diff --git a/include/xo/stringtable2/string/IGCObject_DString.hpp b/include/xo/stringtable2/string/IGCObject_DString.hpp
index 3f8ec15..5d8a906 100644
--- a/include/xo/stringtable2/string/IGCObject_DString.hpp
+++ b/include/xo/stringtable2/string/IGCObject_DString.hpp
@@ -43,7 +43,6 @@ namespace xo {
             ///@{
             using size_type = xo::mm::AGCObject::size_type;
             using AAllocator = xo::mm::AGCObject::AAllocator;
-            //using ACollector = xo::mm::AGCObject::ACollector;
             using AGCObjectVisitor = xo::mm::AGCObject::AGCObjectVisitor;
             using VisitReason = xo::mm::AGCObject::VisitReason;
             using Copaque = xo::mm::AGCObject::Copaque;
@@ -67,4 +66,4 @@ when @p fn invokes garbage collector reentry point **/
     } /*namespace scm*/
 } /*namespace xo*/
 
-/* end */
+/* end */
\ No newline at end of file
diff --git a/include/xo/stringtable2/uniquestring/IGCObject_DUniqueString.hpp b/include/xo/stringtable2/uniquestring/IGCObject_DUniqueString.hpp
index 77c0ea6..7fe96c5 100644
--- a/include/xo/stringtable2/uniquestring/IGCObject_DUniqueString.hpp
+++ b/include/xo/stringtable2/uniquestring/IGCObject_DUniqueString.hpp
@@ -43,7 +43,6 @@ namespace xo {
             ///@{
             using size_type = xo::mm::AGCObject::size_type;
             using AAllocator = xo::mm::AGCObject::AAllocator;
-            using ACollector = xo::mm::AGCObject::ACollector;
             using AGCObjectVisitor = xo::mm::AGCObject::AGCObjectVisitor;
             using VisitReason = xo::mm::AGCObject::VisitReason;
             using Copaque = xo::mm::AGCObject::Copaque;