diff --git a/include/boost/function.hpp b/include/boost/function.hpp
index 48fd523..d71264c 100644
--- a/include/boost/function.hpp
+++ b/include/boost/function.hpp
@@ -20,17 +20,8 @@
 #define BOOST_FUNCTION_MAX_ARGS_DEFINED 0
 #endif
 
-#include <functional> // unary_function, binary_function
-
-#include <boost/preprocessor/iterate.hpp>
-#include <boost/config/workaround.hpp>
-
-// Include the prologue here so that the use of file-level iteration
-// in anything that may be included by function_template.hpp doesn't break
 #include <boost/function/detail/prologue.hpp>
-
 #include <boost/function/detail/maybe_include.hpp>
-
 #include <boost/function/detail/epilogue.hpp>
 
 #endif // !defined(BOOST_FUNCTION_MAX_ARGS_DEFINED) || (BOOST_FUNCTION_MAX_ARGS_DEFINED != BOOST_FUNCTION_MAX_ARGS)
diff --git a/include/boost/function/detail/prologue.hpp b/include/boost/function/detail/prologue.hpp
index 2edebe0..2af12b8 100644
--- a/include/boost/function/detail/prologue.hpp
+++ b/include/boost/function/detail/prologue.hpp
@@ -10,18 +10,12 @@
 #ifndef BOOST_FUNCTION_PROLOGUE_HPP
 #define BOOST_FUNCTION_PROLOGUE_HPP
 #  include <boost/function/detail/requires_cxx11.hpp>
-#  include <cassert>
-#  include <algorithm>
-#  include <boost/config/no_tr1/functional.hpp> // unary_function, binary_function
-#  include <boost/throw_exception.hpp>
-#  include <boost/config.hpp>
 #  include <boost/function/function_base.hpp>
 #  include <boost/mem_fn.hpp>
+#  include <boost/throw_exception.hpp>
 #  include <boost/type_traits/is_integral.hpp>
-#  include <boost/preprocessor/enum.hpp>
-#  include <boost/preprocessor/enum_params.hpp>
-#  include <boost/preprocessor/cat.hpp>
-#  include <boost/preprocessor/repeat.hpp>
-#  include <boost/preprocessor/inc.hpp>
 #  include <boost/type_traits/is_void.hpp>
+#  include <boost/config.hpp>
+#  include <algorithm>
+#  include <cassert>
 #endif // BOOST_FUNCTION_PROLOGUE_HPP