1 files changed, 0 insertions, 1 deletions
diff --git a/iseq.h b/iseq.h
index f1d446ccb7..5d24b81601 100644
--- a/iseq.h
+++ b/iseq.h
@@ -90,7 +90,6 @@ ISEQ_ORIGINAL_ISEQ_ALLOC(const rb_iseq_t *iseq, long size)
 struct iseq_compile_data {
     /* GC is needed */
     const VALUE err_info;
-    VALUE mark_ary;
     const VALUE catch_table_ary;	/* Array */
 
     /* GC is not needed */