diff --git a/readthedocs/misc/v2-migration-guide.rst b/readthedocs/misc/v2-migration-guide.rst
index cd887251..7655e673 100644
--- a/readthedocs/misc/v2-migration-guide.rst
+++ b/readthedocs/misc/v2-migration-guide.rst
@@ -32,8 +32,3 @@ change even across minor version changes, and thus have your code break.
 
 * The ``telethon.client`` module is now ``telethon._client``, meaning you should stop relying on
   anything inside of it. This includes all of the subclasses that used to exist (like ``UserMethods``).
-
-  TODO REVIEW self\._\w+\(
-  and __signature__
-  and property
-  abs abc abstract
\ No newline at end of file
diff --git a/telethon/client/__init__.py b/telethon/_client/__init__.py
similarity index 100%
rename from telethon/client/__init__.py
rename to telethon/_client/__init__.py
diff --git a/telethon/client/account.py b/telethon/_client/account.py
similarity index 100%
rename from telethon/client/account.py
rename to telethon/_client/account.py
diff --git a/telethon/client/auth.py b/telethon/_client/auth.py
similarity index 100%
rename from telethon/client/auth.py
rename to telethon/_client/auth.py
diff --git a/telethon/client/bots.py b/telethon/_client/bots.py
similarity index 100%
rename from telethon/client/bots.py
rename to telethon/_client/bots.py
diff --git a/telethon/client/buttons.py b/telethon/_client/buttons.py
similarity index 100%
rename from telethon/client/buttons.py
rename to telethon/_client/buttons.py
diff --git a/telethon/client/chats.py b/telethon/_client/chats.py
similarity index 100%
rename from telethon/client/chats.py
rename to telethon/_client/chats.py
diff --git a/telethon/client/dialogs.py b/telethon/_client/dialogs.py
similarity index 100%
rename from telethon/client/dialogs.py
rename to telethon/_client/dialogs.py
diff --git a/telethon/client/downloads.py b/telethon/_client/downloads.py
similarity index 100%
rename from telethon/client/downloads.py
rename to telethon/_client/downloads.py
diff --git a/telethon/client/messageparse.py b/telethon/_client/messageparse.py
similarity index 100%
rename from telethon/client/messageparse.py
rename to telethon/_client/messageparse.py
diff --git a/telethon/client/messages.py b/telethon/_client/messages.py
similarity index 100%
rename from telethon/client/messages.py
rename to telethon/_client/messages.py
diff --git a/telethon/client/telegrambaseclient.py b/telethon/_client/telegrambaseclient.py
similarity index 100%
rename from telethon/client/telegrambaseclient.py
rename to telethon/_client/telegrambaseclient.py
diff --git a/telethon/client/telegramclient.py b/telethon/_client/telegramclient.py
similarity index 100%
rename from telethon/client/telegramclient.py
rename to telethon/_client/telegramclient.py
diff --git a/telethon/client/updates.py b/telethon/_client/updates.py
similarity index 100%
rename from telethon/client/updates.py
rename to telethon/_client/updates.py
diff --git a/telethon/client/uploads.py b/telethon/_client/uploads.py
similarity index 100%
rename from telethon/client/uploads.py
rename to telethon/_client/uploads.py
diff --git a/telethon/client/users.py b/telethon/_client/users.py
similarity index 100%
rename from telethon/client/users.py
rename to telethon/_client/users.py