diff --git a/include/wx/gtk/gauge.h b/include/wx/gtk/gauge.h
index 2e018566c5..7e138e7ed2 100644
--- a/include/wx/gtk/gauge.h
+++ b/include/wx/gtk/gauge.h
@@ -65,8 +65,6 @@ protected:
     // set the gauge value to the value of m_gaugePos
     void DoSetGauge();
 
-    virtual wxSize DoGetBestSize() const wxOVERRIDE;
-
 private:
     void Init() { m_rangeMax = m_gaugePos = 0; }
 
diff --git a/src/gtk/gauge.cpp b/src/gtk/gauge.cpp
index e6d600a74f..52c8690ff0 100644
--- a/src/gtk/gauge.cpp
+++ b/src/gtk/gauge.cpp
@@ -70,16 +70,6 @@ void wxGauge::DoSetGauge()
                                    m_rangeMax ? ((double)m_gaugePos)/m_rangeMax : 0.0);
 }
 
-wxSize wxGauge::DoGetBestSize() const
-{
-    wxSize best;
-    if (HasFlag(wxGA_VERTICAL))
-        best = wxSize(28, 100);
-    else
-        best = wxSize(100, 28);
-    return best;
-}
-
 void wxGauge::SetRange( int range )
 {
     m_rangeMax = range;