diff --git a/py/obj.h b/py/obj.h
index d756d237ab..de740bf4cc 100644
--- a/py/obj.h
+++ b/py/obj.h
@@ -502,9 +502,7 @@ static inline bool mp_map_slot_is_filled(const mp_map_t *map, size_t pos) {
 
 void mp_map_init(mp_map_t *map, size_t n);
 void mp_map_init_fixed_table(mp_map_t *map, size_t n, const mp_obj_t *table);
-mp_map_t *mp_map_new(size_t n);
 void mp_map_deinit(mp_map_t *map);
-void mp_map_free(mp_map_t *map);
 mp_map_elem_t *mp_map_lookup(mp_map_t *map, mp_obj_t index, mp_map_lookup_kind_t lookup_kind);
 void mp_map_clear(mp_map_t *map);
 void mp_map_dump(mp_map_t *map);