diff --git a/src/burn/burnint.h b/src/burn/burnint.h
index 172f52a80..e094f8140 100644
--- a/src/burn/burnint.h
+++ b/src/burn/burnint.h
@@ -18,6 +18,7 @@
 #endif
 
 #include "burn.h"
+#include "burn_sound.h"
 
 #ifdef LSB_FIRST
 typedef union
diff --git a/src/burn/drv/capcom/qs_c.cpp b/src/burn/drv/capcom/qs_c.cpp
index d246da6a8..c78dd78da 100644
--- a/src/burn/drv/capcom/qs_c.cpp
+++ b/src/burn/drv/capcom/qs_c.cpp
@@ -3,7 +3,6 @@
 #include <math.h>
 #include <stddef.h>
 #include "cps.h"
-#include "burn_sound.h"
 
 static const INT32 nQscClock = 4000000;
 static const INT32 nQscClockDivider = 166;
diff --git a/src/burn/drv/galaxian/gal.h b/src/burn/drv/galaxian/gal.h
index d6ecdde33..69da541d9 100644
--- a/src/burn/drv/galaxian/gal.h
+++ b/src/burn/drv/galaxian/gal.h
@@ -1,5 +1,4 @@
 #include "tiles_generic.h"
-#include "burn_sound.h"
 #include "z80_intf.h"
 #include "dac.h"
 #include "8255ppi.h"
diff --git a/src/burn/drv/pre90s/d_bzone.cpp b/src/burn/drv/pre90s/d_bzone.cpp
index 782aa0087..ca2276cc7 100644
--- a/src/burn/drv/pre90s/d_bzone.cpp
+++ b/src/burn/drv/pre90s/d_bzone.cpp
@@ -16,7 +16,6 @@
 #include "earom.h"
 #include "redbaron.h" // audio custom
 #include "bzone.h" // audio custom
-#include "burn_sound.h" // dc filter
 
 static UINT8 *AllMem;
 static UINT8 *MemEnd;
diff --git a/src/burn/drv/pre90s/d_mappy.cpp b/src/burn/drv/pre90s/d_mappy.cpp
index 1c356c49d..9dac599ef 100644
--- a/src/burn/drv/pre90s/d_mappy.cpp
+++ b/src/burn/drv/pre90s/d_mappy.cpp
@@ -7,7 +7,6 @@
 #include "namcoio.h"
 #include "bitswap.h"
 #include "dac.h"
-#include "burn_sound.h" // dc filter
 
 static UINT8 *AllMem;
 static UINT8 *MemEnd;
diff --git a/src/burn/snd/burn_md2612.cpp b/src/burn/snd/burn_md2612.cpp
index 40c0ed07f..ad29efd4b 100644
--- a/src/burn/snd/burn_md2612.cpp
+++ b/src/burn/snd/burn_md2612.cpp
@@ -2,7 +2,6 @@
 // Note: if a mono route is needed (in the future), uncomment in the main render loop.
 
 #include "burnint.h"
-#include "burn_sound.h"
 #include "burn_md2612.h"
 
 void (*BurnMD2612Update)(INT16* pSoundBuf, INT32 nSegmentEnd);
diff --git a/src/burn/snd/burn_y8950.cpp b/src/burn/snd/burn_y8950.cpp
index 41ee95ff8..3e0dfc310 100644
--- a/src/burn/snd/burn_y8950.cpp
+++ b/src/burn/snd/burn_y8950.cpp
@@ -1,5 +1,4 @@
 #include "burnint.h"
-#include "burn_sound.h"
 #include "burn_y8950.h"
 
 // Timer Related
diff --git a/src/burn/snd/burn_ym2151.cpp b/src/burn/snd/burn_ym2151.cpp
index 5125f7a8e..839bb4331 100644
--- a/src/burn/snd/burn_ym2151.cpp
+++ b/src/burn/snd/burn_ym2151.cpp
@@ -1,6 +1,5 @@
 // FBAlpha YM-2151 sound core interface
 #include "burnint.h"
-#include "burn_sound.h"
 #include "burn_ym2151.h"
 
