1 files changed, 0 insertions, 2 deletions
diff --git a/variable.c b/variable.c
index 3cd6122533..b4af07f9c2 100644
--- a/variable.c
+++ b/variable.c
@@ -873,8 +873,6 @@ rb_ivar_defined(obj, id)
     VALUE obj;
     ID id;
 {
-    if (!rb_is_instance_id(id)) return Qfalse;
-
     switch (TYPE(obj)) {
       case T_OBJECT:
       case T_CLASS: