diff --git a/include/boost/algorithm/cxx11/is_permutation.hpp b/include/boost/algorithm/cxx11/is_permutation.hpp
index 0923686..31470c7 100644
--- a/include/boost/algorithm/cxx11/is_permutation.hpp
+++ b/include/boost/algorithm/cxx11/is_permutation.hpp
@@ -14,8 +14,8 @@
 
 #include <algorithm>    // for std::less, tie, mismatch and is_permutation (if available)
 #include <utility>      // for std::make_pair
+#include <functional>   // for std::equal_to
 #include <iterator>
-#include <iostream>
 
 #include <boost/range/begin.hpp>
 #include <boost/range/end.hpp>
diff --git a/include/boost/algorithm/cxx11/ordered.hpp b/include/boost/algorithm/cxx11/ordered.hpp
index 76d4112..b9522df 100644
--- a/include/boost/algorithm/cxx11/ordered.hpp
+++ b/include/boost/algorithm/cxx11/ordered.hpp
@@ -233,7 +233,7 @@ using std::is_sorted;       // Section 25.4.1.5
     bool is_strictly_increasing ( ForwardIterator first, ForwardIterator last )
     {
         typedef typename std::iterator_traits<ForwardIterator>::value_type value_type;
-        return is_sorted (first, last, std::less<value_type>());
+        return boost::algorithm::is_sorted (first, last, std::less<value_type>());
     }
 
 /// \fn is_strictly_increasing ( const R &range )