diff --git a/include/xo/reader2/env/IGCObject_DGlobalEnv.hpp b/include/xo/reader2/env/IGCObject_DGlobalEnv.hpp
index 8efa3c27..b8fb15f0 100644
--- a/include/xo/reader2/env/IGCObject_DGlobalEnv.hpp
+++ b/include/xo/reader2/env/IGCObject_DGlobalEnv.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;
diff --git a/include/xo/reader2/parser/IGCObject_DSchematikaParser.hpp b/include/xo/reader2/parser/IGCObject_DSchematikaParser.hpp
index 586678cd..0143ba76 100644
--- a/include/xo/reader2/parser/IGCObject_DSchematikaParser.hpp
+++ b/include/xo/reader2/parser/IGCObject_DSchematikaParser.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;
diff --git a/include/xo/reader2/ssm/ISyntaxStateMachine_Xfer.hpp b/include/xo/reader2/ssm/ISyntaxStateMachine_Xfer.hpp
index 1d971d3b..e0c3bee5 100644
--- a/include/xo/reader2/ssm/ISyntaxStateMachine_Xfer.hpp
+++ b/include/xo/reader2/ssm/ISyntaxStateMachine_Xfer.hpp
@@ -9,10 +9,18 @@
  *       [iface_facet_any.hpp.j2]
  *  3. idl for facet methods
  *       [idl/SyntaxStateMachine.json5]
+ *
+ *  variables:
+ *    {facet_hpp_fname} -> SyntaxStateMachine.hpp
+ *    {impl_hpp_subdir} -> ssm
+ *    {facet_ns1} -> xo
+ *    {facet_detail_subdir} -> ssm
+ *    {abstract_facet_fname} -> ASyntaxStateMachine.hpp
  **/
 
 #pragma once
 
+#include "ASyntaxStateMachine.hpp"
 #include "ParserStateMachine.hpp"
 #include "syntaxstatetype.hpp"
 #include <xo/type/Type.hpp>