Removed non-standard header includes.
diff --git a/include/dbghelp.h b/include/dbghelp.h
index bfebeec..5c8b441 100644
--- a/include/dbghelp.h
+++ b/include/dbghelp.h
@@ -21,10 +21,6 @@
#ifndef __WINE_DBGHELP_H
#define __WINE_DBGHELP_H
-#include <windef.h>
-#include <winbase.h>
-#include <ver.h>
-
#ifdef __cplusplus
extern "C" {
#endif /* defined(__cplusplus) */
diff --git a/include/digitalv.h b/include/digitalv.h
index c0f59e8..0930625 100644
--- a/include/digitalv.h
+++ b/include/digitalv.h
@@ -23,9 +23,6 @@
* Wine Digital Video extensions
*/
-#include <mmsystem.h>
-#include <windef.h>
-
#ifdef __cplusplus
extern "C" {
#endif
diff --git a/include/winioctl.h b/include/winioctl.h
index bca97d4..20e3417 100644
--- a/include/winioctl.h
+++ b/include/winioctl.h
@@ -19,8 +19,6 @@
#ifndef __WINE_WINIOCTL_H
#define __WINE_WINIOCTL_H
-#include <winnt.h>
-
#define CTL_CODE( DeviceType, Function, Method, Access ) ( \
(DWORD)((DeviceType) << 16) | ((Access) << 14) | ((Function) << 2) | (Method) \
)