diff --git a/osu.Game/Rulesets/UI/HitObjectContainer.cs b/osu.Game/Rulesets/UI/HitObjectContainer.cs
index 3a5e0b64ed..a0c95898be 100644
--- a/osu.Game/Rulesets/UI/HitObjectContainer.cs
+++ b/osu.Game/Rulesets/UI/HitObjectContainer.cs
@@ -41,32 +41,6 @@ public class HitObjectContainer : LifetimeManagementContainer
         /// </summary>
         public event Action<DrawableHitObject, JudgementResult> RevertResult;
 
-        /// <summary>
-        /// Invoked when a <see cref="HitObject"/> becomes used by a <see cref="DrawableHitObject"/>.
-        /// </summary>
-        /// <remarks>
-        /// If this <see cref="HitObjectContainer"/> uses pooled objects, this represents the time when the <see cref="HitObject"/>s become alive.
-        /// </remarks>
-        public event Action<HitObject> HitObjectUsageBegan;
-
-        /// <summary>
-        /// Invoked when a <see cref="HitObject"/> becomes unused by a <see cref="DrawableHitObject"/>.
-        /// </summary>
-        /// <remarks>
-        /// If this <see cref="HitObjectContainer"/> uses pooled objects, this represents the time when the <see cref="HitObject"/>s become dead.
-        /// </remarks>
-        public event Action<HitObject> HitObjectUsageFinished;
-
-        /// <summary>
-        /// The amount of time prior to the current time within which <see cref="HitObject"/>s should be considered alive.
-        /// </summary>
-        public double PastLifetimeExtension { get; set; }
-
-        /// <summary>
-        /// The amount of time after the current time within which <see cref="HitObject"/>s should be considered alive.
-        /// </summary>
-        public double FutureLifetimeExtension { get; set; }
-
         private readonly Dictionary<DrawableHitObject, IBindable> startTimeMap = new Dictionary<DrawableHitObject, IBindable>();
         private readonly Dictionary<HitObjectLifetimeEntry, DrawableHitObject> drawableMap = new Dictionary<HitObjectLifetimeEntry, DrawableHitObject>();
         private readonly LifetimeEntryManager lifetimeManager = new LifetimeEntryManager();
@@ -102,8 +76,6 @@ private void addDrawable(HitObjectLifetimeEntry entry)
 
             bindStartTime(drawable);
             AddInternal(drawableMap[entry] = drawable, false);
-
-            HitObjectUsageBegan?.Invoke(entry.HitObject);
         }
 
         private void removeDrawable(HitObjectLifetimeEntry entry)
@@ -119,8 +91,6 @@ private void removeDrawable(HitObjectLifetimeEntry entry)
 
             unbindStartTime(drawable);
             RemoveInternal(drawable);
-
-            HitObjectUsageFinished?.Invoke(entry.HitObject);
         }
 
         #endregion
@@ -173,7 +143,7 @@ public virtual void Clear(bool disposeChildren = true)
             unbindAllStartTimes();
         }
 
-        protected override bool CheckChildrenLife() => base.CheckChildrenLife() | lifetimeManager.Update(Time.Current - PastLifetimeExtension, Time.Current + FutureLifetimeExtension);
+        protected override bool CheckChildrenLife() => base.CheckChildrenLife() | lifetimeManager.Update(Time.Current, Time.Current);
 
         private void onNewResult(DrawableHitObject d, JudgementResult r) => NewResult?.Invoke(d, r);
         private void onRevertResult(DrawableHitObject d, JudgementResult r) => RevertResult?.Invoke(d, r);
diff --git a/osu.Game/Rulesets/UI/Playfield.cs b/osu.Game/Rulesets/UI/Playfield.cs
index 2bd2bb9e06..cdaf9364af 100644
--- a/osu.Game/Rulesets/UI/Playfield.cs
+++ b/osu.Game/Rulesets/UI/Playfield.cs
@@ -29,22 +29,6 @@ public abstract class Playfield : CompositeDrawable
         /// </summary>
         public event Action<DrawableHitObject, JudgementResult> RevertResult;
 
-        /// <summary>
-        /// Invoked when a <see cref="HitObject"/> becomes used by a <see cref="DrawableHitObject"/>.
-        /// </summary>
-        /// <remarks>
-        /// If this <see cref="HitObjectContainer"/> uses pooled objects, this represents the time when the <see cref="HitObject"/>s become alive.
-        /// </remarks>
-        public event Action<HitObject> HitObjectUsageBegan;
-
-        /// <summary>
-        /// Invoked when a <see cref="HitObject"/> becomes unused by a <see cref="DrawableHitObject"/>.
-        /// </summary>
-        /// <remarks>
-        /// If this <see cref="HitObjectContainer"/> uses pooled objects, this represents the time when the <see cref="HitObject"/>s become dead.
-        /// </remarks>
-        public event Action<HitObject> HitObjectUsageFinished;
-
         /// <summary>
         /// The <see cref="DrawableHitObject"/> contained in this Playfield.
         /// </summary>
@@ -104,8 +88,6 @@ protected Playfield()
             {
                 h.NewResult += (d, r) => NewResult?.Invoke(d, r);
                 h.RevertResult += (d, r) => RevertResult?.Invoke(d, r);
-                h.HitObjectUsageBegan += o => HitObjectUsageBegan?.Invoke(o);
-                h.HitObjectUsageFinished += o => HitObjectUsageFinished?.Invoke(o);
             }));
         }
 
@@ -198,41 +180,6 @@ protected virtual void OnHitObjectRemoved(HitObject hitObject)
         {
         }
 
-        /// <summary>
-        /// Sets whether to keep a given <see cref="HitObject"/> always alive within this or any nested <see cref="Playfield"/>.
-        /// </summary>
-        /// <param name="hitObject">The <see cref="HitObject"/> to set.</param>
-        /// <param name="keepAlive">Whether to keep <paramref name="hitObject"/> always alive.</param>
-        public void SetKeepAlive(HitObject hitObject, bool keepAlive)
-        {
-            if (lifetimeEntryMap.TryGetValue(hitObject, out var entry))
-            {
-                entry.KeepAlive = keepAlive;
-                return;
-            }
-
-            if (!nestedPlayfields.IsValueCreated)
-                return;
-
-            foreach (var p in nestedPlayfields.Value)
-                p.SetKeepAlive(hitObject, keepAlive);
-        }
-
-        /// <summary>
-        /// Keeps all <see cref="HitObject"/>s alive within this and all nested <see cref="Playfield"/>s.
-        /// </summary>
-        public void KeepAllAlive()
-        {
-            foreach (var (_, entry) in lifetimeEntryMap)
-                entry.KeepAlive = true;
-
-            if (!nestedPlayfields.IsValueCreated)
-                return;
-
-            foreach (var p in nestedPlayfields.Value)
-                p.KeepAllAlive();
-        }
-
         /// <summary>
         /// The cursor currently being used by this <see cref="Playfield"/>. May be null if no cursor is provided.
         /// </summary>
@@ -258,8 +205,6 @@ protected void AddNested(Playfield otherPlayfield)
 
             otherPlayfield.NewResult += (d, r) => NewResult?.Invoke(d, r);
             otherPlayfield.RevertResult += (d, r) => RevertResult?.Invoke(d, r);
-            otherPlayfield.HitObjectUsageBegan += h => HitObjectUsageBegan?.Invoke(h);
-            otherPlayfield.HitObjectUsageFinished += h => HitObjectUsageFinished?.Invoke(h);
 
             nestedPlayfields.Value.Add(otherPlayfield);
         }