diff --git a/libs/ardour/ardour/audiosource.h b/libs/ardour/ardour/audiosource.h
index 2cd7aa05d6..ad849a0bad 100644
--- a/libs/ardour/ardour/audiosource.h
+++ b/libs/ardour/ardour/audiosource.h
@@ -114,9 +114,6 @@ class LIBARDOUR_API AudioSource : virtual public Source, public ARDOUR::AudioRea
 	static std::vector<boost::shared_array<gain_t> > _gain_buffers;
 	static Glib::Threads::Mutex    _level_buffer_lock;
 
-	static void ensure_buffers_for_level (uint32_t, samplecnt_t);
-	static void ensure_buffers_for_level_locked (uint32_t, samplecnt_t);
-
 	std::string         _peakpath;
 
 	int initialize_peakfile (const std::string& path, const bool in_session = false);
diff --git a/libs/ardour/audio_playlist_source.cc b/libs/ardour/audio_playlist_source.cc
index d0bcf74f2b..6434ccdcf1 100644
--- a/libs/ardour/audio_playlist_source.cc
+++ b/libs/ardour/audio_playlist_source.cc
@@ -52,7 +52,6 @@ AudioPlaylistSource::AudioPlaylistSource (Session& s, const ID& orig, const std:
 	, _playlist_channel (chn)
 {
 	AudioSource::_length = timecnt_t (len);
-	ensure_buffers_for_level (_level, _session.sample_rate());
 }
 
 AudioPlaylistSource::AudioPlaylistSource (Session& s, const XMLNode& node)