diff -r a61827ccf94f boost/boost/type_erasure/is_placeholder.hpp
--- a/boost/type_erasure/is_placeholder.hpp	Thu Nov 19 19:11:45 2015 -0500
+++ b/boost/type_erasure/is_placeholder.hpp	Mon Nov 23 07:00:39 2015 -0500
@@ -13,13 +13,12 @@
 
 #include <boost/mpl/bool.hpp>
 #include <boost/type_traits/is_base_and_derived.hpp>
+// https://svn.boost.org/trac/boost/ticket/11181
+#include <boost/iterator/iterator_adaptor.hpp> // use_default
 #include <boost/type_erasure/placeholder.hpp>
 
 namespace boost {
 
-/** INTERNAL ONLY */
-struct use_default;
-
 namespace type_erasure {
 
 /** A metafunction that indicates whether a type is a @ref placeholder. */
diff -r a61827ccf94f boost/boost/type_erasure/iterator.hpp
--- a/boost/type_erasure/iterator.hpp	Thu Nov 19 19:11:45 2015 -0500
+++ b/boost/type_erasure/iterator.hpp	Mon Nov 23 07:00:39 2015 -0500
@@ -15,6 +15,8 @@
 #include <boost/mpl/vector.hpp>
 #include <boost/mpl/if.hpp>
 #include <boost/iterator/iterator_categories.hpp>
+// https://svn.boost.org/trac/boost/ticket/11181
+#include <boost/iterator/iterator_adaptor.hpp> // use_default
 #include <boost/type_traits/remove_const.hpp>
 #include <boost/type_traits/remove_reference.hpp>
 #include <boost/type_erasure/operators.hpp>
@@ -24,8 +26,6 @@
 
 namespace boost {
 
-struct use_default;
-
 namespace type_erasure {
 
 namespace detail {