diff --git a/delta/about.ts b/delta/about.ts
deleted file mode 100644
index e695119..0000000
--- a/delta/about.ts
+++ /dev/null
@@ -1,23 +0,0 @@
-import { Composer, Context, InlineKeyboard } from "../deps.ts";
-import isPrivate from "../hooks/isPrivate.ts";
-import { reply } from "../utils/sender.ts";
-
-const composer = new Composer();
-
-export const message = `<b>Hurmatli foydalanuvchi!</b> \n` +
-  `\n` +
-  `Bizning botimiz aktiv tarzda shakllantirib boriladi. ` +
-  `Buning ustida esa bir necha avtor va dasturchilar turadi, ` +
-  `ushbu havolalar orqali bizning sinovchilarimizdan biriga aylaning ` +
-  `va biz bilan botimiz, hamda guruhimiz ishlatish qulayligini oshiring.`;
-
-export const keyboard = new InlineKeyboard().url(
-  `Ochiq Havolalar`,
-  `https://github.com/rust-lang-uz/rustina`,
-);
-
-composer.command("about", isPrivate, async (ctx: Context): Promise<void> => {
-  await reply(ctx, message, keyboard);
-});
-
-export default composer;
diff --git a/delta/help.ts b/delta/help.ts
deleted file mode 100644
index a3f3034..0000000
--- a/delta/help.ts
+++ /dev/null
@@ -1,37 +0,0 @@
-import { Composer, Context } from "../deps.ts";
-import * as start from "./start.ts";
-import { reply } from "../utils/sender.ts";
-
-const composer = new Composer();
-
-export const message = `<b>Mavjud komandalar ro'yxati:</b>` +
-  `\n` +
-  `\n` +
-  `/doc - <code>reply qilingan odamga dok borligi haqida eslatish</code>` +
-  `\n` +
-  `/useful - <code>rust haqida foydali yoki kerakli ma'lumotlar</code>` +
-  `\n` +
-  `/last - <code>eng oxirgi reliz haqida qisqacha ma'lumot</code>` +
-  `\n` +
-  `/version - <code>biron anniq reliz haqida to'liq ma'lumot</code>` +
-  `\n` +
-  `/off - <code>reply qilingan odamga offtop borligi haqida eslatish</code>` +
-  `\n` +
-  `/nometa - <code>to'g'ri savol berish haqida eslatma</code>` +
-  `\n` +
-  `/group - <code>rust ga oid guruh va hamjamiyatlar</code>` +
-  `\n` +
-  `/help - <code>ushbu xabarni qayta ko'rsatish</code>` +
-  `\n` +
-  `/about - <code>ushbu botimizning rivojlantirish qismi</code>` +
-  `\n` +
-  `/rules - <code>qoidalarni aks ettirish</code>` +
-  `\n` +
-  `/which - <code>ushbu guruh va foydalanuvchi metrik ma'lumotlarini ko'rsatish</code>`;
-export const keyboard = start.keyboard;
-
-composer.command("help", async (ctx: Context): Promise<void> => {
-  await reply(ctx, message, keyboard);
-});
-
-export default composer;
diff --git a/delta/rules.ts b/delta/rules.ts
deleted file mode 100644
index dc2e4de..0000000
--- a/delta/rules.ts
+++ /dev/null
@@ -1,35 +0,0 @@
-import { Composer, Context, InlineKeyboard } from "../deps.ts";
-import isPrivate from "../hooks/isPrivate.ts";
-import { reply } from "../utils/sender.ts";
-
-const composer = new Composer();
-
-export const message = `<b>Hurmatli guruh a'zosi...</b> ` +
-  `\n` +
-  `\n` +
-  `Iltimos qoidalarga oz bo'lsada vaqt ajratishni unutmang, bu muhim! Ushbu guruhda quyidagi harakatlar taqiqlanadi:` +
-  `\n` +
-  `\n` +
-  `<code>* Besabab bir-birini kamsitish yoki so'kinish</code>` +
-  `\n` +
-  `<code>* Sababsiz guruhga spam yozaverish yoki tashash</code>` +
-  `\n` +
-  `<code>* So'ralgan narsani yana qayta ezmalash</code> ` +
-  `\n` +
-  `<code>* Administratorlarga nisbatan juddayam qattiq kritika</code>` +
-  `\n` +
-  `<code>* Faoliyat ustidan shikoyat qilaverish yoki nolish</code>` +
-  `\n` +
-  `\n` +
-  `<b>Ushbu qoidalarni doimiy tarzda buzish, butunlay ban yoki bir necha ogohlantirishlirga olib keladi!</b>`;
-
-export const keyboard = new InlineKeyboard().url(
-  `Guruhga qaytish`,
-  `https://t.me/rustlanguz`,
-);
-
-composer.command("rules", isPrivate, async (ctx: Context): Promise<void> => {
-  await reply(ctx, message, keyboard);
-});
-
-export default composer;
diff --git a/delta/start.ts b/delta/start.ts
deleted file mode 100644
index a657435..0000000
--- a/delta/start.ts
+++ /dev/null
@@ -1,22 +0,0 @@
-import { Composer, Context, InlineKeyboard } from "../deps.ts";
-import { reply } from "../utils/sender.ts";
-
-const composer = new Composer();
-
-export const message: string =
-  `<b>Assalomu alaykum, hurmatli Rustacean!</b> \n` +
-  `\n` +
-  `Sizni ko'rib turganimdan bag'oyatda xursandman. ` +
-  `Men O'zbek Rust jamiyati tomonidan yaratilgan bot hisoblanib, ` +
-  `O'zbek Rust jamiyati foydalanuvchilari uchun foydali resurslarni yetkazish, saqlash va ` +
-  `ularni saralash uchun xizmat qilaman.`;
-
-export const keyboard = new InlineKeyboard()
-  .url("Jamiyat", "https://t.me/rustlanguz")
-  .url("Web Sahifa", "https://rust-lang.uz");
-
-composer.command("start", async (ctx: Context): Promise<void> => {
-  await reply(ctx, message, keyboard);
-});
-
-export default composer;
diff --git a/src/functions/about.rs b/src/functions/about.rs
index 5519ff4..e1ef996 100644
--- a/src/functions/about.rs
+++ b/src/functions/about.rs
@@ -1,4 +1,4 @@
-use crate::utils::kbmng::Keyboard;
+use crate::{utils::kbmng::Keyboard, hooks};
 use teloxide::{
     payloads::SendMessageSetters,
     prelude::*,
@@ -20,6 +20,13 @@ pub fn keyboard() -> InlineKeyboardMarkup {
 }
 
 pub async fn command(bot: &Bot, msg: &Message) -> ResponseResult<()> {
+    if !msg.chat.is_private() {
+        return {
+            hooks::is_private(bot, msg).await.unwrap();
+            Ok(())
+        }
+    }
+
     bot.send_message(msg.chat.id, TEXT)
         .parse_mode(ParseMode::Html)
         .reply_markup(keyboard())