diff --git a/telethon/_client/chats.py b/telethon/_client/chats.py
index ffb68c0f..693feeab 100644
--- a/telethon/_client/chats.py
+++ b/telethon/_client/chats.py
@@ -167,7 +167,6 @@ class _ParticipantsIter(requestiter.RequestIter):
                     continue
 
                 user = users[user_id]
-                user.participant = participant
                 self.buffer.append(user)
 
             return True
@@ -176,7 +175,6 @@ class _ParticipantsIter(requestiter.RequestIter):
             if self.limit != 0:
                 user = await self.client.get_entity(entity)
                 if self.filter_entity(user):
-                    user.participant = None
                     self.buffer.append(user)
 
             return True
@@ -213,7 +211,6 @@ class _ParticipantsIter(requestiter.RequestIter):
                 continue
             self.seen.add(user_id)
             user = users[user_id]
-            user.participant = participant
             self.buffer.append(user)
 
 
diff --git a/telethon/_client/telegramclient.py b/telethon/_client/telegramclient.py
index 136718ab..bc4371f3 100644
--- a/telethon/_client/telegramclient.py
+++ b/telethon/_client/telegramclient.py
@@ -731,10 +731,7 @@ class TelegramClient:
                 * ``'contact'``
 
         Yields
-            The :tl:`User` objects returned by :tl:`GetParticipants`
-            with an additional ``.participant`` attribute which is the
-            matched :tl:`ChannelParticipant` type for channels/megagroups
-            or :tl:`ChatParticipants` for normal chats.
+            The :tl:`User` objects returned by :tl:`GetParticipants`.
 
         Example
             .. code-block:: python