diff --git a/src/i_sound.h b/src/i_sound.h
index f418b598f..28cab0c54 100644
--- a/src/i_sound.h
+++ b/src/i_sound.h
@@ -24,7 +24,6 @@ typedef enum {
 	MU_CMD,
 	MU_WAV,
 	MU_MOD,
-	MU_MID,
 	MU_OGG,
 	MU_MP3,
 	MU_MP3_MAD_UNUSED, // use MU_MP3 instead
diff --git a/src/lua_baselib.c b/src/lua_baselib.c
index 9916ceab8..3914b4c1e 100644
--- a/src/lua_baselib.c
+++ b/src/lua_baselib.c
@@ -1959,8 +1959,6 @@ static int lib_sMusicInfo(lua_State *L)
 
 static int lib_sMusicExists(lua_State *L)
 {
-	boolean checkMIDI = lua_opttrueboolean(L, 2);
-	boolean checkDigi = lua_opttrueboolean(L, 3);
 #ifdef MUSICSLOT_COMPATIBILITY
 	const char *music_name;
 	UINT32 music_num;
@@ -1989,7 +1987,7 @@ static int lib_sMusicExists(lua_State *L)
 	const char *music_name = luaL_checkstring(L, 1);
 #endif
 	NOHUD
-	lua_pushboolean(L, S_MusicExists(music_name, checkMIDI, checkDigi));
+	lua_pushboolean(L, S_MusicExists(music_name));
 	return 1;
 }
 
diff --git a/src/s_sound.c b/src/s_sound.c
index ec1f53e1f..e9bd96cc4 100644
--- a/src/s_sound.c
+++ b/src/s_sound.c
@@ -1771,7 +1771,7 @@ boolean S_DigMusicDisabled(void)
 
 boolean S_MusicDisabled(void)
 {
-	return (midi_disabled && digital_disabled);
+	return digital_disabled;
 }
 
 boolean S_MusicPlaying(void)
@@ -1807,12 +1807,9 @@ boolean S_MusicInfo(char *mname, UINT16 *mflags, boolean *looping)
 	return (boolean)mname[0];
 }
 
-boolean S_MusicExists(const char *mname, boolean checkMIDI, boolean checkDigi)
+boolean S_MusicExists(const char *mname)
 {
-	return (
-		(checkDigi ? W_CheckNumForName(va("O_%s", mname)) != LUMPERROR : false)
-		|| (checkMIDI ? W_CheckNumForName(va("D_%s", mname)) != LUMPERROR : false)
-	);
+	return W_CheckNumForName(va("O_%s", mname)) != LUMPERROR;
 }
 
 /// ------------------------
@@ -1867,8 +1864,6 @@ static boolean S_LoadMusic(const char *mname)
 
 	if (!S_DigMusicDisabled() && S_DigExists(mname))
 		mlumpnum = W_GetNumForName(va("o_%s", mname));
-	else if (!S_MIDIMusicDisabled() && S_MIDIExists(mname))
-		mlumpnum = W_GetNumForName(va("d_%s", mname));
 	else if (S_DigMusicDisabled() && S_DigExists(mname))
 	{
 		CONS_Alert(CONS_NOTICE, "Digital music is disabled!\n");
@@ -2356,25 +2351,7 @@ void GameDigiMusic_OnChange(void)
 	else
 	{
 		digital_disabled = true;
-		if (S_MusicType() != MU_MID)
-		{
-			if (midi_disabled)
-				S_StopMusic();
-			else
-			{
-				char mmusic[7];
-				UINT16 mflags;
-				boolean looping;
-
-				if (S_MusicInfo(mmusic, &mflags, &looping) && S_MIDIExists(mmusic))
-				{
-					S_StopMusic();
-					S_ChangeMusic(mmusic, mflags, looping);
-				}
-				else
-					S_StopMusic();
-			}
-		}
+		S_StopMusic();
 	}
 }
 
diff --git a/src/s_sound.h b/src/s_sound.h
index c4b4deef7..d2ea6b4d4 100644
--- a/src/s_sound.h
+++ b/src/s_sound.h
@@ -118,16 +118,14 @@ void S_StopSound(void *origin);
 //
 
 boolean S_DigMusicDisabled(void);
-boolean S_MIDIMusicDisabled(void);
 boolean S_MusicDisabled(void);
 boolean S_MusicPlaying(void);
 boolean S_MusicPaused(void);
 musictype_t S_MusicType(void);
 const char *S_MusicName(void);
 boolean S_MusicInfo(char *mname, UINT16 *mflags, boolean *looping);
-boolean S_MusicExists(const char *mname, boolean checkMIDI, boolean checkDigi);
-#define S_DigExists(a) S_MusicExists(a, false, true)
-#define S_MIDIExists(a) S_MusicExists(a, true, false)
+boolean S_MusicExists(const char *mname);
+#define S_DigExists S_MusicExists
 
