1 files changed, 4 insertions, 7 deletions
diff --git a/src/plugins/directshow/common/directshowpinenum.h b/src/plugins/directshow/common/directshowpinenum.h
index 77214e376..e1baa00c2 100644
--- a/src/plugins/directshow/common/directshowpinenum.h
+++ b/src/plugins/directshow/common/directshowpinenum.h
@@ -49,18 +49,15 @@ QT_BEGIN_NAMESPACE
 
 class DirectShowBaseFilter;
 
-class DirectShowPinEnum : public DirectShowObject
-                        , public IEnumPins
+class DirectShowPinEnum : public IEnumPins
 {
-    DIRECTSHOW_OBJECT
-
+    COM_REF_MIXIN
 public:
     DirectShowPinEnum(DirectShowBaseFilter *filter);
     DirectShowPinEnum(const QList<IPin *> &pins);
-    ~DirectShowPinEnum();
+    virtual ~DirectShowPinEnum();
 
-    // DirectShowObject
-    HRESULT getInterface(REFIID riid, void **ppvObject);
+    STDMETHODIMP QueryInterface(REFIID riid, void **ppv) override;
 
     // IEnumPins
     STDMETHODIMP Next(ULONG cPins, IPin **ppPins, ULONG *pcFetched);