diff --git a/include/xo/gc/detail/ICollector_DX1Collector.hpp b/include/xo/gc/detail/ICollector_DX1Collector.hpp
index 1db50e2..9e4c56a 100644
--- a/include/xo/gc/detail/ICollector_DX1Collector.hpp
+++ b/include/xo/gc/detail/ICollector_DX1Collector.hpp
@@ -47,6 +47,7 @@ namespace xo {
 
             static bool install_type(DX1Collector & d, const AGCObject & iface);
             static void add_gc_root_poly(DX1Collector & d, obj<AGCObject> * p_root);
+            static void remove_gc_root_poly(DX1Collector & d, obj<AGCObject> * p_root);
             static void request_gc(DX1Collector & d, generation upto);
             static void forward_inplace(DX1Collector & d, AGCObject * lhs_iface, void ** lhs_data);
 
diff --git a/src/gc/DX1Collector.cpp b/src/gc/DX1Collector.cpp
index 78d2734..25665d7 100644
--- a/src/gc/DX1Collector.cpp
+++ b/src/gc/DX1Collector.cpp
@@ -287,6 +287,14 @@ namespace xo {
             *(obj<AGCObject> **)mem = p_root;
         }
 
+        void
+        DX1Collector::remove_gc_root_poly(obj<AGCObject> * p_root) noexcept
+        {
+            // iterate over roots_, find p_root and drop it
+
+            (void)p_root;
+        }
+
         void
         DX1Collector::request_gc(generation upto) noexcept
         {
diff --git a/src/gc/ICollector_DX1Collector.cpp b/src/gc/ICollector_DX1Collector.cpp
index e30182d..781fcfe 100644
--- a/src/gc/ICollector_DX1Collector.cpp
+++ b/src/gc/ICollector_DX1Collector.cpp
@@ -67,6 +67,13 @@ namespace xo {
             d.add_gc_root_poly(p_root);
         }
 
+        void
+        ICollector_DX1Collector::remove_gc_root_poly(DX1Collector & d,
+                                                     obj<AGCObject> * p_root)
+        {
+            d.remove_gc_root_poly(p_root);
+        }
+
         void
         ICollector_DX1Collector::request_gc(DX1Collector & d,
                                             generation upto)