diff --git a/dlls/ole32/ifs.h b/dlls/ole32/ifs.h
index 89ae1e20c56..4c4287f319e 100644
--- a/dlls/ole32/ifs.h
+++ b/dlls/ole32/ifs.h
@@ -59,10 +59,6 @@ DECLARE_INTERFACE_(IMalloc16,IUnknown)
 
 /**********************************************************************/
 
-extern LPMALLOC16 IMalloc16_Constructor(void);
-
-/**********************************************************************/
-
 typedef struct ILockBytes16 *LPLOCKBYTES16;
 
 #define INTERFACE ILockBytes16
diff --git a/dlls/ole32/ole16.c b/dlls/ole32/ole16.c
index a8fa59bceb7..1e1cf452f79 100644
--- a/dlls/ole32/ole16.c
+++ b/dlls/ole32/ole16.c
@@ -171,7 +171,7 @@ LPVOID CDECL IMalloc16_fnHeapMinimize(IMalloc16* iface) {
 /******************************************************************************
  * IMalloc16_Constructor [VTABLE]
  */
-LPMALLOC16
+static LPMALLOC16
 IMalloc16_Constructor(void)
 {
     static IMalloc16Vtbl vt16;