// The star difficulty rating for the given beatmap.
-        /// </summary>
-        public readonly double Stars;
-
-        /// <summary>
-        /// The maximum combo achievable on the given beatmap.
-        /// </summary>
-        public readonly int MaxCombo;
-
-        /// <summary>
-        /// The difficulty attributes computed for the given beatmap.
-        /// Might not be available if the star difficulty is associated with a beatmap that's not locally available.
-        /// </summary>
-        [CanBeNull]
-        public readonly DifficultyAttributes Attributes;
-
-        /// <summary>
-        /// Creates a <see cref="StarDifficulty"/> structure based on <see cref="DifficultyAttributes"/> computed
-        /// by a <see cref="DifficultyCalculator"/>.
-        /// </summary>
-        public StarDifficulty([NotNull] DifficultyAttributes attributes)
-        {
-            Stars = attributes.StarRating;
-            MaxCombo = attributes.MaxCombo;
-            Attributes = attributes;
-            // Todo: Add more members (BeatmapInfo.DifficultyRating? Attributes? Etc...)
-        }
-
-        /// <summary>
-        /// Creates a <see cref="StarDifficulty"/> structure with a pre-populated star difficulty and max combo
-        /// in scenarios where computing <see cref="DifficultyAttributes"/> is not feasible (i.e. when working with online sources).
-        /// </summary>
-        public StarDifficulty(double starDifficulty, int maxCombo)
-        {
-            Stars = starDifficulty;
-            MaxCombo = maxCombo;
-            Attributes = null;
-        }
-
-        public DifficultyRating DifficultyRating => BeatmapDifficultyCache.GetDifficultyRating(Stars);
-    }
 }
diff --git a/osu.Game/Beatmaps/StarDifficulty.cs b/osu.Game/Beatmaps/StarDifficulty.cs
new file mode 100644
index 0000000000..f438b6f0bc
--- /dev/null
+++ b/osu.Game/Beatmaps/StarDifficulty.cs
@@ -0,0 +1,53 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using JetBrains.Annotations;
+using osu.Game.Rulesets.Difficulty;
+
+namespace osu.Game.Beatmaps
+{
+    public readonly struct StarDifficulty
+    {
+        /// <summary>
+        /// The star difficulty rating for the given beatmap.
+        /// </summary>
+        public readonly double Stars;
+
+        /// <summary>
+        /// The maximum combo achievable on the given beatmap.
+        /// </summary>
+        public readonly int MaxCombo;
+
+        /// <summary>
+        /// The difficulty attributes computed for the given beatmap.
+        /// Might not be available if the star difficulty is associated with a beatmap that's not locally available.
+        /// </summary>
+        [CanBeNull]
+        public readonly DifficultyAttributes Attributes;
+
+        /// <summary>
+        /// Creates a <see cref="StarDifficulty"/> structure based on <see cref="DifficultyAttributes"/> computed
+        /// by a <see cref="DifficultyCalculator"/>.
+        /// </summary>
+        public StarDifficulty([NotNull] DifficultyAttributes attributes)
+        {
+            Stars = attributes.StarRating;
+            MaxCombo = attributes.MaxCombo;
+            Attributes = attributes;
+            // Todo: Add more members (BeatmapInfo.DifficultyRating? Attributes? Etc...)
+        }
+
+        /// <summary>
+        /// Creates a <see cref="StarDifficulty"/> structure with a pre-populated star difficulty and max combo
+        /// in scenarios where computing <see cref="DifficultyAttributes"/> is not feasible (i.e. when working with online sources).
+        /// </summary>
+        public StarDifficulty(double starDifficulty, int maxCombo)
+        {
+            Stars = starDifficulty;
+            MaxCombo = maxCombo;
+            Attributes = null;
+        }
+
+        public DifficultyRating DifficultyRating => BeatmapDifficultyCache.GetDifficultyRating(Stars);
+    }
+}