 //
 // Music Effects
diff --git a/src/sdl/mixer_sound.c b/src/sdl/mixer_sound.c
index 54e63f8fe..dc088185c 100644
--- a/src/sdl/mixer_sound.c
+++ b/src/sdl/mixer_sound.c
@@ -536,13 +536,6 @@ void I_SetSfxVolume(int volume)
 
 static UINT32 get_real_volume(int volume)
 {
-#ifdef _WIN32
-	if (I_SongType() == MU_MID)
-		// HACK: Until we stop using native MIDI,
-		// disable volume changes
-		return ((UINT32)31*128/31); // volume = 31
-	else
-#endif
 	{
 		// convert volume to mixer's 128 scale
 		// then apply internal_volume as a percentage
@@ -611,7 +604,7 @@ static void count_music_bytes(int chan, void *stream, int len, void *udata)
 	(void)stream;
 	(void)udata;
 
-	if (!music || I_SongType() == MU_GME || I_SongType() == MU_MOD || I_SongType() == MU_MID)
+	if (!music || I_SongType() == MU_GME || I_SongType() == MU_MOD)
 		return;
 	music_bytes += len;
 
@@ -714,8 +707,6 @@ musictype_t I_SongType(void)
 #endif
 	if (!music)
 		return MU_NONE;
-	else if (Mix_GetMusicType(music) == MUS_MID)
-		return MU_MID;
 	else if (Mix_GetMusicType(music) == MUS_MOD || Mix_GetMusicType(music) == MUS_MODPLUG)
 		return MU_MOD;
 	else if (Mix_GetMusicType(music) == MUS_MP3 || Mix_GetMusicType(music) == MUS_MP3_MAD)
@@ -798,7 +789,7 @@ UINT32 I_GetSongLength(void)
 	}
 	else
 #endif
-	if (!music || I_SongType() == MU_MOD || I_SongType() == MU_MID)
+	if (!music || I_SongType() == MU_MOD)
 		return 0;
 	else
 	{
@@ -813,7 +804,7 @@ UINT32 I_GetSongLength(void)
 
 boolean I_SetSongLoopPoint(UINT32 looppoint)
 {
-	if (!music || I_SongType() == MU_GME || I_SongType() == MU_MOD || I_SongType() == MU_MID || !is_looping)
+	if (!music || I_SongType() == MU_GME || I_SongType() == MU_MOD || !is_looping)
 		return false;
 	else
 	{
@@ -849,7 +840,7 @@ UINT32 I_GetSongLoopPoint(void)
 	}
 	else
 #endif
-	if (!music || I_SongType() == MU_MOD || I_SongType() == MU_MID)
+	if (!music || I_SongType() == MU_MOD)
 		return 0;
 	else
 		return (UINT32)(loop_point * 1000);
@@ -883,7 +874,7 @@ boolean I_SetSongPosition(UINT32 position)
 	}
 	else
 #endif
-	if (!music || I_SongType() == MU_MID)
+	if (!music)
 		return false;
 	else if (I_SongType() == MU_MOD)
 		return Mix_SetMusicPosition(position); // Goes by channels
@@ -942,7 +933,7 @@ UINT32 I_GetSongPosition(void)
 	}
 	else
 #endif
-	if (!music || I_SongType() == MU_MID)
+	if (!music)
 		return 0;
 	else
 		return music_bytes/44100.0L*1000.0L/4; //assume 44.1khz
@@ -1170,12 +1161,12 @@ boolean I_PlaySong(boolean looping)
 	if (fpclassify(song_length) == FP_ZERO && (I_SongType() == MU_OGG || I_SongType() == MU_MP3 || I_SongType() == MU_FLAC))
 		CONS_Debug(DBG_DETAILED, "This song is missing a LENGTHMS= tag! Required to make seeking work properly.\n");
 
-	if (I_SongType() != MU_MOD && I_SongType() != MU_MID && Mix_PlayMusic(music, 0) == -1)
+	if (I_SongType() != MU_MOD && Mix_PlayMusic(music, 0) == -1)
 	{
 		CONS_Alert(CONS_ERROR, "Mix_PlayMusic: %s\n", Mix_GetError());
 		return false;
 	}
-	else if ((I_SongType() == MU_MOD || I_SongType() == MU_MID) && Mix_PlayMusic(music, looping ? -1 : 0) == -1) // if MOD, loop forever
+	else if (I_SongType() == MU_MOD && Mix_PlayMusic(music, looping ? -1 : 0) == -1) // if MOD, loop forever
 	{
 		CONS_Alert(CONS_ERROR, "Mix_PlayMusic: %s\n", Mix_GetError());
 		return false;
@@ -1185,10 +1176,10 @@ boolean I_PlaySong(boolean looping)
 
