diff --git a/reactos/dll/win32/shell32/shell32_main.h b/reactos/dll/win32/shell32/shell32_main.h
index 593f6c07be3..73e8e49f193 100644
--- a/reactos/dll/win32/shell32/shell32_main.h
+++ b/reactos/dll/win32/shell32/shell32_main.h
@@ -112,11 +112,6 @@ HRESULT WINAPI IAutoComplete_Constructor(IUnknown * pUnkOuter, REFIID riid, LPVO
 LPEXTRACTICONA	IExtractIconA_Constructor(LPCITEMIDLIST);
 LPEXTRACTICONW	IExtractIconW_Constructor(LPCITEMIDLIST);
 
-/* menu merging */
-#define MM_ADDSEPARATOR         0x00000001L
-#define MM_SUBMENUSHAVEIDS      0x00000002L
-HRESULT WINAPI Shell_MergeMenus (HMENU hmDst, HMENU hmSrc, UINT uInsert, UINT uIDAdjust, UINT uIDAdjustMax, ULONG uFlags);
-
 /* initialisation for FORMATETC */
 #define InitFormatEtc(fe, cf, med) \
 	{\
diff --git a/reactos/include/psdk/shlobj.h b/reactos/include/psdk/shlobj.h
index 079be83faac..e0802101cad 100644
--- a/reactos/include/psdk/shlobj.h
+++ b/reactos/include/psdk/shlobj.h
@@ -1372,6 +1372,15 @@ HRESULT      WINAPI ILSaveToStream(LPSTREAM,LPCITEMIDLIST);
 
 #include <poppack.h>
 
+
+/* menu merging */
+#define MM_ADDSEPARATOR         0x00000001L
+#define MM_SUBMENUSHAVEIDS      0x00000002L
+#define MM_DONTREMOVESEPS       0x00000004L
+
+HRESULT WINAPI Shell_MergeMenus (HMENU hmDst, HMENU hmSrc, UINT uInsert, UINT uIDAdjust, UINT uIDAdjustMax, ULONG uFlags);
+
+
 /****************************************************************************
  * SHCreateDefaultContextMenu API
  */