diff --git a/hw/audio/ac97.c b/hw/audio/ac97.c
index b173835..cbd959e 100644
--- a/hw/audio/ac97.c
+++ b/hw/audio/ac97.c
@@ -17,6 +17,7 @@
  * GNU GPL, version 2 or (at your option) any later version.
  */
 
+#include "qemu/osdep.h"
 #include "hw/hw.h"
 #include "hw/audio/audio.h"
 #include "audio/audio.h"
diff --git a/hw/audio/adlib.c b/hw/audio/adlib.c
index 334935f..1270b19 100644
--- a/hw/audio/adlib.c
+++ b/hw/audio/adlib.c
@@ -22,6 +22,7 @@
  * THE SOFTWARE.
  */
 
+#include "qemu/osdep.h"
 #include "hw/hw.h"
 #include "hw/audio/audio.h"
 #include "audio/audio.h"
diff --git a/hw/audio/cs4231.c b/hw/audio/cs4231.c
index 6325a8c..caf97c1 100644
--- a/hw/audio/cs4231.c
+++ b/hw/audio/cs4231.c
@@ -22,6 +22,7 @@
  * THE SOFTWARE.
  */
 
+#include "qemu/osdep.h"
 #include "hw/sysbus.h"
 #include "trace.h"
 
diff --git a/hw/audio/cs4231a.c b/hw/audio/cs4231a.c
index f96f561..b0c7c93 100644
--- a/hw/audio/cs4231a.c
+++ b/hw/audio/cs4231a.c
@@ -21,6 +21,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+#include "qemu/osdep.h"
 #include "hw/hw.h"
 #include "hw/audio/audio.h"
 #include "audio/audio.h"
diff --git a/hw/audio/es1370.c b/hw/audio/es1370.c
index 592578b..96acbc6 100644
--- a/hw/audio/es1370.c
+++ b/hw/audio/es1370.c
@@ -26,6 +26,7 @@
 /* #define VERBOSE_ES1370 */
 #define SILENT_ES1370
 
+#include "qemu/osdep.h"
 #include "hw/hw.h"
 #include "hw/audio/audio.h"
 #include "audio/audio.h"
diff --git a/hw/audio/fmopl.c b/hw/audio/fmopl.c
index 81c0c1b..731110f 100644
--- a/hw/audio/fmopl.c
+++ b/hw/audio/fmopl.c
@@ -32,10 +32,7 @@
 
 #define HAS_YM3812	1
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdarg.h>
+#include "qemu/osdep.h"
 #include <math.h>
 //#include "driver.h"		/* use M.A.M.E. */
 #include "fmopl.h"
diff --git a/hw/audio/gus.c b/hw/audio/gus.c
index e0c8a4e..47c0fcf 100644
--- a/hw/audio/gus.c
+++ b/hw/audio/gus.c
@@ -21,6 +21,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+#include "qemu/osdep.h"
 #include "hw/hw.h"
 #include "hw/audio/audio.h"
 #include "audio/audio.h"
diff --git a/hw/audio/gusemu_hal.c b/hw/audio/gusemu_hal.c
index 6096690..973d6b9 100644
--- a/hw/audio/gusemu_hal.c
+++ b/hw/audio/gusemu_hal.c
@@ -26,6 +26,7 @@
  * TODO: check mixer: see 7.20 of sdk for panning pos (applies to all gus models?)?
  */
 
+#include "qemu/osdep.h"
 #include "gustate.h"
 #include "gusemu.h"
 
diff --git a/hw/audio/gusemu_mixer.c b/hw/audio/gusemu_mixer.c
index 6d8d9ce..701e8fb 100644
--- a/hw/audio/gusemu_mixer.c
+++ b/hw/audio/gusemu_mixer.c
@@ -22,6 +22,7 @@
  * THE SOFTWARE.
  */
 
+#include "qemu/osdep.h"
 #include "gusemu.h"
 #include "gustate.h"
 
diff --git a/hw/audio/hda-codec.c b/hw/audio/hda-codec.c
index 3c03ff5..52d4640 100644
--- a/hw/audio/hda-codec.c
+++ b/hw/audio/hda-codec.c
@@ -17,6 +17,7 @@
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "qemu/osdep.h"
 #include "hw/hw.h"
 #include "hw/pci/pci.h"
 #include "intel-hda.h"
diff --git a/hw/audio/intel-hda.c b/hw/audio/intel-hda.c
index 433463e..d372d4a 100644
--- a/hw/audio/intel-hda.c
+++ b/hw/audio/intel-hda.c
@@ -17,6 +17,7 @@
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "qemu/osdep.h"
 #include "hw/hw.h"
 #include "hw/pci/pci.h"
 #include "hw/pci/msi.h"
diff --git a/hw/audio/lm4549.c b/hw/audio/lm4549.c
index 380ef60..a46f230 100644
--- a/hw/audio/lm4549.c
+++ b/hw/audio/lm4549.c
@@ -13,6 +13,7 @@
  * It supports only one playback voice and no record voice.
  */
 
+#include "qemu/osdep.h"
 #include "hw/hw.h"
 #include "audio/audio.h"
 #include "lm4549.h"
@@ -33,7 +34,6 @@
 #endif
 
 #if defined(LM4549_DUMP_DAC_INPUT)
-#include <stdio.h>
 static FILE *fp_dac_input;
 #endif
 
diff --git a/hw/audio/marvell_88w8618.c b/hw/audio/marvell_88w8618.c
index 8699267..a6ca180 100644
--- a/hw/audio/marvell_88w8618.c
+++ b/hw/audio/marvell_88w8618.c
@@ -9,6 +9,7 @@
  * Contributions after 2012-01-13 are licensed under the terms of the
  * GNU GPL, version 2 or (at your option) any later version.
  */
+#include "qemu/osdep.h"
 #include "hw/sysbus.h"
 #include "hw/hw.h"
 #include "hw/i2c/i2c.h"
diff --git a/hw/audio/milkymist-ac97.c b/hw/audio/milkymist-ac97.c
index 28f55e8..6a3b536 100644
--- a/hw/audio/milkymist-ac97.c
+++ b/hw/audio/milkymist-ac97.c
@@ -21,6 +21,7 @@
  *   http://www.milkymist.org/socdoc/ac97.pdf
  */
 
+#include "qemu/osdep.h"
 #include "hw/hw.h"
 #include "hw/sysbus.h"
 #include "trace.h"
diff --git a/hw/audio/pcspk.c b/hw/audio/pcspk.c
index 5266fb5..f9afc8e 100644
--- a/hw/audio/pcspk.c
+++ b/hw/audio/pcspk.c
@@ -22,6 +22,7 @@
  * THE SOFTWARE.
  */
 
+#include "qemu/osdep.h"
 #include "hw/hw.h"
 #include "hw/i386/pc.h"
 #include "hw/isa/isa.h"
diff --git a/hw/audio/pl041.c b/hw/audio/pl041.c
index 19982f2..4717bc9 100644
--- a/hw/audio/pl041.c
+++ b/hw/audio/pl041.c
@@ -20,6 +20,7 @@
  *
  */
 
+#include "qemu/osdep.h"
 #include "hw/sysbus.h"
 
 #include "pl041.h"
diff --git a/hw/audio/sb16.c b/hw/audio/sb16.c
index 995435f..3b2dcfd 100644
--- a/hw/audio/sb16.c
+++ b/hw/audio/sb16.c
@@ -21,6 +21,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+#include "qemu/osdep.h"
 #include "hw/hw.h"
 #include "hw/audio/audio.h"
 #include "audio/audio.h"
diff --git a/hw/audio/wm8750.c b/hw/audio/wm8750.c
index b50b331..0c6500e 100644
--- a/hw/audio/wm8750.c
+++ b/hw/audio/wm8750.c
@@ -7,6 +7,7 @@
  * This file is licensed under GNU GPL.
  */
 
+#include "qemu/osdep.h"
 #include "hw/hw.h"
 #include "hw/i2c/i2c.h"
 #include "audio/audio.h"