diff --git a/include/boost/functional/hash/deque.hpp b/include/boost/functional/hash/deque.hpp
index 06d23c2..b054e2d 100644
--- a/include/boost/functional/hash/deque.hpp
+++ b/include/boost/functional/hash/deque.hpp
@@ -3,25 +3,5 @@
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-//  Based on Peter Dimov's proposal
-//  http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2005/n1756.pdf
-//  issue 6.18. 
-
-#if !defined(BOOST_FUNCTIONAL_HASH_DEQUE_HPP)
-#define BOOST_FUNCTIONAL_HASH_DEQUE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-#if defined(__EDG__)
-#elif defined(_MSC_VER) || defined(__BORLANDC__) || defined(__DMC__)
-#pragma message("Warning: boost/functional/hash/deque.hpp is deprecated, use boost/functional/hash.hpp instead.")
-#elif defined(__GNUC__) || defined(__HP_aCC) || \
-    defined(__SUNPRO_CC) || defined(__IBMCPP__)
-#warning "boost/functional/hash/deque.hpp is deprecated, use boost/functional/hash.hpp instead."
-#endif
-
+#error "boost/functional/hash/deque.hpp is deprecated, use boost/functional/hash.hpp instead."
 #include <boost/functional/hash.hpp>
-
-#endif
diff --git a/include/boost/functional/hash/list.hpp b/include/boost/functional/hash/list.hpp
index 201f6d0..350845c 100644
--- a/include/boost/functional/hash/list.hpp
+++ b/include/boost/functional/hash/list.hpp
@@ -3,25 +3,5 @@
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-//  Based on Peter Dimov's proposal
-//  http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2005/n1756.pdf
-//  issue 6.18. 
-
-#if !defined(BOOST_FUNCTIONAL_HASH_LIST_HPP)
-#define BOOST_FUNCTIONAL_HASH_LIST_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-#if defined(__EDG__)
-#elif defined(_MSC_VER) || defined(__BORLANDC__) || defined(__DMC__)
-#pragma message("Warning: boost/functional/hash/list.hpp is deprecated, use boost/functional/hash.hpp instead.")
-#elif defined(__GNUC__) || defined(__HP_aCC) || \
-    defined(__SUNPRO_CC) || defined(__IBMCPP__)
-#warning "boost/functional/hash/list.hpp is deprecated, use boost/functional/hash.hpp instead."
-#endif
-
+#error "boost/functional/hash/list.hpp is deprecated, use boost/functional/hash.hpp instead."
 #include <boost/functional/hash.hpp>
-
-#endif
diff --git a/include/boost/functional/hash/map.hpp b/include/boost/functional/hash/map.hpp
index 6713d85..2d4eac4 100644
--- a/include/boost/functional/hash/map.hpp
+++ b/include/boost/functional/hash/map.hpp
@@ -3,25 +3,5 @@
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-//  Based on Peter Dimov's proposal
-//  http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2005/n1756.pdf
-//  issue 6.18. 
-
-#if !defined(BOOST_FUNCTIONAL_HASH_MAP_HPP)
-#define BOOST_FUNCTIONAL_HASH_MAP_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-#if defined(__EDG__)
-#elif defined(_MSC_VER) || defined(__BORLANDC__) || defined(__DMC__)
-#pragma message("Warning: boost/functional/hash/map.hpp is deprecated, use boost/functional/hash.hpp instead.")
-#elif defined(__GNUC__) || defined(__HP_aCC) || \
-    defined(__SUNPRO_CC) || defined(__IBMCPP__)
-#warning "boost/functional/hash/map.hpp is deprecated, use boost/functional/hash.hpp instead."
-#endif
-
+#error "boost/functional/hash/map.hpp is deprecated, use boost/functional/hash.hpp instead."
 #include <boost/functional/hash.hpp>
-
-#endif
diff --git a/include/boost/functional/hash/pair.hpp b/include/boost/functional/hash/pair.hpp
index bf076f1..3e6e59f 100644
--- a/include/boost/functional/hash/pair.hpp
+++ b/include/boost/functional/hash/pair.hpp
@@ -3,25 +3,5 @@
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-//  Based on Peter Dimov's proposal
-//  http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2005/n1756.pdf
-//  issue 6.18. 
