diff --git a/Assets/Cryville.EEW.Unity/Map/MapTile.cs b/Assets/Cryville.EEW.Unity/Map/MapTile.cs
index 6463325..d2c33e5 100644
--- a/Assets/Cryville.EEW.Unity/Map/MapTile.cs
+++ b/Assets/Cryville.EEW.Unity/Map/MapTile.cs
@@ -1,6 +1,5 @@
 using Cryville.EEW.Core.Map;
 using System;
-using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Net.Http;
 using System.Threading;
@@ -67,7 +66,6 @@ namespace Cryville.EEW.Unity.Map {
 			_downloadDone = true;
 		}
 
-		[SuppressMessage("CodeQuality", "IDE0051", Justification = "Unity message")]
 		void Update() {
 			if (_downloadDone) {
 				try {
@@ -100,7 +98,6 @@ namespace Cryville.EEW.Unity.Map {
 			_callback?.Invoke(this);
 		}
 
-		[SuppressMessage("CodeQuality", "IDE0051", Justification = "Unity message")]
 		void OnDestroy() {
 			if (_req != null) {
 				_req.Abort();