 // Irq Callback timing notes..
diff --git a/src/burn/snd/burn_ym2203.cpp b/src/burn/snd/burn_ym2203.cpp
index 6c6155be7..68e071927 100644
--- a/src/burn/snd/burn_ym2203.cpp
+++ b/src/burn/snd/burn_ym2203.cpp
@@ -1,5 +1,4 @@
 #include "burnint.h"
-#include "burn_sound.h"
 #include "burn_ym2203.h"
 
 #define MAX_YM2203	3
diff --git a/src/burn/snd/burn_ym2413.cpp b/src/burn/snd/burn_ym2413.cpp
index c61aee722..b117618ac 100644
--- a/src/burn/snd/burn_ym2413.cpp
+++ b/src/burn/snd/burn_ym2413.cpp
@@ -1,5 +1,4 @@
 #include "burnint.h"
-#include "burn_sound.h"
 #include "burn_ym2413.h"
 
 void (*BurnYM2413Render)(INT16* pSoundBuf, INT32 nSegmentLength);
diff --git a/src/burn/snd/burn_ym2608.cpp b/src/burn/snd/burn_ym2608.cpp
index 20019b950..998aff955 100644
--- a/src/burn/snd/burn_ym2608.cpp
+++ b/src/burn/snd/burn_ym2608.cpp
@@ -1,5 +1,4 @@
 #include "burnint.h"
-#include "burn_sound.h"
 #include "burn_ym2608.h"
 
 void (*BurnYM2608Update)(INT16* pSoundBuf, INT32 nSegmentEnd);
diff --git a/src/burn/snd/burn_ym2610.cpp b/src/burn/snd/burn_ym2610.cpp
index e7b5f10e6..a40990f48 100644
--- a/src/burn/snd/burn_ym2610.cpp
+++ b/src/burn/snd/burn_ym2610.cpp
@@ -1,5 +1,4 @@
 #include "burnint.h"
-#include "burn_sound.h"
 #include "burn_ym2610.h"
 
 void (*BurnYM2610Update)(INT16* pSoundBuf, INT32 nSegmentEnd);
diff --git a/src/burn/snd/burn_ym2612.cpp b/src/burn/snd/burn_ym2612.cpp
index a2ebe867e..fc994054b 100644
--- a/src/burn/snd/burn_ym2612.cpp
+++ b/src/burn/snd/burn_ym2612.cpp
@@ -1,5 +1,4 @@
 #include "burnint.h"
-#include "burn_sound.h"
 #include "burn_ym2612.h"
 
 #define MAX_YM2612	2
diff --git a/src/burn/snd/burn_ym3526.cpp b/src/burn/snd/burn_ym3526.cpp
index 463f5134e..db55e933d 100644
--- a/src/burn/snd/burn_ym3526.cpp
+++ b/src/burn/snd/burn_ym3526.cpp
@@ -1,5 +1,4 @@
 #include "burnint.h"
-#include "burn_sound.h"
 #include "burn_ym3526.h"
 
 // Timer Related
diff --git a/src/burn/snd/burn_ym3812.cpp b/src/burn/snd/burn_ym3812.cpp
index 7be4a3cec..0cbca8526 100644
--- a/src/burn/snd/burn_ym3812.cpp
+++ b/src/burn/snd/burn_ym3812.cpp
@@ -1,5 +1,4 @@
 #include "burnint.h"
-#include "burn_sound.h"
 #include "burn_ym3812.h"
 
 #define MAX_YM3812	2
diff --git a/src/burn/snd/burn_ymf278b.cpp b/src/burn/snd/burn_ymf278b.cpp
index ae1e8929e..42b1c3a9c 100644
--- a/src/burn/snd/burn_ymf278b.cpp
+++ b/src/burn/snd/burn_ymf278b.cpp
@@ -1,5 +1,4 @@
 #include "burnint.h"
-#include "burn_sound.h"
 #include "burn_ymf278b.h"
 
 static INT32 (*BurnYMF278BStreamCallback)(INT32 nSoundRate);
diff --git a/src/burn/snd/c140.cpp b/src/burn/snd/c140.cpp
index 4cd09bb1b..604f81c2c 100644
--- a/src/burn/snd/c140.cpp
+++ b/src/burn/snd/c140.cpp
@@ -47,7 +47,6 @@ Unmapped registers:
 
