diff --git a/reactos/drivers/wdm/audio/legacy/wdmaud/mmixer.c b/reactos/drivers/wdm/audio/legacy/wdmaud/mmixer.c
index 3cc125b73d1..942ecd23d9b 100644
--- a/reactos/drivers/wdm/audio/legacy/wdmaud/mmixer.c
+++ b/reactos/drivers/wdm/audio/legacy/wdmaud/mmixer.c
@@ -8,6 +8,8 @@
 
 #include "wdmaud.h"
 
+#include <mmixer.h>
+
 #define NDEBUG
 #include <debug.h>
 
diff --git a/reactos/drivers/wdm/audio/legacy/wdmaud/sup.c b/reactos/drivers/wdm/audio/legacy/wdmaud/sup.c
index 3e2b23d715d..c7c33a53005 100644
--- a/reactos/drivers/wdm/audio/legacy/wdmaud/sup.c
+++ b/reactos/drivers/wdm/audio/legacy/wdmaud/sup.c
@@ -9,6 +9,8 @@
 
 #include "wdmaud.h"
 
+#include <stdio.h>
+
 #define NDEBUG
 #include <debug.h>
 
diff --git a/reactos/drivers/wdm/audio/legacy/wdmaud/wdmaud.h b/reactos/drivers/wdm/audio/legacy/wdmaud/wdmaud.h
index caf0175dfb0..8f7b80cdad1 100644
--- a/reactos/drivers/wdm/audio/legacy/wdmaud/wdmaud.h
+++ b/reactos/drivers/wdm/audio/legacy/wdmaud/wdmaud.h
@@ -1,14 +1,5 @@
-#include <pseh/pseh2.h>
-#include <ntddk.h>
 #include <portcls.h>
-#include <ks.h>
-#include <ksmedia.h>
-#include <mmreg.h>
 #include <mmsystem.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <wchar.h>
-#include "mmixer.h"
 
 #include "interface.h"