diff --git a/Modules/Utils.cs b/Modules/Utils.cs
index 4e3a6f30f..4c3018da3 100644
--- a/Modules/Utils.cs
+++ b/Modules/Utils.cs
@@ -1130,50 +1130,6 @@ public static void FlashColor(Color color, float duration = 1f)
                 obj.GetComponent<SpriteRenderer>().color = new(color.r, color.g, color.b, Mathf.Clamp01((-2f * Mathf.Abs(t - 0.5f) + 1) * color.a)); //アルファ値を0→目標→0に変化させる
             })));
         }
-        public static void MakeWebhookUrlFile()
-        {
-            Logger.Info("WebhookUrl.txtを作成", "Webhook");
-            try
-            {
-                File.WriteAllText("WebhookUrl.txt", "この文章を削除してウェブフックのURLを記述/Remove this text and enter Webhook url");
-            }
-            catch (Exception ex)
-            {
-                Logger.Error(ex.ToString(), "Webhook");
-            }
-        }
-        public static void SendWebhook(string text, string userName = "Town Of Host")
-        {
-            if (!File.Exists("WebhookUrl.txt"))
-                MakeWebhookUrlFile();
-            HttpClient client = new();
-            Dictionary<string, string> message = new()
-            {
-                { "content", text },
-                { "username", userName },
-                { "avatar_url", "https://raw.githubusercontent.com/Hyz-sui/TownOfHost-H/images-H/Images/discord-avatar.png" }
-            };
-            using StreamReader sr = new("WebhookUrl.txt", Encoding.UTF8);
-            string webhookUrl = sr.ReadLine();
-            if (!Regex.IsMatch(webhookUrl, "^(https://(ptb.|canary.)?discord(app)?.com/api/webhooks/)"))  // ptbとcanaryとappはあってもなくてもいい
-            {
-                Logger.Info("WebhookUrl.txtの内容がdiscordのウェブフックurlではなかったためウェブフックの送信をキャンセル", "Webhook");
-                return;
-            }
-            try
-            {
-                TaskAwaiter<HttpResponseMessage> awaiter = client.PostAsync(webhookUrl, new FormUrlEncodedContent(message)).GetAwaiter();
-                var response = awaiter.GetResult();
-                Logger.Info("ウェブフックを送信しました", "Webhook");
-                if (!response.IsSuccessStatusCode)
-                    Logger.Warn("応答が異常です", "Webhook");
-                Logger.Info($"{(int)response.StatusCode} {response.ReasonPhrase}", "Webhook");  // 正常な応答: 204 No Content
-            }
-            catch (Exception ex)
-            {
-                Logger.Error(ex.ToString(), "Webhook");
-            }
-        }
         public static string ColorIdToDiscordEmoji(int colorId, bool alive)
         {
             if (alive)