diff --git a/dlls/wmp/oleobj.c b/dlls/wmp/oleobj.c
index acf38f32233..4799712d3ac 100644
--- a/dlls/wmp/oleobj.c
+++ b/dlls/wmp/oleobj.c
@@ -20,6 +20,7 @@
 #include "olectl.h"
 
 #include "wine/debug.h"
+#include "wine/heap.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(wmp);
 
diff --git a/dlls/wmp/wmp_private.h b/dlls/wmp/wmp_private.h
index 7b7f51cd633..04173f3ad36 100644
--- a/dlls/wmp/wmp_private.h
+++ b/dlls/wmp/wmp_private.h
@@ -46,18 +46,3 @@ HRESULT WINAPI WMPFactory_CreateInstance(IClassFactory*,IUnknown*,REFIID,void**)
 void unregister_wmp_class(void) DECLSPEC_HIDDEN;
 
 extern HINSTANCE wmp_instance DECLSPEC_HIDDEN;
-
-static inline void* __WINE_ALLOC_SIZE(1) heap_alloc(size_t len)
-{
-    return HeapAlloc(GetProcessHeap(), 0, len);
-}
-
-static inline void* __WINE_ALLOC_SIZE(1) heap_alloc_zero(size_t len)
-{
-    return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
-}
-
-static inline BOOL heap_free(void *mem)
-{
-    return HeapFree(GetProcessHeap(), 0, mem);
-}