diff --git a/src/bot/mod.rs b/src/bot/mod.rs
index f2b45f51..34008900 100644
--- a/src/bot/mod.rs
+++ b/src/bot/mod.rs
@@ -1,6 +1,8 @@
 use reqwest::Client;
 
-mod api;
+// TODO: commented due to WIP changes.
+//   See https://github.com/telebofr/telebofr/issues/81.
+//mod api;
 mod download;
 
 /// A Telegram bot used to build requests.
diff --git a/src/dispatching/updater.rs b/src/dispatching/updater.rs
index 47d131ec..5de1d2cf 100644
--- a/src/dispatching/updater.rs
+++ b/src/dispatching/updater.rs
@@ -4,7 +4,6 @@ use std::{
 };
 
 use futures::{stream, Stream, StreamExt};
-
 use pin_project::pin_project;
 
 use crate::{bot::Bot, types::Update, RequestError};
@@ -140,7 +139,11 @@ pub fn polling<'a>(bot: &'a Bot) -> impl Updater<Error = RequestError> + 'a {
     let stream = stream::unfold((bot, 0), |(bot, mut offset)| {
         async move {
             // this match converts Result<Vec<_>, _> -> Vec<Result<_, _>>
-            let updates = match bot.get_updates().offset(offset).send().await {
+            // TODO: for now `get_updates` are removed, but when we implement it
+            //   back, we need to fix this code.
+            //   See https://github.com/telebofr/telebofr/issues/81.
+            let updates: Result<Vec<Update>, RequestError> = todo!();
+            let updates = match /* bot.get_updates().offset(offset).send().await */ updates {
                 Ok(updates) => {
                     if let Some(upd) = updates.last() {
                         offset = upd.id + 1;
diff --git a/src/requests/mod.rs b/src/requests/mod.rs
index e9bbc265..c9b55e2d 100644
--- a/src/requests/mod.rs
+++ b/src/requests/mod.rs
@@ -1,95 +1,97 @@
 //! API requests.
 
-pub use answer_callback_query::*;
-pub use answer_pre_checkout_query::*;
-pub use answer_shipping_query::*;
-pub use delete_chat_photo::*;
-pub use delete_chat_sticker_set::*;
-pub use edit_message_live_location::*;
-pub use export_chat_invite_link::*;
-pub use forward_message::*;
-pub use get_chat::*;
-pub use get_chat_administrators::*;
-pub use get_chat_member::*;
-pub use get_chat_members_count::*;
-pub use get_file::*;
-pub use get_me::*;
-pub use get_updates::*;
-pub use get_user_profile_photos::*;
-pub use kick_chat_member::*;
-pub use leave_chat::*;
-pub use pin_chat_message::*;
-pub use promote_chat_member::*;
-pub use restrict_chat_member::*;
-pub use send_animation::*;
-pub use send_audio::*;
-pub use send_chat_action::*;
-pub use send_contact::*;
-pub use send_document::*;
-pub use send_location::*;
-pub use send_media_group::*;
-pub use send_message::*;
-pub use send_photo::*;
-pub use send_poll::*;
-pub use send_venue::*;
-pub use send_video::*;
-pub use send_video_note::*;
-pub use send_voice::*;
-pub use set_chat_description::*;
-pub use set_chat_permissions::*;
-pub use set_chat_photo::*;
-pub use set_chat_sticker_set::*;
-pub use set_chat_title::*;
-pub use stop_message_live_location::*;
-pub use unban_chat_member::*;
-pub use unpin_chat_message::*;
+// TODO: commented due to WIP changes.
+//   See https://github.com/telebofr/telebofr/issues/81.
+//pub use answer_callback_query::*;
+//pub use answer_pre_checkout_query::*;
+//pub use answer_shipping_query::*;
+//pub use delete_chat_photo::*;
+//pub use delete_chat_sticker_set::*;
+//pub use edit_message_live_location::*;
+//pub use export_chat_invite_link::*;
+//pub use forward_message::*;
+//pub use get_chat::*;
+//pub use get_chat_administrators::*;
+//pub use get_chat_member::*;
+//pub use get_chat_members_count::*;
+//pub use get_file::*;
+//pub use get_me::*;
+//pub use get_updates::*;
+//pub use get_user_profile_photos::*;
+//pub use kick_chat_member::*;
+//pub use leave_chat::*;
+//pub use pin_chat_message::*;
+//pub use promote_chat_member::*;
+//pub use restrict_chat_member::*;
+//pub use send_animation::*;
+//pub use send_audio::*;
+//pub use send_chat_action::*;
+//pub use send_contact::*;
+//pub use send_document::*;
+//pub use send_location::*;
+//pub use send_media_group::*;
+//pub use send_message::*;
+//pub use send_photo::*;
+//pub use send_poll::*;
+//pub use send_venue::*;
+//pub use send_video::*;
+//pub use send_video_note::*;
+//pub use send_voice::*;
+//pub use set_chat_description::*;
+//pub use set_chat_permissions::*;
+//pub use set_chat_photo::*;
+//pub use set_chat_sticker_set::*;
+//pub use set_chat_title::*;
+//pub use stop_message_live_location::*;
+//pub use unban_chat_member::*;
+//pub use unpin_chat_message::*;
 
 mod form_builder;
 mod utils;
 
-mod answer_callback_query;
-mod answer_pre_checkout_query;
-mod answer_shipping_query;
-mod delete_chat_photo;
-mod delete_chat_sticker_set;
-mod edit_message_live_location;
-mod export_chat_invite_link;
-mod forward_message;
-mod get_chat;
-mod get_chat_administrators;
-mod get_chat_member;
-mod get_chat_members_count;
-mod get_file;
-mod get_me;
-mod get_updates;
-mod get_user_profile_photos;
-mod kick_chat_member;
-mod leave_chat;
-mod pin_chat_message;
-mod promote_chat_member;
-mod restrict_chat_member;
-mod send_animation;
-mod send_audio;
-mod send_chat_action;
-mod send_contact;
-mod send_document;
-mod send_location;
-mod send_media_group;
-mod send_message;
-mod send_photo;
-mod send_poll;
-mod send_venue;
-mod send_video;
-mod send_video_note;
-mod send_voice;
-mod set_chat_description;
-mod set_chat_permissions;
-mod set_chat_photo;
-mod set_chat_sticker_set;
-mod set_chat_title;
-mod stop_message_live_location;
-mod unban_chat_member;
-mod unpin_chat_message;
+//mod answer_callback_query;
+//mod answer_pre_checkout_query;
+//mod answer_shipping_query;
+//mod delete_chat_photo;
+//mod delete_chat_sticker_set;
+//mod edit_message_live_location;
+//mod export_chat_invite_link;
+//mod forward_message;
+//mod get_chat;
+//mod get_chat_administrators;
+//mod get_chat_member;
+//mod get_chat_members_count;
+//mod get_file;
+//mod get_me;
+//mod get_updates;
+//mod get_user_profile_photos;
+//mod kick_chat_member;
+//mod leave_chat;
+//mod pin_chat_message;
+//mod promote_chat_member;
+//mod restrict_chat_member;
+//mod send_animation;
+//mod send_audio;
+//mod send_chat_action;
+//mod send_contact;
+//mod send_document;
+//mod send_location;
+//mod send_media_group;
+//mod send_message;
+//mod send_photo;
+//mod send_poll;
+//mod send_venue;
+//mod send_video;
+//mod send_video_note;
+//mod send_voice;
+//mod set_chat_description;
+//mod set_chat_permissions;
+//mod set_chat_photo;
+//mod set_chat_sticker_set;
+//mod set_chat_title;
+//mod stop_message_live_location;
+//mod unban_chat_member;
+//mod unpin_chat_message;
 
 use async_trait::async_trait;
 use serde::de::DeserializeOwned;
@@ -101,7 +103,7 @@ pub type ResponseResult<T> = Result<T, crate::RequestError>;
 #[async_trait]
 pub trait Request {
     /// A type of response.
-    type Output: DeserializeOwned;
+    type Output: DeserializeOwned; // TODO: do we need this bound _here_?
 
     /// Send this request.
     async fn send_boxed(self) -> ResponseResult<Self::Output>;