-
-#if !defined(BOOST_FUNCTIONAL_HASH_PAIR_HPP)
-#define BOOST_FUNCTIONAL_HASH_PAIR_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-#if defined(__EDG__)
-#elif defined(_MSC_VER) || defined(__BORLANDC__) || defined(__DMC__)
-#pragma message("Warning: boost/functional/hash/pair.hpp is deprecated, use boost/functional/hash.hpp instead.")
-#elif defined(__GNUC__) || defined(__HP_aCC) || \
-    defined(__SUNPRO_CC) || defined(__IBMCPP__)
-#warning "boost/functional/hash/pair.hpp is deprecated, use boost/functional/hash.hpp instead."
-#endif
-
+#error "boost/functional/hash/pair.hpp is deprecated, use boost/functional/hash.hpp instead."
 #include <boost/functional/hash.hpp>
-
-#endif
diff --git a/include/boost/functional/hash/set.hpp b/include/boost/functional/hash/set.hpp
index 0533e76..da61930 100644
--- a/include/boost/functional/hash/set.hpp
+++ b/include/boost/functional/hash/set.hpp
@@ -3,25 +3,5 @@
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-//  Based on Peter Dimov's proposal
-//  http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2005/n1756.pdf
-//  issue 6.18. 
-
-#if !defined(BOOST_FUNCTIONAL_HASH_SET_HPP)
-#define BOOST_FUNCTIONAL_HASH_SET_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-#if defined(__EDG__)
-#elif defined(_MSC_VER) || defined(__BORLANDC__) || defined(__DMC__)
-#pragma message("Warning: boost/functional/hash/set.hpp is deprecated, use boost/functional/hash.hpp instead.")
-#elif defined(__GNUC__) || defined(__HP_aCC) || \
-    defined(__SUNPRO_CC) || defined(__IBMCPP__)
-#warning "boost/functional/hash/set.hpp is deprecated, use boost/functional/hash.hpp instead."
-#endif
-
+#error "boost/functional/hash/set.hpp is deprecated, use boost/functional/hash.hpp instead."
 #include <boost/functional/hash.hpp>
-
-#endif
diff --git a/include/boost/functional/hash/vector.hpp b/include/boost/functional/hash/vector.hpp
index 8bab799..62ee975 100644
--- a/include/boost/functional/hash/vector.hpp
+++ b/include/boost/functional/hash/vector.hpp
@@ -3,25 +3,5 @@
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-//  Based on Peter Dimov's proposal
-//  http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2005/n1756.pdf
-//  issue 6.18. 
-
-#if !defined(BOOST_FUNCTIONAL_HASH_VECTOR_HPP)
-#define BOOST_FUNCTIONAL_HASH_VECTOR_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-#if defined(__EDG__)
-#elif defined(_MSC_VER) || defined(__BORLANDC__) || defined(__DMC__)
-#pragma message("Warning: boost/functional/hash/vector.hpp is deprecated, use boost/functional/hash.hpp instead.")
-#elif defined(__GNUC__) || defined(__HP_aCC) || \
-    defined(__SUNPRO_CC) || defined(__IBMCPP__)
-#warning "boost/functional/hash/vector.hpp is deprecated, use boost/functional/hash.hpp instead."
-#endif
-
+#error "boost/functional/hash/vector.hpp is deprecated, use boost/functional/hash.hpp instead."
 #include <boost/functional/hash.hpp>
-
-#endif
diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index da8a0f9..2f771b3 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -40,7 +40,7 @@ test-suite functional/hash
         [ compile-fail hash_no_ext_fail_test.cpp ]
         [ run hash_no_ext_macro_1.cpp ]
         [ run hash_no_ext_macro_2.cpp ]
-        [ run hash_deprecated_headers.cpp : : : <test-info>always_show_run_output ]
+        [ compile-fail hash_deprecated_headers.cpp ]
     ;
 
 build-project ../examples ;