diff --git a/modules/ContentStore/ContentStore.cs b/modules/ContentStore/ContentStore.cs
index 9522d0b..b7a1345 100644
--- a/modules/ContentStore/ContentStore.cs
+++ b/modules/ContentStore/ContentStore.cs
@@ -1,8 +1,6 @@
-using System.Reflection;
-using Kruzya.TelegramBot.Core;
+using Kruzya.TelegramBot.Core;
 using Microsoft.Extensions.DependencyInjection;
 using West.TelegramBot.ContentStore.Service;
-using Module = Kruzya.TelegramBot.Core.Module;
 
 namespace West.TelegramBot.ContentStore;
 
diff --git a/modules/ContentStore/Handler/Store.cs b/modules/ContentStore/Handler/Store.cs
index 9b65e90..3dd7d85 100644
--- a/modules/ContentStore/Handler/Store.cs
+++ b/modules/ContentStore/Handler/Store.cs
@@ -10,7 +10,6 @@ using Telegram.Bot;
 using Telegram.Bot.Types.Enums;
 using Telegram.Bot.Types.InputFiles;
 using Telegram.Bot.Types.ReplyMarkups;
-using West.TelegramBot.ContentStore.Model;
 using West.TelegramBot.ContentStore.Service;
 
 namespace West.TelegramBot.ContentStore.Handler;
@@ -31,6 +30,11 @@ public class Store : BotEventHandler
     [Command(InChat.Public, "store", CommandParseMode.Both)]
     public async Task HandleStore()
     {
+        if (From.IsBot)
+        {
+            return;
+        }
+
         if (_reputation == null)
         {
             await Bot.SendTextMessageAsync(Chat.Id, "Reputation is unavailable.");
@@ -85,7 +89,7 @@ public class Store : BotEventHandler
                 return;
             }
 
-            var storeItem = mediaService.StoreItem;
+            var storeItem = mediaService!.StoreItem;
             var messageId = query.Message!.MessageId;
             var reputation = await _reputation.GetUserReputationAsync(Chat, From);
             if (reputation < storeItem.Price)