diff --git a/lib/matrix_api_lite.dart b/lib/matrix_api_lite.dart
index ce3ff7df..d90c0a1b 100644
--- a/lib/matrix_api_lite.dart
+++ b/lib/matrix_api_lite.dart
@@ -33,7 +33,6 @@ export 'src/model/filter.dart';
 export 'src/model/keys_query_response.dart';
 export 'src/model/login_response.dart';
 export 'src/model/login_types.dart';
-export 'src/model/marked_unread.dart';
 export 'src/model/matrix_connection_exception.dart';
 export 'src/model/matrix_event.dart';
 export 'src/model/matrix_exception.dart';
diff --git a/lib/src/model/marked_unread.dart b/lib/src/model/marked_unread.dart
deleted file mode 100644
index c3223c78..00000000
--- a/lib/src/model/marked_unread.dart
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- *   Famedly Matrix SDK
- *   Copyright (C) 2019, 2020 Famedly GmbH
- *
- *   This program is free software: you can redistribute it and/or modify
- *   it under the terms of the GNU Affero General Public License as
- *   published by the Free Software Foundation, either version 3 of the
- *   License, or (at your option) any later version.
- *
- *   This program is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- *   GNU Affero General Public License for more details.
- *
- *   You should have received a copy of the GNU Affero General Public License
- *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-mixin EventType {
-  static const String MarkedUnread = 'com.famedly.marked_unread';
-}
-
-class MarkedUnread {
-  bool unread;
-
-  MarkedUnread(this.unread);
-
-  MarkedUnread.fromJson(Map<String, dynamic> json) {
-    if (!(json['unread'] is bool)) {
-      unread = false;
-    } else {
-      unread = json['unread'];
-    }
-  }
-
-  Map<String, dynamic> toJson() {
-    final data = <String, dynamic>{};
-    if (unread != null) {
-      data['unread'] = unread;
-    }
-    return data;
-  }
-}