1 files changed, 0 insertions, 4 deletions
diff --git a/src/gc.c b/src/gc.c
index 0fff408f3..bd633a9fe 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -872,10 +872,6 @@ root_scan_phase(mrb_state *mrb, mrb_gc *gc)
   mrb_gc_mark(mrb, (struct RBasic*)mrb->exc);
   /* mark backtrace */
   mrb_gc_mark(mrb, (struct RBasic*)mrb->backtrace.exc);
-  e = (size_t)mrb->backtrace.n;
-  for (i=0; i<e; i++) {
-    mrb_gc_mark(mrb, (struct RBasic*)mrb->backtrace.entries[i].klass);
-  }
   /* mark pre-allocated exception */
   mrb_gc_mark(mrb, (struct RBasic*)mrb->nomem_err);
   mrb_gc_mark(mrb, (struct RBasic*)mrb->stack_err);