1 files changed, 1 insertions, 1 deletions
diff --git a/src/gc.c b/src/gc.c
index a7a67ebfa..211980b19 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -748,7 +748,7 @@ gc_mark_children(mrb_state *mrb, mrb_gc *gc, struct RBasic *obj)
     break;
 
   case MRB_TT_STRING:
-    if (RSTR_FSHARED_P(obj) && !RSTR_NOFREE_P(obj)) {
+    if (RSTR_FSHARED_P(obj)) {
       struct RString *s = (struct RString*)obj;
       mrb_gc_mark(mrb, (struct RBasic*)s->as.heap.aux.fshared);
     }