diff --git a/example_flutter/lib/main.dart b/example_flutter/lib/main.dart
index b85a122..c30ba5c 100644
--- a/example_flutter/lib/main.dart
+++ b/example_flutter/lib/main.dart
@@ -83,8 +83,6 @@ class _MyHomePageState extends State<MyHomePage> {
         ),
         MessageManager(),
         PresenceManager(),
-        OccupantIdManager(),
-        MUCManager()
       ])
       ..registerFeatureNegotiators([
         ResourceBindingNegotiator(),
@@ -160,47 +158,6 @@ class _MyHomePageState extends State<MyHomePage> {
               ),
               obscureText: true,
             ),
-            TextButton(
-              onPressed: () async {
-                // final muc = connection.getManagerById<MUCManager>(mucManager);
-                // final roomInformationResult = await muc!.queryRoomInformation(
-                //     JID.fromString('moxxmpp-muc-test@muc.moxxy.org'));
-                // if (roomInformationResult.isType<RoomInformation>()) {
-                //   print('Room information received');
-                //   print(roomInformationResult.get<RoomInformation>().jid);
-                //   print(roomInformationResult.get<RoomInformation>().name);
-                //   print(roomInformationResult.get<RoomInformation>().features);
-                // }
-
-                // final muc = connection.getManagerById<MUCManager>(mucManager);
-                // print('joining room');
-                // final roomInformationResult = await muc!.joinRoom(
-                //     JID.fromString('moxxmpp-muc-test@muc.moxxy.org/test_1'));
-                // if (roomInformationResult.isType<MUCError>()) {
-                //   print(roomInformationResult.get());
-                // } else {
-                //   print(roomInformationResult.get());
-                // }
-
-                print('HERE IS YOUR JID');
-                print(connection.resource);
-                final sid = connection.generateId();
-                final originId = connection.generateId();
-                final message =
-                    connection.getManagerById<MessageManager>(messageManager);
-                message!.sendMessage(
-                  JID.fromString('moxxmpp-muc-test@muc.moxxy.org/ISD'),
-                  TypedMap<StanzaHandlerExtension>.fromList([
-                    const MessageBodyData('Testing'),
-                    const MarkableData(true),
-                    MessageIdData(sid),
-                    StableIdData(originId, null),
-                    ConversationTypeData(ConversationType.groupchatprivate)
-                  ]),
-                );
-              },
-              child: const Text('Test'),
-            ),
           ],
         ),
       ),
diff --git a/packages/moxxmpp/lib/src/xeps/xep_0045/types.dart b/packages/moxxmpp/lib/src/xeps/xep_0045/types.dart
index 8dcceed..31e2c80 100644
--- a/packages/moxxmpp/lib/src/xeps/xep_0045/types.dart
+++ b/packages/moxxmpp/lib/src/xeps/xep_0045/types.dart
@@ -23,7 +23,7 @@ class RoomInformation {
             .name!,
       );
 
-  /// The JID (Jabber ID) of the Multi-User Chat (MUC) room.
+  /// The JID of the Multi-User Chat (MUC) room.
   final JID jid;
 
   /// A list of features supported by the Multi-User Chat (MUC) room.
@@ -36,10 +36,8 @@ class RoomInformation {
 class RoomState {
   RoomState({
     required this.roomJid,
-    required this.roomInformation,
     this.nick,
   });
   final JID roomJid;
-  final RoomInformation roomInformation;
   String? nick;
 }
diff --git a/packages/moxxmpp/lib/src/xeps/xep_0045/xep_0045.dart b/packages/moxxmpp/lib/src/xeps/xep_0045/xep_0045.dart
index 39a3e4d..1a32c79 100644
--- a/packages/moxxmpp/lib/src/xeps/xep_0045/xep_0045.dart
+++ b/packages/moxxmpp/lib/src/xeps/xep_0045/xep_0045.dart
@@ -13,13 +13,6 @@ import 'package:moxxmpp/src/xeps/xep_0045/errors.dart';
 import 'package:moxxmpp/src/xeps/xep_0045/types.dart';
 import 'package:synchronized/synchronized.dart';
 
-enum ConversationType { chat, groupchat, groupchatprivate }
-
-class ConversationTypeData extends StanzaHandlerExtension {
-  ConversationTypeData(this.conversationType);
-  final ConversationType conversationType;
-}
-
 class MUCManager extends XmppManagerBase {
   MUCManager() : super(mucManager);
 
@@ -45,14 +38,6 @@ class MUCManager extends XmppManagerBase {
       final roomInformation = RoomInformation.fromDiscoInfo(
         discoInfo: result.get<DiscoInfo>(),
       );
-      await _cacheLock.synchronized(
-        () async {
-          _mucRoomCache[roomJID] = RoomState(
-            roomJid: roomJID,
-            roomInformation: roomInformation,
-          );
-        },
-      );
       return Result(roomInformation);
     } catch (e) {
       return Result(InvalidDiscoInfoResponse);
@@ -80,7 +65,7 @@ class MUCManager extends XmppManagerBase {
       ),
     );
     await _cacheLock.synchronized(
-      () async {
+      () {
         _mucRoomCache[roomJID]!.nick = nick;
       },
     );
@@ -90,15 +75,8 @@ class MUCManager extends XmppManagerBase {
   Future<Result<bool, MUCError>> leaveRoom(
     JID roomJID,
   ) async {
-    String? nick;
-    await _cacheLock.synchronized(
-      () async {
-        nick = _mucRoomCache[roomJID]!.nick;
-      },
-    );
-    if (nick!.isEmpty) {
-      return Result(NoNicknameSpecified());
-    }
+    final nick =
+        await _cacheLock.synchronized(() => _mucRoomCache[roomJID]!.nick);
     await getAttributes().sendStanza(
       StanzaDetails(
         Stanza.presence(
@@ -108,7 +86,7 @@ class MUCManager extends XmppManagerBase {
       ),
     );
     await _cacheLock.synchronized(
-      () async {
+      () {
         _mucRoomCache.remove(roomJID);
       },
     );