 	I_SetMusicVolume(music_volume);
 
-	if (I_SongType() != MU_MOD && I_SongType() != MU_MID)
+	if (I_SongType() != MU_MOD)
 		Mix_HookMusicFinished(music_loop); // don't bother counting if MOD
 
-	if(I_SongType() != MU_MOD && I_SongType() != MU_MID && !Mix_RegisterEffect(MIX_CHANNEL_POST, count_music_bytes, NULL, NULL))
+	if(I_SongType() != MU_MOD && !Mix_RegisterEffect(MIX_CHANNEL_POST, count_music_bytes, NULL, NULL))
 		CONS_Alert(CONS_WARNING, "Error registering SDL music position counter: %s\n", Mix_GetError());
 
 	return true;
@@ -1217,10 +1208,9 @@ void I_StopSong(void)
 
 void I_PauseSong(void)
 {
-	if(I_SongType() == MU_MID) // really, SDL Mixer? why can't you pause MIDI???
-		return;
+	// really, SRB2? why do you support MIDI???
 
-	if(I_SongType() != MU_GME && I_SongType() != MU_MOD && I_SongType() != MU_MID)
+	if(I_SongType() != MU_GME && I_SongType() != MU_MOD)
 		Mix_UnregisterEffect(MIX_CHANNEL_POST, count_music_bytes);
 
 	Mix_PauseMusic();
@@ -1229,15 +1219,12 @@ void I_PauseSong(void)
 
 void I_ResumeSong(void)
 {
-	if (I_SongType() == MU_MID)
-		return;
-
-	if (I_SongType() != MU_GME && I_SongType() != MU_MOD && I_SongType() != MU_MID)
+	if (I_SongType() != MU_GME && I_SongType() != MU_MOD)
 	{
 		while(Mix_UnregisterEffect(MIX_CHANNEL_POST, count_music_bytes) != 0) { }
 			// HACK: fixes issue of multiple effect callbacks being registered
 
-		if(music && I_SongType() != MU_MOD && I_SongType() != MU_MID && !Mix_RegisterEffect(MIX_CHANNEL_POST, count_music_bytes, NULL, NULL))
+		if(music && I_SongType() != MU_MOD && !Mix_RegisterEffect(MIX_CHANNEL_POST, count_music_bytes, NULL, NULL))
 			CONS_Alert(CONS_WARNING, "Error registering SDL music position counter: %s\n", Mix_GetError());
 	}
 
@@ -1250,14 +1237,7 @@ void I_SetMusicVolume(int volume)
 	if (!I_SongPlaying())
 		return;
 
-#ifdef _WIN32
-	if (I_SongType() == MU_MID)
-		// HACK: Until we stop using native MIDI,
-		// disable volume changes
-		music_volume = 31;
-	else
-#endif
-		music_volume = volume;
+	music_volume = volume;
 
 	Mix_VolumeMusic(get_real_volume(music_volume));
 }
diff --git a/src/sdl/sdl_sound.c b/src/sdl/sdl_sound.c
index ad3486219..6cee7161b 100644
--- a/src/sdl/sdl_sound.c
+++ b/src/sdl/sdl_sound.c
@@ -195,7 +195,7 @@ static void Snd_LockAudio(void) //Alam: Lock audio data and uninstall audio call
 {
 	if (Snd_Mutex) SDL_LockMutex(Snd_Mutex);
 	else if (sound_disabled) return;
-	else if (midi_disabled && digital_disabled
+	else if (digital_disabled
 #ifdef HW3SOUND
 	         && hws_mode == HWS_DEFAULT_MODE
 #endif
@@ -209,7 +209,7 @@ static void Snd_UnlockAudio(void) //Alam: Unlock audio data and reinstall audio
 {
 	if (Snd_Mutex) SDL_UnlockMutex(Snd_Mutex);
 	else if (sound_disabled) return;
-	else if (midi_disabled && digital_disabled
+	else if (digital_disabled
 #ifdef HW3SOUND
 	         && hws_mode == HWS_DEFAULT_MODE
 #endif
@@ -1153,7 +1153,7 @@ void I_ShutdownSound(void)
 	}
 #endif
 
-	if (midi_disabled && digital_disabled)
+	if (digital_disabled)
 		SDL_CloseAudio();
 	CONS_Printf("%s", M_GetText("shut down\n"));
 	sound_started = false;
diff --git a/src/w_wad.c b/src/w_wad.c
index 54ae7fb26..89802d23a 100644
--- a/src/w_wad.c
+++ b/src/w_wad.c
@@ -1707,7 +1707,6 @@ int W_VerifyNMUSlumps(const char *filename)
 {
 	lumpchecklist_t NMUSlist[] =
 	{
-		{"D_", 2}, // MIDI music
 		{"O_", 2}, // Digital music
 		{"DS", 2}, // Sound effects