diff --git a/include/wx/iconbndl.h b/include/wx/iconbndl.h
index 1f0747547d..c3f50a170f 100644
--- a/include/wx/iconbndl.h
+++ b/include/wx/iconbndl.h
@@ -12,19 +12,11 @@
 #ifndef _WX_ICONBNDL_H_
 #define _WX_ICONBNDL_H_
 
-#include "wx/dynarray.h"
 #include "wx/gdiobj.h"
 // for wxSize
 #include "wx/gdicmn.h"
 #include "wx/icon.h"
 
-class WXDLLIMPEXP_FWD_CORE wxIcon;
-class WXDLLIMPEXP_FWD_BASE wxString;
-
-class WXDLLIMPEXP_FWD_CORE wxIconBundle;
-
-WX_DECLARE_EXPORTED_OBJARRAY(wxIcon, wxIconArray);
-
 // this class can't load bitmaps of type wxBITMAP_TYPE_ICO_RESOURCE,
 // if you need them, you have to load them manually and call
 // wxIconCollection::AddIcon
@@ -40,12 +32,7 @@ public:
     // initializes the bundle with a single icon
     wxIconBundle(const wxIcon& icon);
 
-    // initializes the bundle from another icon bundle
-    wxIconBundle(const wxIconBundle& icon);
-
-    wxIconBundle& operator=(const wxIconBundle& ic)
-        { if ( this != &ic) Ref(ic); return *this; }
-
+    // default copy ctor and assignment operator are OK
 
     // adds all the icons contained in the file to the collection,
     // if the collection already contains icons with the same
diff --git a/src/common/iconbndl.cpp b/src/common/iconbndl.cpp
index ab8ecc932d..60e92d558d 100644
--- a/src/common/iconbndl.cpp
+++ b/src/common/iconbndl.cpp
@@ -8,14 +8,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-// ============================================================================
-// declarations
-// ============================================================================
-
-// ----------------------------------------------------------------------------
-// headers
-// ----------------------------------------------------------------------------
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -27,20 +19,19 @@
 
 #ifndef WX_PRECOMP
     #include "wx/settings.h"
-    #include "wx/icon.h"
     #include "wx/log.h"
     #include "wx/intl.h"
     #include "wx/bitmap.h"
     #include "wx/image.h"
 #endif
 
+WX_DECLARE_EXPORTED_OBJARRAY(wxIcon, wxIconArray);
 #include "wx/arrimpl.cpp"
-
 WX_DEFINE_OBJARRAY(wxIconArray)
 
 IMPLEMENT_DYNAMIC_CLASS(wxIconBundle, wxGDIObject)
 
-#define M_ICONBUNDLEDATA ((wxIconBundleRefData *)m_refData)
+#define M_ICONBUNDLEDATA static_cast<wxIconBundleRefData*>(m_refData)
 
 // ----------------------------------------------------------------------------
 // wxIconBundleRefData
@@ -53,10 +44,7 @@ public:
 
     virtual bool IsOk() const { return !m_icons.empty(); }
 
-protected:
     wxIconArray m_icons;
-
-    friend class wxIconBundle;
 };
 
 // ============================================================================
@@ -64,7 +52,6 @@ protected:
 // ============================================================================
 
 wxIconBundle::wxIconBundle()
-            : wxGDIObject()
 {
 }
 
@@ -74,12 +61,6 @@ wxIconBundle::wxIconBundle(const wxString& file, wxBitmapType type)
     AddIcon(file, type);
 }
 
-wxIconBundle::wxIconBundle(const wxIconBundle& icon)
-            : wxGDIObject()
-{
-    Ref(icon);
-}
-
 wxIconBundle::wxIconBundle(const wxIcon& icon)
             : wxGDIObject()
 {
@@ -237,5 +218,3 @@ wxIcon wxIconBundle::GetIconByIndex(size_t n) const
 
     return M_ICONBUNDLEDATA->m_icons[n];
 }
-
-