   # @private
   roomRemoveFromList : (roomName, listName, values, cb) ->
     @withRoom roomName, withEH cb, (room) =>
-      room.removeFromList @username, listName, values, withEH cb, (data) =>
+      room.removeFromList @username, listName, values, withEH cb, (usernames) =>
         if @enableAccessListsUpdates
           @send roomName, 'roomAccessListRemoved', roomName, listName, values
-        @removeRoomUsers data, roomName, cb
+        @removeRoomUsers room, usernames, cb
 
   # @private
   roomSetWhitelistMode : (roomName, mode, cb) ->
     @withRoom roomName, withEH cb, (room) =>
-      room.changeMode @username, mode, withEH cb, (data) =>
-        @removeRoomUsers data, roomName, cb
+      room.changeMode @username, mode, withEH cb, (usernames) =>
+        @removeRoomUsers room, usernames, cb
 
 
 # An instance creates a new chat service.

  # @private
  initState : (state, cb) ->
    @roomState.initState state, cb

  # @private
  leave : (userName, cb) ->

# @private
# @mixin
# @nodoc
#
# Implements command implementation functions binding and wrapping.
# Required existence of server in extented classes.
CommandBinders =

  # @private
