diff --git a/src/gc/DX1Collector.cpp b/src/gc/DX1Collector.cpp
index a2d4d83..031e922 100644
--- a/src/gc/DX1Collector.cpp
+++ b/src/gc/DX1Collector.cpp
@@ -6,10 +6,7 @@
 #include "X1Collector.hpp"
 #include <xo/alloc2/GCObject.hpp>
 #include <xo/alloc2/Allocator.hpp>
-//#include "detail/IAllocator_DX1Collector.hpp"
-//#include "detail/ICollector_DX1Collector.hpp"
-#include "arena/IAllocator_DArena.hpp"
-//#include <xo/gc/DX1Collector.hpp>
+#include <xo/alloc2/Arena.hpp>
 #include <xo/gc/DX1CollectorIterator.hpp>
 #include <xo/alloc2/generation.hpp>
 #include "object_age.hpp"