diff --git a/include/xo/object2/DArray.hpp b/include/xo/object2/DArray.hpp
index 2dc8e93..64d7f52 100644
--- a/include/xo/object2/DArray.hpp
+++ b/include/xo/object2/DArray.hpp
@@ -203,7 +203,6 @@ namespace xo {
         DArray *
         DArray::array(obj<AAllocator> mm, Args... args)
         {
-            //obj<ACollector> gc = mm.try_to_facet<ACollector>();
             DArray * result = _empty(mm, sizeof...(args));
             if (result) {
                 detail::do_array_push_back(result, mm, args...);
diff --git a/src/object2/DArray.cpp b/src/object2/DArray.cpp
index b22b748..2a5c590 100644
--- a/src/object2/DArray.cpp
+++ b/src/object2/DArray.cpp
@@ -4,7 +4,6 @@
  **/
 
 #include "DArray.hpp"
-//#include "gc/RCollector_aux.hpp"
 #include <xo/printable2/Printable.hpp>
 #include <xo/facet/FacetRegistry.hpp>
 #include <xo/indentlog/print/pretty.hpp>
@@ -16,7 +15,6 @@ namespace xo {
     using xo::print::APrintable;
     using xo::facet::FacetRegistry;
     using xo::mm::AGCObject;
-    //using xo::mm::mm_do_assign;
     using xo::facet::typeseq;
 
     namespace scm {
diff --git a/src/object2/DDictionary.cpp b/src/object2/DDictionary.cpp
index 2f52cae..9e05cfa 100644
--- a/src/object2/DDictionary.cpp
+++ b/src/object2/DDictionary.cpp
@@ -148,7 +148,6 @@ namespace xo {
             const DString * k1 = DString::from_cstr(mm, key_cstr);
 
             if (k1) {
-                //obj<ACollector> gc = mm.try_to_facet<ACollector>();
                 return this->try_upsert(mm, std::make_pair(k1, value));
             }
 
@@ -181,8 +180,6 @@ namespace xo {
         bool
         DDictionary::upsert(obj<AAllocator> mm, const pair_type & kv_pair)
         {
-            //obj<ACollector> gc = mm.try_to_facet<ACollector>();
-
             if (this->try_update(mm, kv_pair))
                 return true;