diff --git a/include/wx/gtk/dataobj.h b/include/wx/gtk/dataobj.h
index 0794fcf51f..bd6783c977 100644
--- a/include/wx/gtk/dataobj.h
+++ b/include/wx/gtk/dataobj.h
@@ -22,7 +22,10 @@ class wxDataObject : public wxDataObjectBase
 {
 public:
     wxDataObject();
-
+#ifdef __DARWIN__
+    virtual ~wxDataObject() { }
+#endif
+    
     virtual bool IsSupportedFormat( const wxDataFormat& format, Direction dir = Get ) const;
 };
 
diff --git a/include/wx/gtk/popupwin.h b/include/wx/gtk/popupwin.h
index ef0b43b49f..63c17d793d 100644
--- a/include/wx/gtk/popupwin.h
+++ b/include/wx/gtk/popupwin.h
@@ -27,7 +27,10 @@ class wxPopupWindow: public wxPopupWindowBase
 {
 public:
     wxPopupWindow() { }
-
+#ifdef __DARWIN__
+    virtual ~wxPopupWindow() { }
+#endif
+    
     wxPopupWindow(wxWindow *parent) { (void)Create(parent); }
     bool Create(wxWindow *parent, int flags = wxBORDER_NONE);
 
diff --git a/include/wx/gtk1/dataobj.h b/include/wx/gtk1/dataobj.h
index 0794fcf51f..bd6783c977 100644
--- a/include/wx/gtk1/dataobj.h
+++ b/include/wx/gtk1/dataobj.h
@@ -22,7 +22,10 @@ class wxDataObject : public wxDataObjectBase
 {
 public:
     wxDataObject();
-
+#ifdef __DARWIN__
+    virtual ~wxDataObject() { }
+#endif
+    
     virtual bool IsSupportedFormat( const wxDataFormat& format, Direction dir = Get ) const;
 };
 
diff --git a/include/wx/gtk1/popupwin.h b/include/wx/gtk1/popupwin.h
index ef0b43b49f..63c17d793d 100644
--- a/include/wx/gtk1/popupwin.h
+++ b/include/wx/gtk1/popupwin.h
@@ -27,7 +27,10 @@ class wxPopupWindow: public wxPopupWindowBase
 {
 public:
     wxPopupWindow() { }
-
+#ifdef __DARWIN__
+    virtual ~wxPopupWindow() { }
+#endif
+    
     wxPopupWindow(wxWindow *parent) { (void)Create(parent); }
     bool Create(wxWindow *parent, int flags = wxBORDER_NONE);
 
diff --git a/include/wx/popupwin.h b/include/wx/popupwin.h
index ea63c1484b..bd9524c08f 100644
--- a/include/wx/popupwin.h
+++ b/include/wx/popupwin.h
@@ -29,6 +29,9 @@ class WXDLLEXPORT wxPopupWindowBase : public wxWindow
 {
 public:
     wxPopupWindowBase() { }
+#ifdef __DARWIN__
+    virtual ~wxPopupWindowBase() { }
+#endif
 
     // create the popup window
     //