diff --git a/reactos/dll/win32/user32/windows/nonclient.c b/reactos/dll/win32/user32/windows/nonclient.c
index 9f6caf3063c..da9b62dccf8 100644
--- a/reactos/dll/win32/user32/windows/nonclient.c
+++ b/reactos/dll/win32/user32/windows/nonclient.c
@@ -265,8 +265,6 @@ UserDrawCaptionButtonWnd(HWND hWnd, HDC hDC, BOOL bDown, ULONG Type)
    will cause clipRgn to be deleted after ReleaseDC().
    Now, how is the "system" supposed to tell what happened?
  */
-#define DCX_USESTYLE     0x00010000
-#define DCX_KEEPCLIPRGN  0x00040000 // <-- You do this!
 /*
  * FIXME:
  * - Drawing of WS_BORDER after scrollbars
diff --git a/reactos/include/reactos/win32k/ntuser.h b/reactos/include/reactos/win32k/ntuser.h
index fba9c3f29c8..1d81fa3795c 100644
--- a/reactos/include/reactos/win32k/ntuser.h
+++ b/reactos/include/reactos/win32k/ntuser.h
@@ -496,6 +496,11 @@ typedef struct _USERCONNECT
 #define WM_SYSTIMER 280
 #define WM_POPUPSYSTEMMENU 787
 
+//
+// Non SDK DCE types.
+//
+#define DCX_USESTYLE     0x00010000
+#define DCX_KEEPCLIPRGN  0x00040000
 
 DWORD
 NTAPI
diff --git a/reactos/subsystems/win32/win32k/include/dce.h b/reactos/subsystems/win32/win32k/include/dce.h
index c1ef15bb3e8..568196e7598 100644
--- a/reactos/subsystems/win32/win32k/include/dce.h
+++ b/reactos/subsystems/win32/win32k/include/dce.h
@@ -41,8 +41,6 @@ typedef struct tagDCE
 #define DCX_DCEDIRTY		0x00002000
 #define DCX_LAYEREDWIN		0x00004000
 #define DCX_DCPOWNED		0x00008000
-#define DCX_USESTYLE		0x00010000
-#define DCX_KEEPCLIPRGN		0x00040000
 #define DCX_NOCLIPCHILDREN	0x00080000
 #define DCX_NORECOMPUTE		0x00100000