diff --git a/osu.Game.Rulesets.Osu/UI/ObjectOrderedHitPolicy.cs b/osu.Game.Rulesets.Osu/UI/ObjectOrderedHitPolicy.cs
index 07942954e1..172e5a39d8 100644
--- a/osu.Game.Rulesets.Osu/UI/ObjectOrderedHitPolicy.cs
+++ b/osu.Game.Rulesets.Osu/UI/ObjectOrderedHitPolicy.cs
@@ -4,6 +4,7 @@
 #nullable disable
 
 using System;
+using System.Linq;
 using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Drawables;
 using osu.Game.Rulesets.Osu.Objects.Drawables;
@@ -27,16 +28,17 @@ namespace osu.Game.Rulesets.Osu.UI
 
         public ClickAction CheckHittable(DrawableHitObject hitObject, double time)
         {
-            int index = HitObjectContainer.AliveObjects.IndexOf(hitObject);
+            var aliveObjects = HitObjectContainer.AliveObjects.ToList();
+            int index = aliveObjects.IndexOf(hitObject);
 
             if (index > 0)
             {
-                var previousHitObject = (DrawableOsuHitObject)HitObjectContainer.AliveObjects[index - 1];
+                var previousHitObject = (DrawableOsuHitObject)aliveObjects[index - 1];
                 if (previousHitObject.HitObject.StackHeight > 0 && !previousHitObject.AllJudged)
                     return ClickAction.Ignore;
             }
 
-            foreach (DrawableHitObject testObject in HitObjectContainer.AliveObjects)
+            foreach (DrawableHitObject testObject in aliveObjects)
             {
                 if (testObject.AllJudged)
                     continue;
diff --git a/osu.Game/Rulesets/UI/HitObjectContainer.cs b/osu.Game/Rulesets/UI/HitObjectContainer.cs
index 454a83bcda..099be486b3 100644
--- a/osu.Game/Rulesets/UI/HitObjectContainer.cs
+++ b/osu.Game/Rulesets/UI/HitObjectContainer.cs
@@ -21,7 +21,7 @@ namespace osu.Game.Rulesets.UI
     {
         public IEnumerable<DrawableHitObject> Objects => InternalChildren.Cast<DrawableHitObject>().OrderBy(h => h.HitObject.StartTime);
 
-        public IList<DrawableHitObject> AliveObjects => AliveEntries.Select(pair => pair.Drawable).OrderBy(h => h.HitObject.StartTime).ToList();
+        public IEnumerable<DrawableHitObject> AliveObjects => AliveEntries.Select(pair => pair.Drawable).OrderBy(h => h.HitObject.StartTime);
 
         /// <summary>
         /// Invoked when a <see cref="DrawableHitObject"/> is judged.
diff --git a/osu.Game/Rulesets/UI/IHitObjectContainer.cs b/osu.Game/Rulesets/UI/IHitObjectContainer.cs
index bb4806206d..6dcb0944be 100644
--- a/osu.Game/Rulesets/UI/IHitObjectContainer.cs
+++ b/osu.Game/Rulesets/UI/IHitObjectContainer.cs
@@ -19,6 +19,6 @@ namespace osu.Game.Rulesets.UI
         /// <remarks>
         /// If this <see cref="IHitObjectContainer"/> uses pooled objects, this is equivalent to <see cref="Objects"/>.
         /// </remarks>
-        IList<DrawableHitObject> AliveObjects { get; }
+        IEnumerable<DrawableHitObject> AliveObjects { get; }
     }
 }