diff --git a/sdk/include/ddk/d3dkmthk.h b/sdk/include/ddk/d3dkmthk.h
index bc38231299548..1ab3524f69aaa 100644
--- a/sdk/include/ddk/d3dkmthk.h
+++ b/sdk/include/ddk/d3dkmthk.h
@@ -29,7 +29,7 @@ typedef OBJECT_ATTRIBUTES *POBJECT_ATTRIBUTES;
 // Available only for Vista (LONGHORN) and later and for
 // multiplatform tools such as debugger extensions
 //
-#if (NTDDI_VERSION >= NTDDI_LONGHORN) || defined(D3DKMDT_SPECIAL_MULTIPLATFORM_TOOL)
+#ifdef __REACTOS__
 
 typedef struct _D3DKMT_CREATEDEVICEFLAGS
 {
@@ -5649,12 +5649,6 @@ typedef _Check_return_ NTSTATUS (APIENTRY *PFND3DKMT_CANCELPRESENTS)(_In_ D3DKMT
 
 #endif
 
-EXTERN_C _Check_return_ NTSTATUS APIENTRY D3DKMTShareObjectWithHost(_Inout_ D3DKMT_SHAREOBJECTWITHHOST*);
-EXTERN_C _Check_return_ NTSTATUS APIENTRY D3DKMTCreateSyncFile(_Inout_ D3DKMT_CREATESYNCFILE*);
-
-// Used in WSL to close the internal file descriptor to /dev/dxg
-EXTERN_C VOID APIENTRY D3DKMTCloseDxCoreDevice();
-
 #if !defined(D3DKMDT_SPECIAL_MULTIPLATFORM_TOOL)
 
 #ifdef __cplusplus
diff --git a/sdk/include/psdk/d3dkmdt.h b/sdk/include/psdk/d3dkmdt.h
index 3699f6f05b9d7..e536803d54185 100644
--- a/sdk/include/psdk/d3dkmdt.h
+++ b/sdk/include/psdk/d3dkmdt.h
@@ -24,7 +24,10 @@
 
 #include "d3dukmdt.h"
 
-#define NTSTATUS                int32_t
+#ifndef NTSTATUS
+#define NTSTATUS                UINT32
+#endif
+
 
 /*
  * Some of the Windows return codes, which needs to be translated to Linux
@@ -32,6 +35,7 @@
  * returned from the driver IOCTLs. libdxcore.so depends on returning
  * specific return codes.
  */
+#ifndef STATUS_SUCCESS
 #define STATUS_SUCCESS					((NTSTATUS)(0))
 #define	STATUS_OBJECT_NAME_INVALID		((NTSTATUS)(0xC0000033L))
 #define	STATUS_DEVICE_REMOVED			((NTSTATUS)(0xC00002B6L))
@@ -52,27 +56,7 @@
 #define STATUS_UNSUCCESSFUL             ((NTSTATUS)(0xC0000001L))
 #define STATUS_INVALID_PARAMETER        ((NTSTATUS)(0xC000000DL))
 #define NT_SUCCESS(status)              (status >= 0)
-
-typedef enum {
-    PowerActionNone = 0,
-    PowerActionReserved,
-    PowerActionSleep,
-    PowerActionHibernate,
-    PowerActionShutdown,
-    PowerActionShutdownReset,
-    PowerActionShutdownOff,
-    PowerActionWarmEject,
-    PowerActionDisplayOff
-} POWER_ACTION, *PPOWER_ACTION;
-
-typedef enum _DEVICE_POWER_STATE {
-    PowerDeviceUnspecified = 0,
-    PowerDeviceD0,
-    PowerDeviceD1,
-    PowerDeviceD2,
-    PowerDeviceD3,
-    PowerDeviceMaximum
-} DEVICE_POWER_STATE, *PDEVICE_POWER_STATE;
+#endif
 
 #pragma region Desktop Family
 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
@@ -85,7 +69,7 @@ typedef enum _DEVICE_POWER_STATE {
 // Available only for Vista (LONGHORN) and later and for
 // multiplatform tools such as debugger extensions
 //
-#if (NTDDI_VERSION >= NTDDI_LONGHORN) || defined(D3DKMDT_SPECIAL_MULTIPLATFORM_TOOL)
+#ifdef __REACTOS__
 
 //
 // Hardcoded overlay count
diff --git a/sdk/include/psdk/d3dukmdt.h b/sdk/include/psdk/d3dukmdt.h
index d8b1128d3811e..85a5fd0dd7b5d 100644
--- a/sdk/include/psdk/d3dukmdt.h
+++ b/sdk/include/psdk/d3dukmdt.h
@@ -76,7 +76,7 @@
             )
 
 #if !defined(DXGKDDI_INTERFACE_VERSION)
-#define DXGKDDI_INTERFACE_VERSION           DXGKDDI_INTERFACE_VERSION_WDDM3_0
+#define DXGKDDI_INTERFACE_VERSION           DXGKDDI_INTERFACE_VERSION_VISTA_SP1
 #endif // !defined(DXGKDDI_INTERFACE_VERSION)
 
 #define D3D_UMD_INTERFACE_VERSION_VISTA      0x000C
@@ -138,7 +138,7 @@
 // Search for D3D_UMD_INTERFACE_VERSION across all depots to ensure all dependencies are updated.
 
 #if !defined(D3D_UMD_INTERFACE_VERSION)
-#define D3D_UMD_INTERFACE_VERSION           D3D_UMD_INTERFACE_VERSION_WDDM3_0
+#define D3D_UMD_INTERFACE_VERSION           D3D_UMD_INTERFACE_VERSION_VISTA
 #endif // !defined(D3D_UMD_INTERFACE_VERSION)
 
 //
@@ -194,7 +194,7 @@ typedef union _D3DKMT_PTR_TYPE
 // Available only for Vista (LONGHORN) and later and for
 // multiplatform tools such as debugger extensions
 //
-#if (NTDDI_VERSION >= NTDDI_LONGHORN) || defined(D3DKMDT_SPECIAL_MULTIPLATFORM_TOOL)
+#ifdef __REACTOS__
 
 typedef ULONGLONG D3DGPU_VIRTUAL_ADDRESS;
 typedef ULONGLONG D3DGPU_SIZE_T;