diff --git a/Packages/SoftMaskForUGUI/Scripts/Editor/SoftMaskableEditor.cs b/Packages/SoftMaskForUGUI/Scripts/Editor/SoftMaskableEditor.cs
index 048ba26..d1814fe 100644
--- a/Packages/SoftMaskForUGUI/Scripts/Editor/SoftMaskableEditor.cs
+++ b/Packages/SoftMaskForUGUI/Scripts/Editor/SoftMaskableEditor.cs
@@ -2,7 +2,6 @@ using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.UI;
 using UnityEditor;
-using System.Linq;
 using MaskIntr = UnityEngine.SpriteMaskInteraction;
 
 namespace Coffee.UISoftMask
diff --git a/Packages/SoftMaskForUGUI/Scripts/SoftMask.cs b/Packages/SoftMaskForUGUI/Scripts/SoftMask.cs
index f0b7a3e..3fc612c 100644
--- a/Packages/SoftMaskForUGUI/Scripts/SoftMask.cs
+++ b/Packages/SoftMaskForUGUI/Scripts/SoftMask.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.Rendering;
 using UnityEngine.UI;