1 files changed, 2 insertions, 2 deletions
diff --git a/shape.h b/shape.h
index 8ed51c6211..96feae99fd 100644
--- a/shape.h
+++ b/shape.h
@@ -51,7 +51,6 @@ enum shape_type {
     SHAPE_IVAR,
     SHAPE_FROZEN,
     SHAPE_CAPACITY_CHANGE,
-    SHAPE_IVAR_UNDEF,
     SHAPE_INITIAL_CAPACITY,
     SHAPE_T_OBJECT,
 };
@@ -125,6 +124,7 @@ bool rb_shape_root_shape_p(rb_shape_t* shape);
 rb_shape_t * rb_shape_get_root_shape(void);
 uint8_t rb_shape_id_num_bits(void);
 int32_t rb_shape_id_offset(void);
+unsigned int rb_shape_depth(rb_shape_t * shape);
 
 rb_shape_t* rb_shape_get_shape_by_id_without_assertion(shape_id_t shape_id);
 rb_shape_t * rb_shape_get_parent(rb_shape_t * shape);
@@ -136,7 +136,7 @@ shape_id_t rb_shape_get_shape_id(VALUE obj);
 rb_shape_t* rb_shape_get_shape(VALUE obj);
 int rb_shape_frozen_shape_p(rb_shape_t* shape);
 void rb_shape_transition_shape_frozen(VALUE obj);
-void rb_shape_transition_shape_remove_ivar(VALUE obj, ID id, rb_shape_t *shape);
+void rb_shape_transition_shape_remove_ivar(VALUE obj, ID id, rb_shape_t *shape, VALUE * removed);
 rb_shape_t * rb_shape_transition_shape_capa(rb_shape_t * shape, uint32_t new_capacity);
 rb_shape_t * rb_shape_get_next_iv_shape(rb_shape_t * shape, ID id);
 rb_shape_t* rb_shape_get_next(rb_shape_t* shape, VALUE obj, ID id);