diff --git a/paddle/gserver/gradientmachines/NeuralNetwork.h b/paddle/gserver/gradientmachines/NeuralNetwork.h
index 16971883b42786e2cb48faafd2a7e95d45075ac8..6888380290074318fe7f94d168b2931e776dda47 100644
--- a/paddle/gserver/gradientmachines/NeuralNetwork.h
+++ b/paddle/gserver/gradientmachines/NeuralNetwork.h
@@ -135,7 +135,7 @@ public:
   const std::string& getName() const { return subModelName_; }
 
   /// some finish work, like convert the weight format of MKLDNNLayers
-  void finish() override;
+  void finish();
 
 protected:
   /**