diff --git a/include/xo/alloc2/gc/RCollector_aux.hpp b/include/xo/alloc2/gc/RCollector_aux.hpp
index 8198f644..e115e9b4 100644
--- a/include/xo/alloc2/gc/RCollector_aux.hpp
+++ b/include/xo/alloc2/gc/RCollector_aux.hpp
@@ -10,32 +10,6 @@
 
 #pragma once
 
-#include <xo/facet/FacetRegistry.hpp>
-
-namespace xo {
-    namespace mm {
-        class ACollector;
-        class AGCObject;
-
-        // ----- mm_do_assign -----
-
-        /** gc-aware assignment; engage special book-keeping for cross-gen pointers **/
-        inline void mm_do_assign(obj<ACollector> & gc,
-                                 void * parent,
-                                 obj<AGCObject> * p_lhs,
-                                 obj<AGCObject> & rhs)
-        {
-            if (gc.data()) {
-                gc.assign_member(parent, p_lhs, rhs);
-            } else {
-                // assume null collector downstream from allocator that does not provide collection.
-                // In that no additional assignment work.
-
-                *p_lhs = rhs;
-            }
-        };
-
-    } /*namespace mm*/
-} /*namespace xo*/
+//#include <xo/facet/FacetRegistry.hpp>
 
 /* end RCollector_aux.hpp */
diff --git a/utest/CMakeLists.txt b/utest/CMakeLists.txt
index c885daa4..a19d1f47 100644
--- a/utest/CMakeLists.txt
+++ b/utest/CMakeLists.txt
@@ -13,6 +13,7 @@ set(UTEST_SRCS
     Generation.test.cpp
     Role.test.cpp
     VisitReason.test.cpp
+    ResourceVisitor.test.cpp
     dp.test.cpp
     random_allocs.cpp
 )
diff --git a/utest/ResourceVisitor.test.cpp b/utest/ResourceVisitor.test.cpp
new file mode 100644
index 00000000..0869d387
--- /dev/null
+++ b/utest/ResourceVisitor.test.cpp
@@ -0,0 +1,25 @@
+/** @file ResourceVisitor.test.cpp
+ *
+ *  @author Roland Conybeare, May 2026
+ **/
+
+#include <xo/alloc2/ResourceVisitor.hpp>
+#include <catch2/catch.hpp>
+
+namespace xo {
+    using xo::mm::AResourceVisitor;
+
+    namespace ut {
+
+        TEST_CASE("ResourceVisitor-1", "[resourcevisitor]")
+        {
+            obj<AResourceVisitor> v;
+
+            REQUIRE(v.iface());
+            REQUIRE(!v.iface()->_has_null_vptr());
+        }
+
+    }
+} /*namespace xo*/
+
+/* end ResourceVisitor.test.cpp */
diff --git a/utest/VisitReason.test.cpp b/utest/VisitReason.test.cpp
index ceef9a06..44bfcc38 100644
--- a/utest/VisitReason.test.cpp
+++ b/utest/VisitReason.test.cpp
@@ -11,7 +11,7 @@ namespace xo {
 
     namespace ut {
 
-        TEST_CASE("visitreason-1", "[visitreason]")
+        TEST_CASE("VisitReason-1", "[visitreason]")
         {
             REQUIRE(VisitReason::unspecified() == VisitReason::unspecified());