--- boost/bimap/detail/bimap_core.hpp
+++ boost/bimap/detail/bimap_core.hpp
@@ -404,8 +404,8 @@
     <
         relation,
         core_indices,
-        BOOST_DEDUCED_TYPENAME parameters::allocator::
-            BOOST_NESTED_TEMPLATE rebind<relation>::other
+        typename std::allocator_traits<BOOST_DEDUCED_TYPENAME parameters::allocator>::
+            BOOST_NESTED_TEMPLATE rebind_alloc<relation>
 
     > core_type;
 
--- boost/format/alt_sstream_impl.hpp
+++ boost/format/alt_sstream_impl.hpp
@@ -258,7 +258,7 @@
                     void *vdptr = alloc_.allocate(new_size, is_allocated_? oldptr : 0);
                     newptr = static_cast<Ch *>(vdptr);
 #else
-                    newptr = alloc_.allocate(new_size, is_allocated_? oldptr : 0);
+                    newptr = std::allocator_traits<compat_allocator_type>::allocate(alloc_, new_size, is_allocated_? oldptr : 0);
 #endif
                 }