diff --git a/reactos/drivers/dd/sndblst/portio.c b/reactos/drivers/dd/sndblst/portio.c
index 66ff60c600e..8c475742440 100644
--- a/reactos/drivers/dd/sndblst/portio.c
+++ b/reactos/drivers/dd/sndblst/portio.c
@@ -9,7 +9,6 @@
  *                       Sept 28, 2003: Created
  */
 
-#include <windows.h>
 #include <ddk/ntddk.h>
 #include "sndblst.h"
 
diff --git a/reactos/drivers/dd/sndblst/settings.c b/reactos/drivers/dd/sndblst/settings.c
index 71d6ec49969..0927a78e734 100644
--- a/reactos/drivers/dd/sndblst/settings.c
+++ b/reactos/drivers/dd/sndblst/settings.c
@@ -10,7 +10,6 @@
  */
 
 #include <ntddk.h>
-#include <windows.h>
 #include "sndblst.h"
 #include "sbdebug.h"  // our own debug helper
 
diff --git a/reactos/drivers/dd/sndblst/sndblst.xml b/reactos/drivers/dd/sndblst/sndblst.xml
index 4f93ed42ab6..642c7042f02 100644
--- a/reactos/drivers/dd/sndblst/sndblst.xml
+++ b/reactos/drivers/dd/sndblst/sndblst.xml
@@ -1,5 +1,6 @@
 <module name="sndblst" type="kernelmodedriver" warnings="true">
 	<include base="sndblst">.</include>
+	<define name="__USE_W32API" />
 	<library>ntoskrnl</library>
 	<library>hal</library>
 	<file>card.c</file>