diff --git a/include/objbase.h b/include/objbase.h
index 0e15d8ac4a9..1f6364030b1 100644
--- a/include/objbase.h
+++ b/include/objbase.h
@@ -22,9 +22,10 @@
 
 HRESULT WINAPI GetClassFile(LPOLESTR filePathName,CLSID *pclsid);
 
-#ifdef __cplusplus
-extern "C" {
-#endif
+
+/*    These macros are msdev's way of defining COM objects. They are provided 
+ * here for use by winelib users.
+ */
 
 #ifdef __cplusplus
     #define EXTERN_C    extern "C"
@@ -43,7 +44,6 @@ extern "C" {
 #define STDMETHODIMP            HRESULT STDMETHODCALLTYPE
 #define STDMETHODIMP_(type)     type STDMETHODCALLTYPE
 
-
 #define STDAPIV                 EXTERN_C HRESULT STDAPIVCALLTYPE
 #define STDAPIV_(type)          EXTERN_C type STDAPIVCALLTYPE
 
@@ -53,13 +53,6 @@ extern "C" {
 #define WINOLEAPI        STDAPI
 #define WINOLEAPI_(type) STDAPI_(type)
 
-#define BEGIN_INTERFACE
-#define END_INTERFACE
-
-#ifdef __LIBMFC__
-/* All of  these will eventually need to go once headers in win_include are wynified. */ 
-/* These macros are msdev's way of defining COM objects. */
-
 #if defined(__cplusplus) && !defined(CINTERFACE)
 #define interface struct
 #define STDMETHOD(method)       virtual HRESULT STDMETHODCALLTYPE method
@@ -70,65 +63,38 @@ extern "C" {
 #define DECLARE_INTERFACE(iface)    interface iface
 #define DECLARE_INTERFACE_(iface, baseiface)    interface iface : public baseiface
 
-
-#if !defined(BEGIN_INTERFACE)
-#if defined(_MPPC_)  && \
-    ( (defined(_MSC_VER) || defined(__SC__) || defined(__MWERKS__)) && \
-    !defined(NO_NULL_VTABLE_ENTRY) )
-   #define BEGIN_INTERFACE virtual void a() {}
-   #define END_INTERFACE
-#else
-   #define BEGIN_INTERFACE
-   #define END_INTERFACE
-#endif
-#endif
+#define BEGIN_INTERFACE
+#define END_INTERFACE
 
 #else
 
 #define interface               struct
-
 #define STDMETHOD(method)       HRESULT (STDMETHODCALLTYPE * method)
 #define STDMETHOD_(type,method) type (STDMETHODCALLTYPE * method)
-
-#if !defined(BEGIN_INTERFACE)
-#if defined(_MPPC_)
-    #define BEGIN_INTERFACE       void    *b;
-    #define END_INTERFACE
-#else
-    #define BEGIN_INTERFACE
-    #define END_INTERFACE
-#endif
-#endif
-
 #define PURE
 #define THIS_                   INTERFACE FAR* This,
 #define THIS                    INTERFACE FAR* This
+
 #ifdef CONST_VTABLE
 #undef CONST_VTBL
 #define CONST_VTBL const
-#define DECLARE_INTERFACE(iface)    typedef interface iface { \
-                                    const struct iface##Vtbl FAR* lpVtbl; \
-                                } iface; \
-                                typedef const struct iface##Vtbl iface##Vtbl; \
-                                const struct iface##Vtbl
+#define DECLARE_INTERFACE(iface) \
+         typedef interface iface { const struct iface##Vtbl FAR* lpVtbl; } iface; \
+         typedef const struct iface##Vtbl iface##Vtbl; \
+         const struct iface##Vtbl
 #else
 #undef CONST_VTBL
 #define CONST_VTBL
-#define DECLARE_INTERFACE(iface)    typedef interface iface { \
-                                    struct iface##Vtbl FAR* lpVtbl; \
-                                } iface; \
-                                typedef struct iface##Vtbl iface##Vtbl; \
-                                struct iface##Vtbl
+#define DECLARE_INTERFACE(iface) \
+         typedef interface iface { struct iface##Vtbl FAR* lpVtbl; } iface; \
+         typedef struct iface##Vtbl iface##Vtbl; \
+         struct iface##Vtbl
 #endif
 #define DECLARE_INTERFACE_(iface, baseiface)    DECLARE_INTERFACE(iface)
 
+#define BEGIN_INTERFACE
+#define END_INTERFACE
+
 #endif
-/* end MsDev's style, all of that must eventually go! */
-#endif /* __LIBMFC__ */
-
-
-#ifdef __cplusplus   
-};    /* extern "C" { */
-#endif 
 
 #endif /* __WINE_OBJBASE_H */