diff --git a/panda/src/audiotraits/Sources.pp b/panda/src/audiotraits/Sources.pp
deleted file mode 100644
index 814ba38985..0000000000
--- a/panda/src/audiotraits/Sources.pp
+++ /dev/null
@@ -1,50 +0,0 @@
-#define OTHER_LIBS dtoolconfig dtool
-#define DIRECTORY_IF_AUDIO yes
-#define DIRECTORY_IF_IPC yes
-#define USE_AUDIO yes
-
-#begin lib_target
-  #define TARGET audio_load_midi
-  #define BUILDING_DLL BUILDING_MISC
-  #define LOCAL_LIBS \
-    audio express
-
-  #define SOURCES \
-    audio_load_midi.cxx
-
-#end lib_target
-
-#begin lib_target
-  #define TARGET audio_load_wav
-  #define BUILDING_DLL BUILDING_MISC
-  #define LOCAL_LIBS \
-    audio express
-
-  #define SOURCES \
-    audio_load_wav.cxx
-
-#end lib_target
-
-#begin lib_target
-  #define TARGET audio_load_st
-  #define BUILDING_DLL BUILDING_MISC
-  #define USE_SOXST yes
-  #define LOCAL_LIBS \
-    audio express
-
-  #define SOURCES \
-    audio_load_st.cxx
-
-#end lib_target
-
-#begin lib_target
-  #define TARGET audio_load_mp3
-  #define BUILDING_DLL BUILDING_MISC
-  #define LOCAL_LIBS \
-    audio express $[if $[ne $[USE_RAD_MSS],], , mpg123]
-  #define C++FLAGS -DGENERIC -DNOXFERMEM
-
-  #define SOURCES \
-    audio_load_mp3.cxx
-
-#end lib_target
diff --git a/panda/src/audiotraits/audio_load_midi.cxx b/panda/src/audiotraits/audio_load_midi.cxx
deleted file mode 100644
index c317e40336..0000000000
--- a/panda/src/audiotraits/audio_load_midi.cxx
+++ /dev/null
@@ -1,18 +0,0 @@
-// Filename: audio_load_midi.cxx
-// Created by:  cary (26Sep00)
-//
-////////////////////////////////////////////////////////////////////
-//
-// PANDA 3D SOFTWARE
-// Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
-//
-// All use of this software is subject to the terms of the Panda 3d
-// Software license.  You should have received a copy of this license
-// along with this source code; you will also find a current copy of
-// the license at http://www.panda3d.org/license.txt .
-//
-// To contact the maintainers of this program write to
-// panda3d@yahoogroups.com .
-//
-////////////////////////////////////////////////////////////////////
-
diff --git a/panda/src/audiotraits/audio_load_mp3.cxx b/panda/src/audiotraits/audio_load_mp3.cxx
deleted file mode 100644
index 32d5b94d36..0000000000
--- a/panda/src/audiotraits/audio_load_mp3.cxx
+++ /dev/null
@@ -1,17 +0,0 @@
-// Filename: audio_load_mp3.cxx
-// Created by:  cary (11Oct00)
-//
-////////////////////////////////////////////////////////////////////
-//
-// PANDA 3D SOFTWARE
-// Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
-//
-// All use of this software is subject to the terms of the Panda 3d
-// Software license.  You should have received a copy of this license
-// along with this source code; you will also find a current copy of
-// the license at http://www.panda3d.org/license.txt .
-//
-// To contact the maintainers of this program write to
-// panda3d@yahoogroups.com .
-//
-////////////////////////////////////////////////////////////////////
diff --git a/panda/src/audiotraits/audio_load_st.cxx b/panda/src/audiotraits/audio_load_st.cxx
deleted file mode 100644
index cff87b89f1..0000000000
--- a/panda/src/audiotraits/audio_load_st.cxx
+++ /dev/null
@@ -1,17 +0,0 @@
-// Filename: audio_load_st.cxx
-// Created by:  cary (03Oct00)
-//
-////////////////////////////////////////////////////////////////////
-//
-// PANDA 3D SOFTWARE
-// Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
-//
-// All use of this software is subject to the terms of the Panda 3d
-// Software license.  You should have received a copy of this license
-// along with this source code; you will also find a current copy of
-// the license at http://www.panda3d.org/license.txt .
-//
-// To contact the maintainers of this program write to
-// panda3d@yahoogroups.com .
-//
-////////////////////////////////////////////////////////////////////
diff --git a/panda/src/audiotraits/audio_load_wav.cxx b/panda/src/audiotraits/audio_load_wav.cxx
deleted file mode 100644
index 7355633a1c..0000000000
--- a/panda/src/audiotraits/audio_load_wav.cxx
+++ /dev/null
@@ -1,17 +0,0 @@
-// Filename: audio_load_wav.cxx
-// Created by:  cary (23Sep00)
-//
-////////////////////////////////////////////////////////////////////
-//
-// PANDA 3D SOFTWARE
-// Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
-//
-// All use of this software is subject to the terms of the Panda 3d
-// Software license.  You should have received a copy of this license
-// along with this source code; you will also find a current copy of
-// the license at http://www.panda3d.org/license.txt .
-//
-// To contact the maintainers of this program write to
-// panda3d@yahoogroups.com .
-//
-////////////////////////////////////////////////////////////////////