diff --git a/config.h.in b/config.h.in
index 701731f..7a8d620 100644
--- a/config.h.in
+++ b/config.h.in
@@ -15,9 +15,6 @@
 /* Define this if you want to Debug */
 #undef DEBUG
 
-/* default audio mode */
-#undef DEFAULT_AUDIO_MODE
-
 /* Define this if you use cdrom iotctl in *BSD */
 #undef ENABLE_CDROM_BSD
 
diff --git a/configure b/configure
index 5b86ccd..bbce178 100755
--- a/configure
+++ b/configure
@@ -869,8 +869,6 @@ enable_sdl
 with_sdl_prefix
 with_sdl_exec_prefix
 enable_sdltest
-enable_audio
-with_default_output
 enable_cdrom
 with_cdromdev
 with_locale
@@ -1556,9 +1554,6 @@ Optional Features:
   --disable-gtktest       do not try to compile and run a test GTK+ program
   --enable-sdl            SDL default=no
   --disable-sdltest       Do not try to compile and run a test SDL program
-  --enable-audio=mode_list  Enable audio (Specify comma separated mode list):
-                              default:  Automatically select audio device.
-                              sdlmixer: SDL mixer
   --enable-cdrom=mode_list  Enable CD-adio (Specify comma separated mode list):
                               (default:  Automatically select cdrom device)
                               linux:    linux API (Linux/Solaris)
@@ -1600,8 +1595,6 @@ Optional Packages:
   --with-x                use the X Window System
   --with-sdl-prefix=PFX   Prefix where SDL is installed (optional)
   --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)
-  --with-default-output=<mode>  Specify default output mode (optional):
-                                   default|sdl
   --with-cdromdev=#       CDROM Device Name. [default=/dev/cdrom]
   --with-locale=LOCALE    locale name you want to use(ex. ja_JP.ujis)
   --with-midi-player=xxx  External Midi Player default=playmidi -4
@@ -16470,66 +16463,6 @@ fi
 
 
 
-# Check whether --enable-audio was given.
-if test "${enable_audio+set}" = set; then :
-  enableval=$enable_audio;  enable_audio=$enableval
-else
-   enable_audio=yes
-fi
-
-
-test "x$enable_audio" = xyes && enable_audio=default
-
-if test "x$enable_audio" != xno; then
-  for i in `echo $enable_audio | sed 's/,/ /g'`; do
-    eval "enable_$i=yes"
-  done
-  if test "x$enable_default" = xyes; then
-    enable_audio=default
-  fi
-fi
-
-if test "x$enable_audio" = xdefault; then
-  enable_sdlmixer=yes
-fi
-
-
-DEFAULT_PLAYMODE=
-
-# Check whether --with-default-output was given.
-if test "${with_default_output+set}" = set; then :
-  withval=$with_default_output;  if test "$enable_audio" != no; then
-      DEFAULT_PLAYMODE=$withval
-      eval "enable_$DEFAULT_PLAYMODE=yes"
-    else
-      { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: --with-default-output=$withval: audio is not enabled" >&5
-$as_echo "$as_me: WARNING: --with-default-output=$withval: audio is not enabled" >&2;}
-    fi
-
-fi
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking default output mode" >&5
-$as_echo_n "checking default output mode... " >&6; }
-if test "x$DEFAULT_PLAYMODE" = x; then
-  DEFAULT_PLAYMODE=`echo $enable_audio | sed 's/,.*//'`
-fi
-case ".$DEFAULT_PLAYMODE" in
-  .default)  def_am=AUDIO_PCM_ANY ;;
-  .sdl)      def_am=AUDIO_PCM_SDL ;;
-  *)         def_am= ;;
-esac
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $def_am" >&5
-$as_echo "$def_am" >&6; }
-if test "x$def_am" != x; then
-
-cat >>confdefs.h <<_ACEOF
-#define DEFAULT_AUDIO_MODE $def_am
-_ACEOF
-
-fi
-
-
-
 SRC_AUDIO=
 if test "x$have_sdl" = xyes; then
   SRC_AUDIO="$SRC_AUDIO audio_sdl.c"
diff --git a/configure.ac b/configure.ac
index 0030d35..c74c37b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -199,63 +199,6 @@ fi
 AC_SUBST(SRC_GRAPHDEV)
 
 
-dnl
-dnl audio check
-dnl
-AC_ARG_ENABLE(audio,
-  [  --enable-audio[=mode_list]  Enable audio (Specify comma separated mode list):
-                              default:  Automatically select audio device.
-                              sdlmixer: SDL mixer],
-  [ enable_audio=$enableval],
-  [ enable_audio=yes])
-
-dnl yes -> default
-test "x$enable_audio" = xyes && enable_audio=default
-
-if test "x$enable_audio" != xno; then
-  for i in `echo $enable_audio | sed 's/,/ /g'`; do
-    eval "enable_$i=yes"
-  done
-  if test "x$enable_default" = xyes; then
-    enable_audio=default
-  fi
-fi
-
-if test "x$enable_audio" = xdefault; then
-  enable_sdlmixer=yes
-fi
-
-
-dnl
-dnl Turn on default audio output mode
-dnl
-DEFAULT_PLAYMODE=
-AC_ARG_WITH(default-output,
-  [  --with-default-output=<mode>  Specify default output mode (optional):
-                                   default|sdl],
-  [ if test "$enable_audio" != no; then
-      DEFAULT_PLAYMODE=$withval
-      eval "enable_$DEFAULT_PLAYMODE=yes"
-    else
-      AC_MSG_WARN(--with-default-output=$withval: audio is not enabled)
-    fi]
-)
-AC_MSG_CHECKING(default output mode)
-if test "x$DEFAULT_PLAYMODE" = x; then
-  DEFAULT_PLAYMODE=`echo $enable_audio | sed 's/,.*//'`
-fi
-case ".$DEFAULT_PLAYMODE" in
-  .default)  def_am=AUDIO_PCM_ANY ;;
-  .sdl)      def_am=AUDIO_PCM_SDL ;;
-  *)         def_am= ;;
-esac
-AC_MSG_RESULT($def_am)
-if test "x$def_am" != x; then
-  AC_DEFINE_UNQUOTED(DEFAULT_AUDIO_MODE, $def_am, [default audio mode])
-fi
-
-
-
 dnl
 dnl Audio
 dnl
diff --git a/src/audio.c b/src/audio.c
index a393580..00fc78c 100644
--- a/src/audio.c
+++ b/src/audio.c
@@ -37,11 +37,7 @@
 /* static variable */
 static boolean mode_onlyone = FALSE; /* if true, only probe selected device */
 
-#ifdef DEFAULT_AUDIO_MODE
-static int mode = DEFAULT_AUDIO_MODE;
-#else 
 static int mode = AUDIO_PCM_ANY;
-#endif
 
 #ifdef ENABLE_SDL
 extern int sdlaudio_init();