diff --git a/include/LightGBM/objective_function.h b/include/LightGBM/objective_function.h
index e42ec41fcd8..3a46b63c80e 100644
--- a/include/LightGBM/objective_function.h
+++ b/include/LightGBM/objective_function.h
@@ -43,7 +43,7 @@ class ObjectiveFunction {
 
   virtual bool IsRenewTreeOutput() const { return false; }
 
-  virtual double RenewTreeOutput(double ori_output, std::function<double(const label_t*, int)> residual_getter,
+  virtual double RenewTreeOutput(double ori_output, std::function<double(const label_t*, int)>,
                                  const data_size_t*,
                                  const data_size_t*,
                                  data_size_t) const { return ori_output; }