diff --git a/include/wx/osx/core/cfdictionary.h b/include/wx/osx/core/cfdictionary.h
index d3028e90c7..b516240fe1 100644
--- a/include/wx/osx/core/cfdictionary.h
+++ b/include/wx/osx/core/cfdictionary.h
@@ -56,10 +56,7 @@ public:
      @discussion Ownership will be shared by the original ref and the newly created ref. That is,
      the object will be explicitly retained by this new ref.
      */
-    wxCFDictionaryRefCommon(const wxCFDictionaryRefCommon& otherRef)
-        : super_type(otherRef)
-    {
-    }
+    wxCFDictionaryRefCommon(const wxCFDictionaryRefCommon&) = default;
 
     wxCFTypeRef GetValue(const void* key)
     {