1 files changed, 0 insertions, 26 deletions
diff --git a/training/risk.h b/training/risk.h
deleted file mode 100644
index 2e8db0fb..00000000
--- a/training/risk.h
+++ /dev/null
@@ -1,26 +0,0 @@
-#ifndef _RISK_H_
-#define _RISK_H_
-
-#include <vector>
-#include "sparse_vector.h"
-class EvaluationMetric;
-
-namespace training {
-  class CandidateSet;
-
-  class CandidateSetRisk {
-   public:
-    explicit CandidateSetRisk(const CandidateSet& cs, const EvaluationMetric& metric) :
-       cands_(cs),
-       metric_(metric) {}
-    // compute the risk (expected loss) of a CandidateSet
-    // (optional) the gradient of the risk with respect to params
-    double operator()(const std::vector<double>& params,
-                      SparseVector<double>* g = NULL) const;
-   private:
-    const CandidateSet& cands_;
-    const EvaluationMetric& metric_;
-  };
-};
-
-#endif