 
 #include "burnint.h"
-#include "burn_sound.h"
 #include "c140.h"
 
 // --- Future NOTE: if asic219 DOES NOT WORK, this is why!! (line below) -dink
diff --git a/src/burn/snd/dac.cpp b/src/burn/snd/dac.cpp
index 3e01de503..56b8d44a9 100644
--- a/src/burn/snd/dac.cpp
+++ b/src/burn/snd/dac.cpp
@@ -1,5 +1,4 @@
 #include "burnint.h"
-#include "burn_sound.h"
 #include "dac.h"
 
 #define DAC_NUM		(8)	// Maximum DAC chips
diff --git a/src/burn/snd/es5506.cpp b/src/burn/snd/es5506.cpp
index c5964e1e9..6a5a78e5b 100644
--- a/src/burn/snd/es5506.cpp
+++ b/src/burn/snd/es5506.cpp
@@ -87,7 +87,6 @@ Ensoniq OTIS - ES5505                                            Ensoniq OTTO -
 //
 
 #include "burnint.h"
-#include "burn_sound.h"
 #include "es5506.h"
 
 
diff --git a/src/burn/snd/flt_rc.cpp b/src/burn/snd/flt_rc.cpp
index fb006c15d..f5b4661c7 100644
--- a/src/burn/snd/flt_rc.cpp
+++ b/src/burn/snd/flt_rc.cpp
@@ -1,7 +1,6 @@
 // Based on MAME driver by Derrick Renaud, Couriersud
 
 #include "burnint.h"
-#include "burn_sound.h"
 #include "flt_rc.h"
 
 #include <math.h>
diff --git a/src/burn/snd/gaelco.cpp b/src/burn/snd/gaelco.cpp
index 34de217da..76fcbe320 100644
--- a/src/burn/snd/gaelco.cpp
+++ b/src/burn/snd/gaelco.cpp
@@ -34,7 +34,6 @@ Registers per channel:
 ***************************************************************************/
 
 #include "burnint.h"
-#include "burn_sound.h"
 #include "gaelco.h"
 
 #define GAELCO_NUM_CHANNELS     0x07
diff --git a/src/burn/snd/ics2115.cpp b/src/burn/snd/ics2115.cpp
index 8a8e3de82..85e83c8f7 100644
--- a/src/burn/snd/ics2115.cpp
+++ b/src/burn/snd/ics2115.cpp
@@ -16,7 +16,6 @@
 
 
 #include "burnint.h"
-#include "burn_sound.h"
 //#include <cmath>
 
 #include "timer.h"
diff --git a/src/burn/snd/k007232.cpp b/src/burn/snd/k007232.cpp
index b70769aa5..21a2ef2e5 100644
--- a/src/burn/snd/k007232.cpp
+++ b/src/burn/snd/k007232.cpp
@@ -25,7 +25,6 @@ added external port callback, and functions to set the volume of the channels
 
 
 #include "burnint.h"
-#include "burn_sound.h"
 #include "k007232.h"
 
 #define KDAC_A_PCM_MAX	(2)
diff --git a/src/burn/snd/k054539.cpp b/src/burn/snd/k054539.cpp
index a72378a78..bba6889d9 100644
--- a/src/burn/snd/k054539.cpp
+++ b/src/burn/snd/k054539.cpp
@@ -13,7 +13,6 @@
 // Jan 19, 2018: added cubic resampling.
 
 #include "burnint.h"
-#include "burn_sound.h"
 #include "math.h"
 #include "k054539.h"
 
diff --git a/src/burn/snd/msm6295.cpp b/src/burn/snd/msm6295.cpp
index d63fbea16..4274c6498 100644
--- a/src/burn/snd/msm6295.cpp
+++ b/src/burn/snd/msm6295.cpp
@@ -4,7 +4,6 @@
 #include <math.h>
 #include "burnint.h"
 #include "msm6295.h"
-#include "burn_sound.h"
 #include <stddef.h>
 
 UINT8* MSM6295ROM;
diff --git a/src/burn/snd/namco_snd.cpp b/src/burn/snd/namco_snd.cpp
index aee2dc4e8..35f709997 100644
--- a/src/burn/snd/namco_snd.cpp
+++ b/src/burn/snd/namco_snd.cpp
@@ -1,7 +1,6 @@
 // copyright-holders:Nicola Salmoria,Aaron Giles
 
