diff --git a/Include/cpython/pystate.h b/Include/cpython/pystate.h
index 555641943423b4..bd9d8aaefe5400 100644
--- a/Include/cpython/pystate.h
+++ b/Include/cpython/pystate.h
@@ -157,6 +157,11 @@ struct _ts {
      */
     unsigned long native_thread_id;
 
+    /* List of objects that still need to be cleaned up, singly linked
+     * via their gc headers' gc_next pointers. The list is populated by
+     * _PyTrash_thread_deposit_object and cleaned up by
+     * _PyTrash_thread_destroy_chain.
+     */
     PyObject *delete_later;
 
     /* Tagged pointer to top-most critical section, or zero if there is no
diff --git a/Include/internal/pycore_interp_structs.h b/Include/internal/pycore_interp_structs.h
index fa9568ab4d0e85..e3a66ea5f53b62 100644
--- a/Include/internal/pycore_interp_structs.h
+++ b/Include/internal/pycore_interp_structs.h
@@ -202,12 +202,6 @@ enum _GCPhase {
 #define NUM_GENERATIONS 3
 
 struct _gc_runtime_state {
-    /* List of objects that still need to be cleaned up, singly linked
-     * via their gc headers' gc_prev pointers.  */
-    PyObject *trash_delete_later;
-    /* Current call-stack depth of tp_dealloc calls. */
-    int trash_delete_nesting;
-
     /* Is automatic collection enabled? */
     int enabled;
     int debug;
diff --git a/Objects/object.c b/Objects/object.c
index 1f10c2531fead1..0540112d7d2acf 100644
--- a/Objects/object.c
+++ b/Objects/object.c
@@ -3051,7 +3051,7 @@ Py_ReprLeave(PyObject *obj)
 
 /* Trashcan support. */
 
-/* Add op to the gcstate->trash_delete_later list.  Called when the current
+/* Add op to the tstate->delete_later list.  Called when the current
  * call-stack depth gets large.  op must be a gc'ed object, with refcount 0.
  *  Py_DECREF must already have been called on it.
  */
@@ -3077,7 +3077,7 @@ _PyTrash_thread_deposit_object(PyThreadState *tstate, PyObject *op)
     tstate->delete_later = op;
 }
 
-/* Deallocate all the objects in the gcstate->trash_delete_later list.
+/* Deallocate all the objects in the tstate->delete_later list.
  * Called when the call-stack unwinds again. */
 void
 _PyTrash_thread_destroy_chain(PyThreadState *tstate)