diff --git a/hash/test/Jamfile.v2 b/hash/test/Jamfile.v2
index ab6f2fa..7b3ccd9 100644
--- a/hash/test/Jamfile.v2
+++ b/hash/test/Jamfile.v2
@@ -1,5 +1,5 @@
 
-# Copyright 2005-2008 Daniel James.
+# Copyright 2005-2011 Daniel James.
 # 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)
 
@@ -7,7 +7,6 @@ import testing ;
 
 project hash-tests
     : requirements
-        <define>BOOST_HASH_NO_IMPLICIT_CASTS
         <warnings>all
         <toolset>intel:<warnings>on
         <toolset>intel:<cxxflags>-strict-ansi
@@ -20,42 +19,49 @@ project hash-tests
 
 test-suite functional/hash
     :
-        [ run hash_fwd_test_1.cpp ]
-        [ run hash_fwd_test_2.cpp ]
-        [ run hash_number_test.cpp ]
-        [ run hash_pointer_test.cpp ]
-        [ run hash_function_pointer_test.cpp ]
-        [ run hash_float_test.cpp ]
-        [ run hash_long_double_test.cpp ]
-        [ run hash_string_test.cpp ]
-        [ run hash_range_test.cpp ]
-        [ run hash_custom_test.cpp ]
-        [ run hash_global_namespace_test.cpp ]
-        [ run hash_friend_test.cpp ]
-        [ run hash_built_in_array_test.cpp ]
-        [ run hash_value_array_test.cpp ]
-        [ run hash_vector_test.cpp ]
-        [ run hash_list_test.cpp ]
-        [ run hash_deque_test.cpp ]
-        [ run hash_set_test.cpp ]
-        [ run hash_map_test.cpp ]
-        [ run hash_complex_test.cpp ]
-        [ run hash_type_index_test.cpp ]
-        [ run link_test.cpp link_test_2.cpp ]
-        [ run link_ext_test.cpp link_no_ext_test.cpp ]
-        [ run extensions_hpp_test.cpp ]
-        [ run container_fwd_test.cpp ]
-        [ run container_fwd_test.cpp : :
-            :   <toolset>gcc:<define>_GLIBCXX_DEBUG
-                <toolset>darwin:<define>_GLIBCXX_DEBUG
-            :   container_fwd_gcc_debug ]
-        [ run container_no_fwd_test.cpp ]
-        [ compile-fail hash_no_ext_fail_test.cpp ]
-        [ compile-fail namespace_fail_test.cpp ]
-        [ compile-fail implicit_fail_test.cpp ]
-        [ compile-fail shared_ptr_fail_test.cpp ]
-        [ run hash_no_ext_macro_1.cpp ]
-        [ run hash_no_ext_macro_2.cpp ]
+        [ run hash_fwd_test_1.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_fwd_test_2.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_number_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_pointer_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_function_pointer_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_float_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_long_double_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_string_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_range_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_custom_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_global_namespace_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_friend_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_built_in_array_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_value_array_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_vector_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_list_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_deque_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_set_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_map_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_complex_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_type_index_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run link_test.cpp link_test_2.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run link_ext_test.cpp link_no_ext_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run extensions_hpp_test.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ compile-fail hash_no_ext_fail_test.cpp : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ compile-fail namespace_fail_test.cpp : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ compile-fail implicit_fail_test.cpp : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_no_ext_macro_1.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+        [ run hash_no_ext_macro_2.cpp : : : <define>BOOST_HASH_NO_IMPLICIT_CASTS ]
+    ;
+
+test-suite functional/hash_implicit_casts
+    :
+        [ run hash_number_test.cpp : : : : implicit_number ]
+        [ run hash_pointer_test.cpp : : : : implicit_pointer ]
+        [ run hash_function_pointer_test.cpp : : : : implicit_function_pointer ]
+        [ run hash_float_test.cpp : : : : implicit_float ]
+        [ run hash_string_test.cpp : : : : implicit_string ]
+        [ run hash_range_test.cpp : : : : implicit_range ]
+        [ run hash_custom_test.cpp : : : : implicit_custom ]
+        [ run hash_built_in_array_test.cpp : : : : implicit_built_in_array ]
+        [ run link_test.cpp link_test_2.cpp : : : : implicit_link ]
+        [ run implicit_fail_test.cpp : : : : implicit_test ]
     ;
 
