diff --git a/Source/WebCore/rendering/RenderTheme.h b/Source/WebCore/rendering/RenderTheme.h
index 7579608b9630..a97a92cf1c7b 100644
--- a/Source/WebCore/rendering/RenderTheme.h
+++ b/Source/WebCore/rendering/RenderTheme.h
@@ -138,10 +138,6 @@ class RenderTheme {
     virtual void inflateRectForControlRenderer(const RenderObject&, FloatRect&) { }
     virtual void adjustRepaintRect(const RenderBox&, FloatRect&) { }
 
-    // This method is called whenever the theme changes on the system in order to flush cached resources from the
-    // old theme.
-    virtual void themeChanged() { }
-
     // A method asking if the theme is able to draw the focus ring.
     virtual bool supportsFocusRing(const RenderStyle&) const;