diff --git a/compiler/optimizing/graph_visualizer.h b/compiler/optimizing/graph_visualizer.h
index bc553ae..513bceb 100644
--- a/compiler/optimizing/graph_visualizer.h
+++ b/compiler/optimizing/graph_visualizer.h
@@ -35,9 +35,9 @@
  public:
   HGraphVisualizer(std::ostream* output,
                    HGraph* graph,
-                   const CodeGenerator& codegen,
-                   const char* method_name);
+                   const CodeGenerator& codegen);
 
+  void PrintHeader(const char* method_name) const;
   void DumpGraph(const char* pass_name, bool is_after_pass = true) const;
 
  private: