diff --git a/include/boost/container/detail/iterators.hpp b/include/boost/container/detail/iterators.hpp
index f58c4ce..bba7205 100644
--- a/include/boost/container/detail/iterators.hpp
+++ b/include/boost/container/detail/iterators.hpp
@@ -114,7 +114,7 @@ class constant_iterator
    const T& operator*() const
    { return dereference(); }
 
-   const T& operator[] (Difference n) const
+   const T& operator[] (Difference ) const
    { return dereference(); }
 
    const T* operator->() const
@@ -335,7 +335,7 @@ class repeat_iterator
    T& operator*() const
    { return dereference(); }
 
-   T& operator[] (Difference n) const
+   T& operator[] (Difference ) const
    { return dereference(); }
 
    T *operator->() const
diff --git a/include/boost/container/vector.hpp b/include/boost/container/vector.hpp
index 06d2c3f..dac536a 100644
--- a/include/boost/container/vector.hpp
+++ b/include/boost/container/vector.hpp
@@ -530,7 +530,7 @@ struct vector_alloc_holder<Allocator, container_detail::integral_constant<unsign
       this->priv_swap_members_impl(x);
    }
 
-   void move_from_empty(vector_alloc_holder &x)
+   void move_from_empty(vector_alloc_holder &)
    {  //Containers with version 0 allocators can't be moved without move elements one by one
       throw_bad_alloc();
    }