diff --git a/src/telegram-bot/telegram-bot.service.ts b/src/telegram-bot/telegram-bot.service.ts
index 659f0da..9e28369 100644
--- a/src/telegram-bot/telegram-bot.service.ts
+++ b/src/telegram-bot/telegram-bot.service.ts
@@ -11,7 +11,6 @@ export class TelegramBotService {
   private logger = new Logger(TelegramBotService.name);
   private bot: TelegramBot;
   private telegramBotToken: string;
-  private redmineApiUrlPrefix: string;
   private redminePublicUrlPrefix: string;
 
   private registerRe = /\/register (\d+) (.+)/;
@@ -22,8 +21,6 @@ export class TelegramBotService {
     private configService: ConfigService,
   ) {
     this.telegramBotToken = this.configService.get<string>('telegramBotToken');
-    this.redmineApiUrlPrefix =
-      this.configService.get<string>('redmineUrlPrefix');
     this.redminePublicUrlPrefix =
       this.configService.get<string>('redmineUrlPublic');
     this.initTelegramBot();