diff --git a/source/server.rb b/source/server.rb
index 6b23b46..b1f36a3 100644
--- a/source/server.rb
+++ b/source/server.rb
@@ -140,30 +140,7 @@ module Vrobot4::Server
 
    # Basis for an audio-enabled server interface.
    class AudioServer < Server
-      # Joins a voice channel, using a message for context.
-      # @param m [Vrobot4::Server::Message] message for context
-      def voice_join m
-         raise NotImplementedError, "AudioServer#voice_join not implemented"
-      end
-
-      # Quits a voice channel, using a message for context.
-      # @param m [Vrobot4::Server::Message] message for context
-      def voice_quit m
-         raise NotImplementedError, "AudioServer#voice_quit not implemented"
-      end
-
-      # Plays an arbitrary audio file in a given context.
-      # @param m [Vrobot4::Server::Message] message for context
-      # @param io [IO] audio stream to play
-      def voice_play m, io
-         raise NotImplementedError, "AudioServer#voice_play not implemented"
-      end
-
-      # Check if the bot is playing audio in a given context.
-      # @param m [Vrobot4::Server::Message] message for context
-      def is_playing? m
-         raise NotImplementedError, "AudioServer#is_playing? not implemented"
-      end
+      ## TODO: make API for this
 
       # (see Vrobot4::Server::Server#flags)
       def flags