From a07d4a7915aa262bfdfe64e3ce5ba3465a2da523 Mon Sep 17 00:00:00 2001
From: smoogipoo <smoogipoo@smgi.me>
Date: Fri, 13 Nov 2020 14:42:41 +0900
Subject: [PATCH] Remove unnecessary dictionary for now

---
 osu.Game/Rulesets/UI/Playfield.cs | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/osu.Game/Rulesets/UI/Playfield.cs b/osu.Game/Rulesets/UI/Playfield.cs
index d1cb8ecbbd..573a57d701 100644
--- a/osu.Game/Rulesets/UI/Playfield.cs
+++ b/osu.Game/Rulesets/UI/Playfield.cs
@@ -136,8 +136,6 @@ namespace osu.Game.Rulesets.UI
             return false;
         }
 
-        private readonly Dictionary<HitObject, HitObjectLifetimeEntry> lifetimeEntryMap = new Dictionary<HitObject, HitObjectLifetimeEntry>();
-
         /// <summary>
         /// Adds a <see cref="HitObjectLifetimeEntry"/> for a pooled <see cref="HitObject"/> to this <see cref="Playfield"/>.
         /// </summary>
@@ -145,7 +143,6 @@ namespace osu.Game.Rulesets.UI
         public virtual void Add(HitObjectLifetimeEntry entry)
         {
             HitObjectContainer.Add(entry);
-            lifetimeEntryMap[entry.HitObject] = entry;
             OnHitObjectAdded(entry.HitObject);
         }
 
@@ -156,9 +153,8 @@ namespace osu.Game.Rulesets.UI
         /// <returns>Whether the <see cref="HitObject"/> was successfully removed.</returns>
         public virtual bool Remove(HitObjectLifetimeEntry entry)
         {
-            if (lifetimeEntryMap.Remove(entry.HitObject))
+            if (HitObjectContainer.Remove(entry))
             {
-                HitObjectContainer.Remove(entry);
                 OnHitObjectRemoved(entry.HitObject);
                 return true;
             }