 test-suite functional/hash_no_ext
diff --git a/hash/test/container_fwd_test.cpp b/hash/test/container_fwd_test.cpp
deleted file mode 100644
index ec8cc54..0000000
--- a/hash/test/container_fwd_test.cpp
+++ /dev/null
@@ -1,114 +0,0 @@
-
-// Copyright 2005-2009 Daniel James.
-// 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)
-
-#include "./config.hpp"
-
-#include <boost/functional/detail/container_fwd.hpp>
-
-#if BOOST_WORKAROUND(__GNUC__, < 3) && \
-    !defined(__SGI_STL_PORT) && !defined(_STLPORT_VERSION)
-template <class charT, class Allocator>
-static void test(
-    std::basic_string<charT, std::string_char_traits<charT>, Allocator> const&)
-{
-}
-#else
-template <class charT, class Allocator>
-static void test(
-    std::basic_string<charT, std::char_traits<charT>, Allocator> const&)
-{
-}
-#endif
-    
-template <class T, class Allocator>
-static void test(std::deque<T, Allocator> const&)
-{
-}
-
-template <class T, class Allocator>
-static void test(std::list<T, Allocator> const&)
-{
-}
-
-template <class T, class Allocator>
-static void test(std::vector<T, Allocator> const&)
-{
-}
-
-template <class Key, class T, class Compare, class Allocator>
-static void test(std::map<Key, T, Compare, Allocator> const&)
-{
-}
-
-template <class Key, class T, class Compare, class Allocator>
-static void test(std::multimap<Key, T, Compare, Allocator> const&)
-{
-}
-
-template <class Key, class Compare, class Allocator>
-static void test(std::set<Key, Compare, Allocator> const&)
-{
-}
-
-template <class Key, class Compare, class Allocator>
-static void test(std::multiset<Key, Compare, Allocator> const&)
-{
-}
-
-template <std::size_t N>
-static void test(std::bitset<N> const&)
-{
-}
-
-template <class T>
-static void test(std::complex<T> const&)
-{
-}
-
-template <class X, class Y>
-static void test(std::pair<X, Y> const&)
-{
-}
-
-#include <deque>
-#include <list>
-#include <vector>
-#include <map>
-#include <set>
-#include <bitset>
-#include <string>
-#include <complex>
-#include <utility>
-
-int main()
-{
-    std::deque<int> x1;
-    std::list<std::string> x2;
-    std::vector<float> x3;
-    std::vector<bool> x4;
-    std::map<int, int> x5;
-    std::multimap<float, int*> x6;
-    std::set<std::string> x7;
-    std::multiset<std::vector<int> > x8;
-    std::bitset<10> x9;
-    std::string x10;
-    std::complex<double> x11;
-    std::pair<std::list<int>, char***> x12;
-
-    test(x1);
-    test(x2);
-    test(x3);
-    test(x4);
-    test(x5);
-    test(x6);
-    test(x7);
-    test(x8);
-    test(x9);
-    test(x10);
-    test(x11);
-    test(x12);
-
-    return 0;
-}
diff --git a/hash/test/container_no_fwd_test.cpp b/hash/test/container_no_fwd_test.cpp
deleted file mode 100644
index 9da09da..0000000
--- a/hash/test/container_no_fwd_test.cpp
+++ /dev/null
@@ -1,14 +0,0 @@
-
-// Copyright 2010 Daniel James.
-// 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)
-
-#define BOOST_DETAIL_NO_CONTAINER_FWD
-
-#include <boost/detail/container_fwd.hpp>
-
-int main()
-{
-    std::set<int> x;
-    std::vector<std::string> y;
-}
diff --git a/hash/test/shared_ptr_fail_test.cpp b/hash/test/shared_ptr_fail_test.cpp
deleted file mode 100644
index b0e045f..0000000
--- a/hash/test/shared_ptr_fail_test.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-
-// Copyright 2010 Daniel James.
-// 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)
-
-#include <boost/functional/hash.hpp>
-#include <boost/shared_ptr.hpp>
-
-// This should obviously pass if shared_ptr ever supports Boost.Hash.
-
-int main() {
-    boost::hash<boost::shared_ptr<int> > hash;
-    boost::shared_ptr<int> x(new int(10));
-    
-    hash(x);
-}