diff --git a/bench/detail/varray.hpp b/bench/detail/varray.hpp
index ca29c14..6db4f1e 100644
--- a/bench/detail/varray.hpp
+++ b/bench/detail/varray.hpp
@@ -1902,7 +1902,7 @@ public:
     // strong
     varray(varray const& other)
     {
-        //errh::check_capacity(*this, count);
+        errh::check_capacity(*this, other.size());
     }
 
     // strong
@@ -1922,7 +1922,7 @@ public:
     // basic
     varray & operator=(varray const& other)
     {
-        //errh::check_capacity(*this, other.size());
+        errh::check_capacity(*this, other.size());
         return *this;
     }
 
diff --git a/bench/detail/varray_util.hpp b/bench/detail/varray_util.hpp
index 043e9e9..cf8c337 100644
--- a/bench/detail/varray_util.hpp
+++ b/bench/detail/varray_util.hpp
@@ -406,7 +406,7 @@ O move_if_noexcept(I first, I last, O dst)
 
 template <typename I>
 inline
-void uninitialized_fill_dispatch(I first, I last,
+void uninitialized_fill_dispatch(I , I ,
                                  bcd::true_type const& /*is_trivially_default_constructible*/,
                                  bcd::true_type const& /*disable_trivial_init*/)
 {}
@@ -458,7 +458,7 @@ void uninitialized_fill(I first, I last, DisableTrivialInit const& disable_trivi
 
 template <typename I>
 inline
-void construct_dispatch(bcd::true_type const& /*dont_init*/, I pos)
+void construct_dispatch(bcd::true_type const& /*dont_init*/, I /*pos*/)
 {}
 
 template <typename I>