diff --git a/wxPython/contrib/gizmos/gizmos.cpp b/wxPython/contrib/gizmos/gizmos.cpp
index 82418d6b0a..906e298fbb 100644
--- a/wxPython/contrib/gizmos/gizmos.cpp
+++ b/wxPython/contrib/gizmos/gizmos.cpp
@@ -99,8 +99,6 @@ static PyObject* t_output_helper(PyObject* target, PyObject* o) {
     static const wxString wxPyTreeListCtrlNameStr(wxT("treelistctrl"));
     static const wxString wxPyEmptyString(wxT(""));
 
-    typedef wxTreeCtrl wxPyTreeCtrl;
-
 class wxPyTreeCompanionWindow: public wxTreeCompanionWindow
 {
 public:
diff --git a/wxPython/contrib/gizmos/gizmos.i b/wxPython/contrib/gizmos/gizmos.i
index ba673eba1d..0d144033b7 100644
--- a/wxPython/contrib/gizmos/gizmos.i
+++ b/wxPython/contrib/gizmos/gizmos.i
@@ -225,9 +225,6 @@ public:
  * It also updates the scrolled window vertical scrollbar as appropriate.
  */
 
-%{
-    typedef wxTreeCtrl wxPyTreeCtrl;
-%}
 
 class wxRemotelyScrolledTreeCtrl: public wxPyTreeCtrl
 {