diff --git a/reactos/dll/win32/wbemdisp/locator.c b/reactos/dll/win32/wbemdisp/locator.c
index 2c49430ce1e..a6704c6bb90 100644
--- a/reactos/dll/win32/wbemdisp/locator.c
+++ b/reactos/dll/win32/wbemdisp/locator.c
@@ -239,11 +239,11 @@ static const ISWbemLocatorVtbl locator_vtbl =
     locator_get_Security_
 };
 
-HRESULT SWbemLocator_create( IUnknown *unk, void **obj )
+HRESULT SWbemLocator_create( void **obj )
 {
     struct locator *locator;
 
-    TRACE( "%p, %p\n", unk, obj );
+    TRACE( "%p\n", obj );
 
     if (!(locator = heap_alloc( sizeof(*locator) ))) return E_OUTOFMEMORY;
     locator->ISWbemLocator_iface.lpVtbl = &locator_vtbl;
diff --git a/reactos/dll/win32/wbemdisp/main.c b/reactos/dll/win32/wbemdisp/main.c
index aef7ecf409a..577425812c4 100644
--- a/reactos/dll/win32/wbemdisp/main.c
+++ b/reactos/dll/win32/wbemdisp/main.c
@@ -67,7 +67,7 @@ static const IParseDisplayNameVtbl WinMGMTSVtbl = {
 
 static IParseDisplayName winmgmts = { &WinMGMTSVtbl };
 
-static HRESULT WinMGMTS_create(IUnknown *outer, void **ppv)
+static HRESULT WinMGMTS_create(void **ppv)
 {
     *ppv = &winmgmts;
     return S_OK;
@@ -76,7 +76,7 @@ static HRESULT WinMGMTS_create(IUnknown *outer, void **ppv)
 struct factory
 {
     IClassFactory IClassFactory_iface;
-    HRESULT (*fnCreateInstance)( IUnknown *, LPVOID * );
+    HRESULT (*fnCreateInstance)( LPVOID * );
 };
 
 static inline struct factory *impl_from_IClassFactory( IClassFactory *iface )
@@ -118,14 +118,11 @@ static HRESULT WINAPI factory_CreateInstance( IClassFactory *iface, LPUNKNOWN ou
     *obj = NULL;
     if (outer) return CLASS_E_NOAGGREGATION;
 
-    hr = factory->fnCreateInstance( outer, (LPVOID *)&unk );
+    hr = factory->fnCreateInstance( (LPVOID *)&unk );
     if (FAILED( hr ))
         return hr;
 
     hr = IUnknown_QueryInterface( unk, riid, obj );
-    if (FAILED( hr ))
-        return hr;
-
     IUnknown_Release( unk );
     return hr;
 }
diff --git a/reactos/dll/win32/wbemdisp/wbemdisp_classes.idl b/reactos/dll/win32/wbemdisp/wbemdisp_classes.idl
index 4fdedb00932..0cea2c8b895 100644
--- a/reactos/dll/win32/wbemdisp/wbemdisp_classes.idl
+++ b/reactos/dll/win32/wbemdisp/wbemdisp_classes.idl
@@ -18,6 +18,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#pragma makedep register
+
 [
     threading(apartment),
     uuid(172bddf8-ceea-11d1-8b05-00600806d9b6),
diff --git a/reactos/dll/win32/wbemdisp/wbemdisp_private.h b/reactos/dll/win32/wbemdisp/wbemdisp_private.h
index b7fbb533a5f..9d68d07c80c 100644
--- a/reactos/dll/win32/wbemdisp/wbemdisp_private.h
+++ b/reactos/dll/win32/wbemdisp/wbemdisp_private.h
@@ -37,7 +37,7 @@
 #include <wine/debug.h>
 WINE_DEFAULT_DEBUG_CHANNEL(wbemdisp);
 
-HRESULT SWbemLocator_create(IUnknown *, LPVOID *) DECLSPEC_HIDDEN;
+HRESULT SWbemLocator_create(LPVOID *) DECLSPEC_HIDDEN;
 
 static void *heap_alloc( size_t len ) __WINE_ALLOC_SIZE(1);
 static inline void *heap_alloc( size_t len )
diff --git a/reactos/dll/win32/wbemdisp/wbemdisp_tlb.idl b/reactos/dll/win32/wbemdisp/wbemdisp_tlb.idl
index f42f7b4cbd9..9174a2ca6cc 100644
--- a/reactos/dll/win32/wbemdisp/wbemdisp_tlb.idl
+++ b/reactos/dll/win32/wbemdisp/wbemdisp_tlb.idl
@@ -18,4 +18,6 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#pragma makedep regtypelib
+
 #include "wbemdisp.idl"
diff --git a/reactos/media/doc/README.WINE b/reactos/media/doc/README.WINE
index 2a02093e960..487bfa324c3 100644
--- a/reactos/media/doc/README.WINE
+++ b/reactos/media/doc/README.WINE
@@ -200,7 +200,7 @@ reactos/dll/win32/usp10               # Synced to Wine-1.7.17
 reactos/dll/win32/uxtheme             # Forked
 reactos/dll/win32/vbscript            # Synced to Wine-1.7.1
 reactos/dll/win32/version             # Synced to Wine-1.7.1
-reactos/dll/win32/wbemdisp            # Synced to Wine-1.7.1
+reactos/dll/win32/wbemdisp            # Synced to Wine-1.7.17
 reactos/dll/win32/wbemprox            # Synced to Wine-1.7.2
 reactos/dll/win32/wer                 # Autosync
 reactos/dll/win32/windowscodecs       # Synced to Wine-1.7.1