diff --git a/doc/intrusive.qbk b/doc/intrusive.qbk
index 8223e43..6157d28 100644
--- a/doc/intrusive.qbk
+++ b/doc/intrusive.qbk
@@ -3886,7 +3886,14 @@ to be inserted in intrusive containers are allocated using `std::vector` or `std
 
 [section:release_notes Release Notes]
 
-[section:release_notes_boost_1_80_00 Boost 1.80 Release]
+[section:release_notes_boost_1_82_00 Boost 1.82 Release]
+
+* Fixed bugs:
+   * [@https://github.com/boostorg/intrusive/pull/77 GitHub #77: ['Suppress unused variable warnings on node_count (clang 15)]]
+
+[endsect]
+
+[section:release_notes_boost_1_81_00 Boost 1.81 Release]
 
 * Semi-intrusive hash containers rewritten to reduce compilation times and improve runtime performance.
 
diff --git a/include/boost/intrusive/list.hpp b/include/boost/intrusive/list.hpp
index 23b3c10..62291b4 100644
--- a/include/boost/intrusive/list.hpp
+++ b/include/boost/intrusive/list.hpp
@@ -1348,7 +1348,7 @@ class list_impl
             BOOST_INTRUSIVE_INVARIANT_ASSERT(this->priv_size_traits().get_size() == 0);
          return;
       }
-      size_t node_count = 0;
+      size_t node_count = 0; (void)node_count;
       const_node_ptr p = header_ptr;
       while (true)
       {
diff --git a/include/boost/intrusive/slist.hpp b/include/boost/intrusive/slist.hpp
index ac64e41..7319bf3 100644
--- a/include/boost/intrusive/slist.hpp
+++ b/include/boost/intrusive/slist.hpp
@@ -1936,7 +1936,7 @@ class slist_impl
          BOOST_INTRUSIVE_INVARIANT_ASSERT(!constant_time_size || this->priv_size_traits().get_size() == 0);
          return;
       }
-      size_t node_count = 0;
+      size_t node_count = 0; (void)node_count;
       const_node_ptr p = header_ptr;
       while (true)
       {