diff --git a/include/boost/concept/assert.hpp b/include/boost/concept/assert.hpp
old mode 100755
new mode 100644
index 80eca81..cf98179
--- a/include/boost/concept/assert.hpp
+++ b/include/boost/concept/assert.hpp
@@ -18,8 +18,7 @@
 # if !defined(BOOST_NO_OLD_CONCEPT_SUPPORT)                                         \
     && !defined(BOOST_NO_SFINAE)                                                    \
                                                                                     \
-    && !(BOOST_WORKAROUND(__GNUC__, == 3) && BOOST_WORKAROUND(__GNUC_MINOR__, < 4)) \
-    && !(BOOST_WORKAROUND(__GNUC__, == 2))
+    && !(BOOST_WORKAROUND(__GNUC__, == 3) && BOOST_WORKAROUND(__GNUC_MINOR__, < 4))
 
 // Note: gcc-2.96 through 3.3.x have some SFINAE, but no ability to
 // check for the presence of particularmember functions.
diff --git a/include/boost/concept/detail/concept_def.hpp b/include/boost/concept/detail/concept_def.hpp
old mode 100755
new mode 100644
index 79f628e..750561e
--- a/include/boost/concept/detail/concept_def.hpp
+++ b/include/boost/concept/detail/concept_def.hpp
@@ -15,22 +15,6 @@
 //
 // Also defines an equivalent SomeNameConcept for backward compatibility.
 // Maybe in the next release we can kill off the "Concept" suffix for good.
-#if BOOST_WORKAROUND(__GNUC__, <= 3)
-# define BOOST_concept(name, params)                                            \
-    template < BOOST_PP_SEQ_FOR_EACH_I(BOOST_CONCEPT_typename,~,params) >       \
-    struct name; /* forward declaration */                                      \
-                                                                                \
-    template < BOOST_PP_SEQ_FOR_EACH_I(BOOST_CONCEPT_typename,~,params) >       \
-    struct BOOST_PP_CAT(name,Concept)                                           \
-      : name< BOOST_PP_SEQ_ENUM(params) >                                       \
-    {                                                                           \
-        /* at least 2.96 and 3.4.3 both need this */                            \
-        BOOST_PP_CAT(name,Concept)();                                           \
-    };                                                                          \
-                                                                                \
-    template < BOOST_PP_SEQ_FOR_EACH_I(BOOST_CONCEPT_typename,~,params) >       \
-    struct name                                                                
-#else
 # define BOOST_concept(name, params)                                            \
     template < BOOST_PP_SEQ_FOR_EACH_I(BOOST_CONCEPT_typename,~,params) >       \
     struct name; /* forward declaration */                                      \
@@ -43,7 +27,6 @@
                                                                                 \
     template < BOOST_PP_SEQ_FOR_EACH_I(BOOST_CONCEPT_typename,~,params) >       \
     struct name                                                                
-#endif
     
 // Helper for BOOST_concept, above.
 # define BOOST_CONCEPT_typename(r, ignored, index, t) \
diff --git a/include/boost/concept/requires.hpp b/include/boost/concept/requires.hpp
index 024ba74..7a74d2f 100644
--- a/include/boost/concept/requires.hpp
+++ b/include/boost/concept/requires.hpp
@@ -15,9 +15,6 @@ namespace boost {
 template <class Model, class More>
 struct requires_ : More
 {
-# if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
-    typedef typename More::type type;
-# endif 
     BOOST_CONCEPT_ASSERT((Model));
 };
 
@@ -34,9 +31,6 @@ struct _requires_
 template <int check, class Result>
 struct Requires_ : ::boost::parameter::aux::unaryfunptr_arg_type<Result>
 {
-# if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
-    typedef typename ::boost::parameter::aux::unaryfunptr_arg_type<Result>::type type;
-# endif 
 };
 
 # if BOOST_WORKAROUND(BOOST_INTEL_WIN, BOOST_TESTED_AT(1010))
@@ -45,7 +39,7 @@ struct Requires_ : ::boost::parameter::aux::unaryfunptr_arg_type<Result>
 #  define BOOST_CONCEPT_REQUIRES_(r,data,t) + (::boost::_requires_<void(*)t>::value)
 # endif
 
-#if defined(NDEBUG) || BOOST_WORKAROUND(BOOST_MSVC, < 1300)
+#if defined(NDEBUG)
 
 # define BOOST_CONCEPT_REQUIRES(models, result)                                    \
     typename ::boost::parameter::aux::unaryfunptr_arg_type<void(*)result>::type
diff --git a/include/boost/concept/usage.hpp b/include/boost/concept/usage.hpp
index 21547c3..e73370f 100644
--- a/include/boost/concept/usage.hpp
+++ b/include/boost/concept/usage.hpp
@@ -10,12 +10,6 @@
 
 namespace boost { namespace concepts { 
 
-# if BOOST_WORKAROUND(__GNUC__, == 2)
-
-#  define BOOST_CONCEPT_USAGE(model) ~model()
-
-# else 
-
 template <class Model>
 struct usage_requirements
 {
@@ -37,8 +31,6 @@ struct usage_requirements
 
 #  endif
 
-# endif 
-
 }} // namespace boost::concepts
 
 #endif // BOOST_CONCEPT_USAGE_DWA2006919_HPP