diff --git a/osu.Game/Beatmaps/BeatmapInfo.cs b/osu.Game/Beatmaps/BeatmapInfo.cs
index 078a34e50d..b9dd59cfe4 100644
--- a/osu.Game/Beatmaps/BeatmapInfo.cs
+++ b/osu.Game/Beatmaps/BeatmapInfo.cs
@@ -185,7 +185,7 @@ namespace osu.Game.Beatmaps
 
         public int BeatmapVersion;
 
-        public BeatmapInfo Clone() => (BeatmapInfo)MemberwiseClone();
+        public BeatmapInfo Clone() => (BeatmapInfo)this.Detach().MemberwiseClone();
 
         public override string ToString() => this.GetDisplayTitle();
 
diff --git a/osu.Game/Scoring/ScoreInfo.cs b/osu.Game/Scoring/ScoreInfo.cs
index 9b4f4bf784..b168726283 100644
--- a/osu.Game/Scoring/ScoreInfo.cs
+++ b/osu.Game/Scoring/ScoreInfo.cs
@@ -131,7 +131,7 @@ namespace osu.Game.Scoring
 
         public ScoreInfo DeepClone()
         {
-            var clone = (ScoreInfo)MemberwiseClone();
+            var clone = (ScoreInfo)this.Detach().MemberwiseClone();
 
             clone.Statistics = new Dictionary<HitResult, int>(clone.Statistics);