diff --git a/include/boost/unordered/unordered_flat_map.hpp b/include/boost/unordered/unordered_flat_map.hpp
index b7106e24..64df3a33 100644
--- a/include/boost/unordered/unordered_flat_map.hpp
+++ b/include/boost/unordered/unordered_flat_map.hpp
@@ -97,6 +97,16 @@ namespace boost {
       {
       }
 
+      ~unordered_flat_map() = default;
+
+      unordered_flat_map& operator=(unordered_flat_map const& other)
+      {
+        if (this != &other) {
+          table_ = other.table_;
+        }
+        return *this;
+      }
+
       allocator_type get_allocator() const noexcept
       {
         return table_.get_allocator();
diff --git a/include/boost/unordered/unordered_flat_set.hpp b/include/boost/unordered/unordered_flat_set.hpp
index 3a1f5178..96aaf699 100644
--- a/include/boost/unordered/unordered_flat_set.hpp
+++ b/include/boost/unordered/unordered_flat_set.hpp
@@ -96,6 +96,16 @@ namespace boost {
       {
       }
 
+      ~unordered_flat_set() = default;
+
+      unordered_flat_set& operator=(unordered_flat_set const& other)
+      {
+        if (this != &other) {
+          table_ = other.table_;
+        }
+        return *this;
+      }
+
       allocator_type get_allocator() const noexcept
       {
         return table_.get_allocator();