Index: boost/fusion/adapted/std_tuple/tag_of.hpp
===================================================================
--- boost/fusion/adapted/std_tuple/tag_of.hpp	(revision 78075)
+++ boost/fusion/adapted/std_tuple/tag_of.hpp	(working copy)
@@ -10,12 +10,6 @@
 #include <tuple>
 #include <boost/fusion/support/tag_of_fwd.hpp>
 
-namespace std
-{
-    template <typename... Elements>
-    class tuple;
-}
-
 namespace boost { namespace fusion
 {
     struct std_tuple_tag;
Index: libs/fusion/test/sequence/io.cpp
===================================================================
--- libs/fusion/test/sequence/io.cpp	(revision 78075)
+++ libs/fusion/test/sequence/io.cpp	(working copy)
@@ -103,7 +103,7 @@
     useThisIStringStream is("(100 200 300)");
 
     vector<int, int, int> ti;
-    BOOST_TEST(bool((is >> ti) != 0));
+    BOOST_TEST(bool(is >> ti) != 0);
     BOOST_TEST(ti == make_vector(100, 200, 300));
 
     // Note that strings are problematic: