diff --git a/include/wx/aui/auibar.h b/include/wx/aui/auibar.h
index 8fdcfce4e2..05b841983a 100644
--- a/include/wx/aui/auibar.h
+++ b/include/wx/aui/auibar.h
@@ -618,12 +618,6 @@ protected:
     wxSize GetLabelSize(const wxString& label);
     wxAuiToolBarItem* FindToolByPositionWithPacking(wxCoord x, wxCoord y) const;
 
-    void DoSetSize(int x,
-                   int y,
-                   int width,
-                   int height,
-                   int sizeFlags = wxSIZE_AUTO) wxOVERRIDE;
-
 protected: // handlers
 
     void OnSize(wxSizeEvent& evt);
diff --git a/src/aui/auibar.cpp b/src/aui/auibar.cpp
index 742c8e200f..4b6f3379c0 100644
--- a/src/aui/auibar.cpp
+++ b/src/aui/auibar.cpp
@@ -2326,22 +2326,6 @@ void wxAuiToolBar::OnSize(wxSizeEvent& WXUNUSED(evt))
 
 
 
-void wxAuiToolBar::DoSetSize(int x,
-                             int y,
-                             int width,
-                             int height,
-                             int sizeFlags)
-{
-    wxSize parent_size = GetParent()->GetClientSize();
-    if (x + width > parent_size.x)
-        width = wxMax(0, parent_size.x - x);
-    if (y + height > parent_size.y)
-        height = wxMax(0, parent_size.y - y);
-
-    wxWindow::DoSetSize(x, y, width, height, sizeFlags);
-}
-
-
 void wxAuiToolBar::OnIdle(wxIdleEvent& evt)
 {
     // if orientation doesn't match dock, fix it