 #include "burnint.h"
-#include "burn_sound.h"
 #include "namco_snd.h"
 
 #define MAX_VOICES 8
diff --git a/src/burn/snd/rf5c68.cpp b/src/burn/snd/rf5c68.cpp
index a31f8815b..3739517a7 100644
--- a/src/burn/snd/rf5c68.cpp
+++ b/src/burn/snd/rf5c68.cpp
@@ -5,7 +5,6 @@
 
 #include "burnint.h"
 #include "rf5c68.h"
-#include "burn_sound.h"
 
 #define NUM_CHANNELS	(8)
 
diff --git a/src/burn/snd/samples.cpp b/src/burn/snd/samples.cpp
index db499bc2b..5d51fec5b 100644
--- a/src/burn/snd/samples.cpp
+++ b/src/burn/snd/samples.cpp
@@ -1,7 +1,6 @@
 // FB Alpha sample player module
 
 #include "burnint.h"
-#include "burn_sound.h"
 #include "samples.h"
 
 #define SAMPLE_DIRECTORY	szAppSamplesPath
diff --git a/src/burn/snd/segapcm.cpp b/src/burn/snd/segapcm.cpp
index 4d5b04252..5841bf394 100644
--- a/src/burn/snd/segapcm.cpp
+++ b/src/burn/snd/segapcm.cpp
@@ -4,7 +4,6 @@
 /*********************************************************/
 
 #include "burnint.h"
-#include "burn_sound.h"
 #include "segapcm.h"
 
 #define MAX_CHIPS		2
diff --git a/src/burn/snd/sn76496.cpp b/src/burn/snd/sn76496.cpp
index e0413a4f4..a95d1c66f 100644
--- a/src/burn/snd/sn76496.cpp
+++ b/src/burn/snd/sn76496.cpp
@@ -1,7 +1,6 @@
 // Based on MAME driver by Nicola Salmoria
 
 #include "burnint.h"
-#include "burn_sound.h"
 #include "sn76496.h"
 #include <stddef.h>
 
diff --git a/src/burn/snd/tms5220.cpp b/src/burn/snd/tms5220.cpp
index 7e967475b..378be90c7 100644
--- a/src/burn/snd/tms5220.cpp
+++ b/src/burn/snd/tms5220.cpp
@@ -12,7 +12,6 @@
 #include <math.h>
 
 #include "burnint.h"
-#include "burn_sound.h"
 #include "tms5220.h"
 
 
diff --git a/src/burn/snd/upd7759.cpp b/src/burn/snd/upd7759.cpp
index 3c20701b9..033fe95bc 100644
--- a/src/burn/snd/upd7759.cpp
+++ b/src/burn/snd/upd7759.cpp
@@ -1,7 +1,6 @@
 // Based on MAME driver by Juergen Buchmueller, Mike Balfour, Howie Cohen, Olivier Galibert, Aaron Giles
 
 #include "burnint.h"
-#include "burn_sound.h"
 #include "upd7759.h"
 
 #define FRAC_BITS			20
diff --git a/src/burn/snd/x1010.cpp b/src/burn/snd/x1010.cpp
index 347f19ba0..7fb48ba21 100644
--- a/src/burn/snd/x1010.cpp
+++ b/src/burn/snd/x1010.cpp
@@ -2,7 +2,6 @@
 
 #include "burnint.h"
 #include "msm6295.h"
-#include "burn_sound.h"
 #include "x1010.h"
 
 UINT8 *X1010SNDROM;
diff --git a/src/burn/snd/ymz280b.cpp b/src/burn/snd/ymz280b.cpp
index 04767ba14..bce4e597f 100644
--- a/src/burn/snd/ymz280b.cpp
+++ b/src/burn/snd/ymz280b.cpp
@@ -4,7 +4,6 @@
 #include <math.h>
 #include "burnint.h"
 #include "ymz280b.h"
-#include "burn_sound.h"
 
 static INT32 nYMZ280BSampleRate;
 bool bESPRaDeMixerKludge = false;