diff --git a/include/ole2.h b/include/ole2.h
index 37aa8087f6a..5dcd5fa254b 100644
--- a/include/ole2.h
+++ b/include/ole2.h
@@ -127,6 +127,9 @@ typedef struct _OLESTREAM {
 HRESULT     WINAPI OleConvertOLESTREAMToIStorage( LPOLESTREAM lpolestream, LPSTORAGE pstg, const DVTARGETDEVICE* ptd);
 HRESULT     WINAPI OleConvertIStorageToOLESTREAM( LPSTORAGE pstg, LPOLESTREAM lpolestream);
 
+HRESULT     WINAPI OleGetAutoConvert( REFCLSID clsidOld, LPCLSID pClsidNew );
+HRESULT     WINAPI OleSetAutoConvert( REFCLSID clsidOld, REFCLSID clsidNew );
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif /* defined(__cplusplus) */
diff --git a/include/oleauto.h b/include/oleauto.h
index cf97fdf0e76..2a27d88ebac 100644
--- a/include/oleauto.h
+++ b/include/oleauto.h
@@ -547,6 +547,9 @@ typedef enum tagREGKIND
 
 INT WINAPI DosDateTimeToVariantTime(USHORT,USHORT,DATE*);
 
+ULONG WINAPI LHashValOfNameSysA(SYSKIND syskind,LCID lcid,LPCSTR* szName);
+ULONG WINAPI LHashValOfNameSys (SYSKIND syskind,LCID lcid,LPCOLESTR szName);
+
 HRESULT WINAPI DispGetParam(DISPPARAMS* pdispparams, UINT position,
             VARTYPE vtTarg, VARIANT* pvarResult, UINT* puArgErr);
 HRESULT WINAPI DispGetIDsOfNames(ITypeInfo* ptinfo, OLECHAR** rgszNames,