diff --git a/gtsam/base/boost_variant_with_workaround.h b/gtsam/base/boost_variant_with_workaround.h
deleted file mode 100644
index d9de4456a..000000000
--- a/gtsam/base/boost_variant_with_workaround.h
+++ /dev/null
@@ -1,95 +0,0 @@
-/* ----------------------------------------------------------------------------
-
- * GTSAM Copyright 2010, Georgia Tech Research Corporation,
- * Atlanta, Georgia 30332-0415
- * All Rights Reserved
- * Authors: Frank Dellaert, et al. (see THANKS for the full author list)
-
- * See LICENSE for the license information
-
- * -------------------------------------------------------------------------- */
-
-/**
- * @file    boost_variant_with_workaround.h
- * @brief   Includes boost/variant.hpp with a workaround for a variant/boost graph conflict, by defining the variant 'get' function in a new variant_workaround namespace.
- * @author  Richard Roberts
- */
-
-#pragma once
-
-#include <boost/variant.hpp>
-#include <boost/version.hpp>
-
-namespace variant_workaround {
-
-  /* ************************************************************************* */
-  // The following functions are pasted from boost/variant/get.hpp, but in a
-  // 'variant_workaround' namespace to avoid a conflict with 'get' in the boost
-  // graph library that exists in boost < 1.47.
-#if BOOST_VERSION >= 104700
-  using boost::get;
-#else
-  template <typename U, BOOST_VARIANT_ENUM_PARAMS(typename T) >
-  inline
-  typename boost::add_pointer<U>::type
-  get(
-      boost::variant< BOOST_VARIANT_ENUM_PARAMS(T) >* operand
-      BOOST_VARIANT_AUX_GET_EXPLICIT_TEMPLATE_TYPE(U)
-  )
-  {
-    typedef typename boost::add_pointer<U>::type U_ptr;
-    if (!operand) return static_cast<U_ptr>(0);
-
-    boost::detail::variant::get_visitor<U> v;
-    return operand->apply_visitor(v);
-  }
-
-  template <typename U, BOOST_VARIANT_ENUM_PARAMS(typename T) >
-  inline
-  typename boost::add_pointer<const U>::type
-  get(
-      const boost::variant< BOOST_VARIANT_ENUM_PARAMS(T) >* operand
-      BOOST_VARIANT_AUX_GET_EXPLICIT_TEMPLATE_TYPE(U)
-  )
-  {
-    typedef typename boost::add_pointer<const U>::type U_ptr;
-    if (!operand) return static_cast<U_ptr>(0);
-
-    boost::detail::variant::get_visitor<const U> v;
-    return operand->apply_visitor(v);
-  }
-
-  template <typename U, BOOST_VARIANT_ENUM_PARAMS(typename T) >
-  inline
-  typename boost::add_reference<U>::type
-  get(
-      boost::variant< BOOST_VARIANT_ENUM_PARAMS(T) >& operand
-      BOOST_VARIANT_AUX_GET_EXPLICIT_TEMPLATE_TYPE(U)
-  )
-  {
-    typedef typename boost::add_pointer<U>::type U_ptr;
-    U_ptr result = variant_workaround::get<U>(&operand);
-
-    if (!result)
-      throw boost::bad_get();
-    return *result;
-  }
-
-  template <typename U, BOOST_VARIANT_ENUM_PARAMS(typename T) >
-  inline
-  typename boost::add_reference<const U>::type
-  get(
-      const boost::variant< BOOST_VARIANT_ENUM_PARAMS(T) >& operand
-      BOOST_VARIANT_AUX_GET_EXPLICIT_TEMPLATE_TYPE(U)
-  )
-  {
-    typedef typename boost::add_pointer<const U>::type U_ptr;
-    U_ptr result = variant_workaround::get<const U>(&operand);
-
-    if (!result)
-      throw boost::bad_get();
-    return *result;
-  }
-#endif
-
-}