diff --git a/include/boost/openmethod/policies.hpp b/include/boost/openmethod/policies.hpp
index 18b3be4..39c7451 100644
--- a/include/boost/openmethod/policies.hpp
+++ b/include/boost/openmethod/policies.hpp
@@ -7,7 +7,6 @@
 #define BOOST_OPENMETHOD_POLICY_HPP
 
 #include <boost/openmethod/policies/basic_policy.hpp>
-
 #include <boost/openmethod/policies/std_rtti.hpp>
 #include <boost/openmethod/policies/vptr_vector.hpp>
 #include <boost/openmethod/policies/basic_error_output.hpp>
diff --git a/include/boost/openmethod/policies/basic_policy.hpp b/include/boost/openmethod/policies/basic_policy.hpp
index 2b047e1..1139158 100644
--- a/include/boost/openmethod/policies/basic_policy.hpp
+++ b/include/boost/openmethod/policies/basic_policy.hpp
@@ -21,6 +21,18 @@ namespace detail {
 using class_catalog = detail::static_list<detail::class_info>;
 using method_catalog = detail::static_list<detail::method_info>;
 
+template<typename Policy, class Facet>
+struct fork_facet {
+    using type = Facet;
+};
+
+template<
+    typename NewPolicy, typename OldPolicy,
+    template<typename...> class GenericFacet, typename... Args>
+struct fork_facet<NewPolicy, GenericFacet<OldPolicy, Args...>> {
+    using type = GenericFacet<NewPolicy, Args...>;
+};
+
 } // namespace detail
 
 namespace policies {
@@ -55,12 +67,6 @@ struct error_output : facet {};
 struct trace_output : facet {};
 struct runtime_checks : facet {};
 
-// -----------------------------------------------------------------------------
-// Facet implementations
-
-struct debug;
-struct release;
-
 // -----------------------------------------------------------------------------
 // domain
 
@@ -86,18 +92,6 @@ vptr_type domain<Policy>::static_vptr;
 template<class Policy>
 std::vector<std::uintptr_t> domain<Policy>::dispatch_data;
 
-template<typename Policy, class Facet>
-struct rebind_facet {
-    using type = Facet;
-};
-
-template<
-    typename NewPolicy, typename OldPolicy,
-    template<typename...> class GenericFacet, typename... Args>
-struct rebind_facet<NewPolicy, GenericFacet<OldPolicy, Args...>> {
-    using type = GenericFacet<NewPolicy, Args...>;
-};
-
 template<class Policy, class... Facets>
 struct basic_policy : abstract_policy, domain<Policy>, Facets... {
     using facets = mp11::mp_list<Facets...>;
@@ -107,7 +101,7 @@ struct basic_policy : abstract_policy, domain<Policy>, Facets... {
 
     template<class NewPolicy>
     using fork = basic_policy<
-        NewPolicy, typename rebind_facet<NewPolicy, Facets>::type...>;
+        NewPolicy, typename detail::fork_facet<NewPolicy, Facets>::type...>;
 
     template<class... MoreFacets>
     using add = basic_policy<Policy, Facets..., MoreFacets...>;
diff --git a/test/test_core.cpp b/test/test_core.cpp
index 3c261f8..1a5d45c 100644
--- a/test/test_core.cpp
+++ b/test/test_core.cpp
@@ -306,7 +306,7 @@ struct key2;
 struct alt_rtti {};
 
 static_assert(
-    std::is_same_v<rebind_facet<key2, domain<key1>>::type, domain<key2>>);
+    std::is_same_v<fork_facet<key2, domain<key1>>::type, domain<key2>>);
 
 struct policy1 : basic_policy<policy1, std_rtti> {};
 struct policy2 : policy1::fork<policy2> {};