diff --git a/doc/container.qbk b/doc/container.qbk
index 4efb6781..e5d6f579 100644
--- a/doc/container.qbk
+++ b/doc/container.qbk
@@ -1341,6 +1341,7 @@ use [*Boost.Container]? There are several reasons for that:
 [section:release_notes_boost_1_80_00 Boost 1.80 Release]
 
 * Fixed bugs/issues:
+   * [@https://github.com/boostorg/container/issues/209 GitHub #209: ['"Some boost warnings with my R package (Wclass-memaccess warnings with std::pair)"]].
    * [@https://github.com/boostorg/container/issues/221 GitHub #218: ['"small_vector static capacity is too small when not a multiple of 8 bytes"]].
    * [@https://github.com/boostorg/container/issues/221 GitHub #221: ['"flat_set and friends should offer a const sequence_type& sequence() const method (...)"]].
    * [@https://github.com/boostorg/container/pull/222   GitHub #222: ['"Fix incomplete type error when using list with pair"]].
diff --git a/include/boost/container/detail/pair.hpp b/include/boost/container/detail/pair.hpp
index 1537cf72..56b2fb83 100644
--- a/include/boost/container/detail/pair.hpp
+++ b/include/boost/container/detail/pair.hpp
@@ -556,8 +556,7 @@ template<class A, class B>
 struct is_trivially_copy_assignable
    <boost::container::dtl::pair<A,B> >
 {
-   static const bool value = boost::move_detail::is_trivially_copy_assignable<A>::value &&
-                             boost::move_detail::is_trivially_copy_assignable<B>::value ;
+   static const bool value = false ;
 };
 
 template<class T>
@@ -567,8 +566,7 @@ template<class A, class B>
 struct is_trivially_move_assignable
    <boost::container::dtl::pair<A,B> >
 {
-   static const bool value = boost::move_detail::is_trivially_move_assignable<A>::value &&
-                             boost::move_detail::is_trivially_move_assignable<B>::value ;
+   static const bool value = false;
 };
 
 template<class T>
@@ -577,8 +575,7 @@ struct is_trivially_copy_assignable;
 template<class A, class B>
 struct is_trivially_copy_constructible<boost::container::dtl::pair<A,B> >
 {
-   static const bool value = boost::move_detail::is_trivially_copy_constructible<A>::value &&
-                             boost::move_detail::is_trivially_copy_constructible<B>::value ;
+   static const bool value = false;
 };
 
 template<class T>
@@ -587,8 +584,7 @@ struct is_trivially_move_assignable;
 template<class A, class B>
 struct is_trivially_move_constructible<boost::container::dtl::pair<A,B> >
 {
-   static const bool value = boost::move_detail::is_trivially_move_constructible<A>::value &&
-                             boost::move_detail::is_trivially_move_constructible<B>::value ;
+   static const bool value = false;
 };
 
 template<class T>