diff --git a/include/wx/htmllbox.h b/include/wx/htmllbox.h
index 49405b94b9..f61360bc53 100644
--- a/include/wx/htmllbox.h
+++ b/include/wx/htmllbox.h
@@ -25,6 +25,7 @@ class WXDLLIMPEXP_HTML wxHtmlListBoxStyle;
 
 class WXDLLIMPEXP_HTML wxHtmlListBox : public wxVListBox
 {
+    DECLARE_ABSTRACT_CLASS(wxHtmlListBox)
 public:
     // constructors and such
     // ---------------------
diff --git a/include/wx/vlbox.h b/include/wx/vlbox.h
index 6b30ac122e..dde8cbf7ca 100644
--- a/include/wx/vlbox.h
+++ b/include/wx/vlbox.h
@@ -214,7 +214,7 @@ protected:
     // we implement OnGetLineHeight() in terms of OnMeasureItem() because this
     // allows us to add borders to the items easily
     //
-    // this function is not upposed to be overridden by the derived classes
+    // this function is not supposed to be overridden by the derived classes
     virtual wxCoord OnGetLineHeight(size_t line) const;
 
 
@@ -278,6 +278,7 @@ private:
 
     DECLARE_EVENT_TABLE()
     DECLARE_NO_COPY_CLASS(wxVListBox)
+    DECLARE_ABSTRACT_CLASS(wxVListBox)
 };
 
 #endif // _WX_VLBOX_H_
diff --git a/include/wx/vscroll.h b/include/wx/vscroll.h
index eb2185bb1c..38f3a9a615 100644
--- a/include/wx/vscroll.h
+++ b/include/wx/vscroll.h
@@ -196,6 +196,7 @@ private:
 
     DECLARE_EVENT_TABLE()
     DECLARE_NO_COPY_CLASS(wxVScrolledWindow)
+    DECLARE_ABSTRACT_CLASS(wxVScrolledWindow)
 };
 
 #endif // _WX_VSCROLL_H_
diff --git a/src/generic/htmllbox.cpp b/src/generic/htmllbox.cpp
index 0c5578c11a..0970e8ef91 100644
--- a/src/generic/htmllbox.cpp
+++ b/src/generic/htmllbox.cpp
@@ -161,6 +161,9 @@ END_EVENT_TABLE()
 // implementation
 // ============================================================================
 
+IMPLEMENT_ABSTRACT_CLASS(wxHtmlListBox, wxVListBox)
+
+
 // ----------------------------------------------------------------------------
 // wxHtmlListBox creation
 // ----------------------------------------------------------------------------
diff --git a/src/generic/vlbox.cpp b/src/generic/vlbox.cpp
index fedb4496a4..df023053a3 100644
--- a/src/generic/vlbox.cpp
+++ b/src/generic/vlbox.cpp
@@ -48,6 +48,8 @@ END_EVENT_TABLE()
 // implementation
 // ============================================================================
 
+IMPLEMENT_ABSTRACT_CLASS(wxVListBox, wxVScrolledWindow)
+
 // ----------------------------------------------------------------------------
 // wxVListBox creation
 // ----------------------------------------------------------------------------
diff --git a/src/generic/vscroll.cpp b/src/generic/vscroll.cpp
index fa8bf24b05..abe374f694 100644
--- a/src/generic/vscroll.cpp
+++ b/src/generic/vscroll.cpp
@@ -44,6 +44,8 @@ END_EVENT_TABLE()
 // implementation
 // ============================================================================
 
+IMPLEMENT_ABSTRACT_CLASS(wxVScrolledWindow, wxPanel)
+
 // ----------------------------------------------------------------------------
 // initialization
 // ----------------------------------------------------------------------------