diff --git a/include/boost/range/algorithm/unique.hpp b/include/boost/range/algorithm/unique.hpp
old mode 100755
new mode 100644
index be6eaf9..9901c24
--- a/include/boost/range/algorithm/unique.hpp
+++ b/include/boost/range/algorithm/unique.hpp
@@ -86,7 +86,7 @@ unique( const ForwardRange& rng )
 /// \overload
 template< class ForwardRange, class BinaryPredicate >
 inline BOOST_DEDUCED_TYPENAME range_return<ForwardRange, return_begin_found>::type
-unique( ForwardRange& rng, BinaryPredicate pred )
+unique( ForwardRange& rng, BinaryPredicate )
 {
     BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
     return ::boost::range::unique<return_begin_found>(rng);
diff --git a/include/boost/range/detail/range_return.hpp b/include/boost/range/detail/range_return.hpp
old mode 100755
new mode 100644
index 52a6073..773a72a
--- a/include/boost/range/detail/range_return.hpp
+++ b/include/boost/range/detail/range_return.hpp
@@ -168,7 +168,7 @@ namespace boost
         typedef boost::iterator_range<
             BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange>::type > type;
 
-        static type pack(BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange>::type found,
+        static type pack(BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange>::type,
                          SinglePassRange& rng)
         {
             return type(boost::begin(rng), boost::end(rng));