1 files changed, 0 insertions, 1 deletions
diff --git a/class.c b/class.c
index fed2edf4ee..e4d830641c 100644
--- a/class.c
+++ b/class.c
@@ -852,7 +852,6 @@ class_instance_method_list(int argc, VALUE *argv, VALUE mod, int (*func) (ID, lo
     for (; mod; mod = RCLASS_SUPER(mod)) {
 	st_foreach(RCLASS_M_TBL(mod), method_entry, (st_data_t)list);
 	if (BUILTIN_TYPE(mod) == T_ICLASS) continue;
-	if (FL_TEST(mod, FL_SINGLETON)) continue;
 	if (!recur) break;
     }
     ary = rb_ary_new();