diff --git a/src/__mocks__/trystero.ts b/src/__mocks__/trystero.ts
index 1d6339c..047a25c 100644
--- a/src/__mocks__/trystero.ts
+++ b/src/__mocks__/trystero.ts
@@ -1,7 +1,7 @@
-import { joinRoom as trysteroJoinRoom, RoomConfig, Room } from 'trystero'
+import { joinRoom as trysteroJoinRoom, Room, BaseRoomConfig } from 'trystero'
 
 export const joinRoom: typeof trysteroJoinRoom = (
-  _config: RoomConfig,
+  _config: BaseRoomConfig,
   _roomId: string
 ) => {
   const room: Room = {
diff --git a/src/react-app-env.d.ts b/src/react-app-env.d.ts
index f0d70f9..6431bc5 100644
--- a/src/react-app-env.d.ts
+++ b/src/react-app-env.d.ts
@@ -1,6 +1 @@
 /// <reference types="react-scripts" />
-
-declare module 'trystero' {
-  export type RoomConfig = BaseRoomConfig &
-    (BitTorrentRoomConfig | FirebaseRoomConfig | IpfsRoomConfig)
-}