1 files changed, 0 insertions, 33 deletions
diff --git a/ml/dlib/dlib/svm/null_df.h b/ml/dlib/dlib/svm/null_df.h
deleted file mode 100644
index 2cbbf04a7..000000000
--- a/ml/dlib/dlib/svm/null_df.h
+++ /dev/null
@@ -1,33 +0,0 @@
-// Copyright (C) 2010  Davis E. King (davis@dlib.net)
-// License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_NULL_DECISION_FUnCTION_Hh_
-#define DLIB_NULL_DECISION_FUnCTION_Hh_
-
-#include <iostream>
-
-namespace dlib
-{
-
-// ----------------------------------------------------------------------------------------
-
-    struct null_df
-    {
-        /*!
-            WHAT THIS OBJECT REPRESENTS
-                This is a type used to represent an unused field in the list of template 
-                arguments of the one_vs_one_decision_function and one_vs_all_decision_function 
-                templates.  As such, null_df doesn't actually do anything.
-        !*/
-        template <typename T>
-        double operator() ( const T&) const { return 0; }
-    };
-
-    inline void serialize(const null_df&, std::ostream&) {}
-    inline void deserialize(null_df&, std::istream&) {}
-
-// ----------------------------------------------------------------------------------------
-
-}
-
-#endif // DLIB_NULL_DECISION_FUnCTION_Hh_
-