diff --git a/reactos/include/ddk/winddi.h b/reactos/include/ddk/winddi.h
index 751ae992dd6..84f4d37431b 100644
--- a/reactos/include/ddk/winddi.h
+++ b/reactos/include/ddk/winddi.h
@@ -3818,12 +3818,6 @@ typedef BOOL
   IN POINTL  *pptlBrushOrg,
   IN MIX  mix);
 
-typedef VOID 
-(APIENTRY *PFN_DrvMovePanning)(
-  IN LONG    x,
-  IN LONG    y,
-  IN FLONG   fl);
-
 typedef BOOL
 (APIENTRY *PFN_DrvPlgBlt)(
   IN SURFOBJ  *psoTrg,
diff --git a/reactos/include/reactos/win32k/ntgdityp.h b/reactos/include/reactos/win32k/ntgdityp.h
index 56ea628e092..08987867200 100644
--- a/reactos/include/reactos/win32k/ntgdityp.h
+++ b/reactos/include/reactos/win32k/ntgdityp.h
@@ -568,7 +568,13 @@ typedef BOOL (NTAPI *PGD_GRADIENTFILL)(SURFOBJ*, CLIPOBJ*, XLATEOBJ*, TRIVERTEX*
 typedef VOID (NTAPI *PGD_SYNCHRONIZESURFACE)(SURFOBJ*, RECTL *, FLONG);
 
 //
-// Most of these are definded in ddk/winddi.h
+// Declarations missing in ddk/winddi.h
+//
+typedef VOID (APIENTRY *PFN_DrvMovePanning)(LONG, LONG, FLONG);
+
+
+//
+// Most of these are defined in ddk/winddi.h
 //
 typedef struct _DRIVER_FUNCTIONS
 {