diff --git a/include/caffe/solver.hpp b/include/caffe/solver.hpp
index 30a74586d62..8ca0588e821 100644
--- a/include/caffe/solver.hpp
+++ b/include/caffe/solver.hpp
@@ -82,8 +82,8 @@ class SGDSolver : public Solver<Dtype> {
   const vector<shared_ptr<Blob<Dtype> > >& history() { return history_; }
 
  protected:
+  void PreSolve();
   Dtype GetLearningRate();
-  virtual void PreSolve();
   virtual void ApplyUpdate();
   virtual void Normalize(int param_id);
   virtual void Regularize(int param_id);
@@ -166,7 +166,7 @@ class AdaDeltaSolver : public SGDSolver<Dtype> {
       : SGDSolver<Dtype>(param_file) { PreSolve(); constructor_sanity_check(); }
 
  protected:
-  virtual void PreSolve();
+  void PreSolve();
   virtual void Regularize(int param_id);
   virtual void ComputeUpdateValue(int param_id, Dtype rate);
   void constructor_sanity_check() {