diff --git a/wxPython/contrib/gizmos/wxCode/src/treelistctrl.cpp b/wxPython/contrib/gizmos/wxCode/src/treelistctrl.cpp
index 5d97fe6f35..a08a675171 100644
--- a/wxPython/contrib/gizmos/wxCode/src/treelistctrl.cpp
+++ b/wxPython/contrib/gizmos/wxCode/src/treelistctrl.cpp
@@ -1856,8 +1856,6 @@ bool wxTreeListMainWindow::Create (wxTreeListCtrl *parent,
                                    const wxString& name) {
 
 #ifdef __WXMAC__
-    if (style & wxTR_HAS_BUTTONS) style |= wxTR_MAC_BUTTONS;
-    if (style & wxTR_HAS_BUTTONS) style &= ~wxTR_HAS_BUTTONS;
     style &= ~wxTR_LINES_AT_ROOT;
     style |= wxTR_NO_LINES;