diff --git a/Assets/Scripts/LevelEditor/Timeline/BlockDeleteFX.cs b/Assets/Scripts/LevelEditor/Timeline/BlockDeleteFX.cs
index fa48b85f..348b603f 100644
--- a/Assets/Scripts/LevelEditor/Timeline/BlockDeleteFX.cs
+++ b/Assets/Scripts/LevelEditor/Timeline/BlockDeleteFX.cs
@@ -1,7 +1,6 @@
 using HeavenStudio.Util;
 using UnityEngine;
 using UnityEngine.UI;
-using static UnityEditor.Experimental.GraphView.GraphView;
 
 namespace HeavenStudio.Editor.Track
 {
diff --git a/Assets/Scripts/LevelEditor/Timeline/TimelineBlockManager.cs b/Assets/Scripts/LevelEditor/Timeline/TimelineBlockManager.cs
index 023c9918..8566ebc6 100644
--- a/Assets/Scripts/LevelEditor/Timeline/TimelineBlockManager.cs
+++ b/Assets/Scripts/LevelEditor/Timeline/TimelineBlockManager.cs
@@ -5,7 +5,6 @@ using UnityEngine.Pool;
 
 using Jukebox;
 using System.Linq;
-using static Jukebox.Legacy.Beatmap;
 
 namespace HeavenStudio.Editor.Track
 {
diff --git a/Assets/Scripts/LevelEditor/Timeline/TimelineEventObj.cs b/Assets/Scripts/LevelEditor/Timeline/TimelineEventObj.cs
index 028327f0..e39e3664 100644
--- a/Assets/Scripts/LevelEditor/Timeline/TimelineEventObj.cs
+++ b/Assets/Scripts/LevelEditor/Timeline/TimelineEventObj.cs
@@ -6,7 +6,6 @@ using Jukebox;
 using TMPro;
 using System.Linq;
 using System.Collections.Generic;
-using UnityEngine.Timeline;
 
 namespace HeavenStudio.Editor.Track
 {