diff --git a/src/devices/bus/nes/mmc5.cpp b/src/devices/bus/nes/mmc5.cpp
index 3fb4a29e0a7..d5ca929c1eb 100644
--- a/src/devices/bus/nes/mmc5.cpp
+++ b/src/devices/bus/nes/mmc5.cpp
@@ -18,9 +18,6 @@
 #include "emu.h"
 #include "mmc5.h"
 
-#include "video/ppu2c0x.h"      // this has to be included so that IRQ functions can access ppu2c0x_device::BOTTOM_VISIBLE_SCANLINE
-#include "sound/nes_apu.h"  // temp hack to pass the additional sound regs to APU...
-
 
 #ifdef NES_PCB_DEBUG
 #define VERBOSE 1
diff --git a/src/devices/bus/nes/mmc5.h b/src/devices/bus/nes/mmc5.h
index e78bd36aa2f..c0c07cb07a9 100644
--- a/src/devices/bus/nes/mmc5.h
+++ b/src/devices/bus/nes/mmc5.h
@@ -7,9 +7,9 @@
 
 #include "nxrom.h"
 
+#include "sound/nes_apu.h"  // temp hack to pass the additional sound regs to APU...
+#include "video/ppu2c0x.h"  // this has to be included so that IRQ functions can access ppu2c0x_device::BOTTOM_VISIBLE_SCANLINE
 
-class ppu2c0x_device;
-class nesapu_device;
 
 // ======================> nes_exrom_device