1 files changed, 0 insertions, 1 deletions
diff --git a/vm_core.h b/vm_core.h
index 78396d12fb..1c3d0cc548 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -127,7 +127,6 @@ union iseq_inline_storage_entry {
     struct {
 	struct rb_thread_struct *running_thread;
 	VALUE value;
-	VALUE done;
     } once;
     struct iseq_inline_cache_entry cache;
 };