diff --git a/dlls/wmiutils/wmiutils_private.h b/dlls/wmiutils/wmiutils_private.h
index 6782bd85cc0..6195f2133df 100644
--- a/dlls/wmiutils/wmiutils_private.h
+++ b/dlls/wmiutils/wmiutils_private.h
@@ -16,31 +16,12 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#include "wine/heap.h"
 #include "wine/unicode.h"
 
 HRESULT WbemPath_create(LPVOID *) DECLSPEC_HIDDEN;
 HRESULT WbemStatusCodeText_create(LPVOID *) DECLSPEC_HIDDEN;
 
-static inline void* __WINE_ALLOC_SIZE(1) heap_alloc(size_t size)
-{
-    return HeapAlloc(GetProcessHeap(), 0, size);
-}
-
-static inline void* __WINE_ALLOC_SIZE(1) heap_alloc_zero(size_t size)
-{
-    return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
-}
-
-static inline void* __WINE_ALLOC_SIZE(2) heap_realloc(void *mem, size_t size)
-{
-    return HeapReAlloc(GetProcessHeap(), 0, mem, size);
-}
-
-static inline BOOL heap_free(void *mem)
-{
-    return HeapFree(GetProcessHeap(), 0, mem);
-}
-
 static inline WCHAR *strdupW( const WCHAR *src )
 {
     WCHAR *dst;