diff --git a/include/wx/univ/window.h b/include/wx/univ/window.h
index d5aa30e4ba..1d21f3b716 100644
--- a/include/wx/univ/window.h
+++ b/include/wx/univ/window.h
@@ -237,12 +237,6 @@ protected:
     // draw the controls contents
     virtual void DoDraw(wxControlRenderer *renderer);
 
-    // calculate the best size for the client area of the window: default
-    // implementation of DoGetBestSize() uses this method and adds the border
-    // width to the result
-    virtual wxSize DoGetBestClientSize() const;
-    virtual wxSize DoGetBestSize() const;
-
     // override the base class method to return the size of the window borders
     virtual wxSize DoGetBorderSize() const;
 
diff --git a/src/univ/winuniv.cpp b/src/univ/winuniv.cpp
index 1e6ab4bb99..9ec63e0861 100644
--- a/src/univ/winuniv.cpp
+++ b/src/univ/winuniv.cpp
@@ -718,16 +718,6 @@ void wxWindow::OnSize(wxSizeEvent& event)
 #endif
 }
 
-wxSize wxWindow::DoGetBestSize() const
-{
-    return AdjustSize(DoGetBestClientSize());
-}
-
-wxSize wxWindow::DoGetBestClientSize() const
-{
-    return wxWindowNative::DoGetBestSize();
-}
-
 wxSize wxWindow::DoGetBorderSize() const
 {
     return AdjustSize(wxSize(0, 0));