diff --git a/include/boost/unordered/unordered_flat_map.hpp b/include/boost/unordered/unordered_flat_map.hpp
index 786d8160..f65ef252 100644
--- a/include/boost/unordered/unordered_flat_map.hpp
+++ b/include/boost/unordered/unordered_flat_map.hpp
@@ -437,14 +437,14 @@ namespace boost {
         return table_.try_emplace(std::move(key)).first->second;
       }
 
-      size_type count(key_type const& key) const
+      BOOST_FORCEINLINE size_type count(key_type const& key) const
       {
         auto pos = table_.find(key);
         return pos != table_.end() ? 1 : 0;
       }
 
       template <class K>
-      typename std::enable_if<
+      BOOST_FORCEINLINE typename std::enable_if<
         detail::are_transparent<K, hasher, key_equal>::value, size_type>::type
       count(K const& key) const
       {
diff --git a/include/boost/unordered/unordered_flat_set.hpp b/include/boost/unordered/unordered_flat_set.hpp
index 413144dd..83dddc7f 100644
--- a/include/boost/unordered/unordered_flat_set.hpp
+++ b/include/boost/unordered/unordered_flat_set.hpp
@@ -313,14 +313,14 @@ namespace boost {
       /// Lookup
       ///
 
-      size_type count(key_type const& key) const
+      BOOST_FORCEINLINE size_type count(key_type const& key) const
       {
         auto pos = table_.find(key);
         return pos != table_.end() ? 1 : 0;
       }
 
       template <class K>
-      typename std::enable_if<
+      BOOST_FORCEINLINE typename std::enable_if<
         detail::are_transparent<K, hasher, key_equal>::value, size_type>::type
       count(K const& key) const
       {