diff --git a/py/builtinimport.c b/py/builtinimport.c
index 329dcb193a..0a917c6f83 100644
--- a/py/builtinimport.c
+++ b/py/builtinimport.c
@@ -47,14 +47,6 @@
 
 #define PATH_SEP_CHAR '/'
 
-#if MICROPY_MODULE_WEAK_LINKS
-STATIC const mp_rom_map_elem_t mp_builtin_module_weak_links_table[] = {
-    MICROPY_PORT_BUILTIN_MODULE_WEAK_LINKS
-};
-
-STATIC MP_DEFINE_CONST_MAP(mp_builtin_module_weak_links_map, mp_builtin_module_weak_links_table);
-#endif
-
 bool mp_obj_is_package(mp_obj_t module) {
     mp_obj_t dest[2];
     mp_load_method_maybe(module, MP_QSTR___path__, dest);
diff --git a/py/objmodule.c b/py/objmodule.c
index 1c79e1a18d..a0a179de4b 100644
--- a/py/objmodule.c
+++ b/py/objmodule.c
@@ -227,7 +227,15 @@ STATIC const mp_rom_map_elem_t mp_builtin_module_table[] = {
     MICROPY_PORT_BUILTIN_MODULES
 };
 
-STATIC MP_DEFINE_CONST_MAP(mp_builtin_module_map, mp_builtin_module_table);
+MP_DEFINE_CONST_MAP(mp_builtin_module_map, mp_builtin_module_table);
+
+#if MICROPY_MODULE_WEAK_LINKS
+STATIC const mp_rom_map_elem_t mp_builtin_module_weak_links_table[] = {
+    MICROPY_PORT_BUILTIN_MODULE_WEAK_LINKS
+};
+
+MP_DEFINE_CONST_MAP(mp_builtin_module_weak_links_map, mp_builtin_module_weak_links_table);
+#endif
 
 void mp_module_init(void) {
     mp_obj_dict_init(&MP_STATE_VM(mp_loaded_modules_dict), 3);
diff --git a/py/objmodule.h b/py/objmodule.h
index 138f942c21..937ff84168 100644
--- a/py/objmodule.h
+++ b/py/objmodule.h
@@ -28,6 +28,9 @@
 
 #include "py/obj.h"
 
+extern const mp_map_t mp_builtin_module_map;
+extern const mp_map_t mp_builtin_module_weak_links_map;
+
 void mp_module_init(void);
 void mp_module_deinit(void);
 mp_obj_t mp_module_get(qstr module_name);