diff --git a/py/obj.h b/py/obj.h
index bd0df3fd68..f686fa44ca 100644
--- a/py/obj.h
+++ b/py/obj.h
@@ -833,6 +833,8 @@ extern const mp_obj_type_t mp_type_fun_builtin_2;
 extern const mp_obj_type_t mp_type_fun_builtin_3;
 extern const mp_obj_type_t mp_type_fun_builtin_var;
 extern const mp_obj_type_t mp_type_fun_bc;
+extern const mp_obj_type_t mp_type_fun_native;
+extern const mp_obj_type_t mp_type_fun_asm;
 extern const mp_obj_type_t mp_type_module;
 extern const mp_obj_type_t mp_type_staticmethod;
 extern const mp_obj_type_t mp_type_classmethod;
diff --git a/py/objfun.c b/py/objfun.c
index 930d0ccdf4..ba0ba37068 100644
--- a/py/objfun.c
+++ b/py/objfun.c
@@ -137,10 +137,6 @@ STATIC qstr mp_obj_code_get_name(const mp_obj_fun_bc_t *fun, const byte *code_in
     return name;
 }
 
-#if MICROPY_EMIT_NATIVE
-STATIC const mp_obj_type_t mp_type_fun_native;
-#endif
-
 qstr mp_obj_fun_get_name(mp_const_obj_t fun_in) {
     const mp_obj_fun_bc_t *fun = MP_OBJ_TO_PTR(fun_in);
     #if MICROPY_EMIT_NATIVE
@@ -420,7 +416,7 @@ STATIC mp_obj_t fun_native_call(mp_obj_t self_in, size_t n_args, size_t n_kw, co
 #define FUN_BC_TYPE_ATTR
 #endif
 
-STATIC MP_DEFINE_CONST_OBJ_TYPE(
+MP_DEFINE_CONST_OBJ_TYPE(
     mp_type_fun_native,
     MP_QSTR_function,
     MP_TYPE_FLAG_BINDS_SELF,
@@ -429,12 +425,6 @@ STATIC MP_DEFINE_CONST_OBJ_TYPE(
     call, fun_native_call
     );
 
-mp_obj_t mp_obj_new_fun_native(const mp_obj_t *def_args, const void *fun_data, const mp_module_context_t *mc, struct _mp_raw_code_t *const *child_table) {
-    mp_obj_fun_bc_t *o = MP_OBJ_TO_PTR(mp_obj_new_fun_bc(def_args, (const byte *)fun_data, mc, child_table));
-    o->base.type = &mp_type_fun_native;
-    return MP_OBJ_FROM_PTR(o);
-}
-
 #endif // MICROPY_EMIT_NATIVE
 
 /******************************************************************************/
@@ -442,13 +432,6 @@ mp_obj_t mp_obj_new_fun_native(const mp_obj_t *def_args, const void *fun_data, c
 
 #if MICROPY_EMIT_INLINE_ASM
 
-typedef struct _mp_obj_fun_asm_t {
-    mp_obj_base_t base;
-    size_t n_args;
-    const void *fun_data; // GC must be able to trace this pointer
-    mp_uint_t type_sig;
-} mp_obj_fun_asm_t;
-
 typedef mp_uint_t (*inline_asm_fun_0_t)(void);
 typedef mp_uint_t (*inline_asm_fun_1_t)(mp_uint_t);
 typedef mp_uint_t (*inline_asm_fun_2_t)(mp_uint_t, mp_uint_t);
@@ -529,19 +512,11 @@ STATIC mp_obj_t fun_asm_call(mp_obj_t self_in, size_t n_args, size_t n_kw, const
     return mp_native_to_obj(ret, self->type_sig);
 }
 
-STATIC MP_DEFINE_CONST_OBJ_TYPE(
+MP_DEFINE_CONST_OBJ_TYPE(
     mp_type_fun_asm,
     MP_QSTR_function,
     MP_TYPE_FLAG_BINDS_SELF,
     call, fun_asm_call
     );
 
-mp_obj_t mp_obj_new_fun_asm(size_t n_args, const void *fun_data, mp_uint_t type_sig) {
-    mp_obj_fun_asm_t *o = mp_obj_malloc(mp_obj_fun_asm_t, &mp_type_fun_asm);
-    o->n_args = n_args;
-    o->fun_data = fun_data;
-    o->type_sig = type_sig;
-    return MP_OBJ_FROM_PTR(o);
-}
-
 #endif // MICROPY_EMIT_INLINE_ASM
diff --git a/py/objfun.h b/py/objfun.h
index 9de15b8841..b6350d7b67 100644
--- a/py/objfun.h
+++ b/py/objfun.h
@@ -43,9 +43,32 @@ typedef struct _mp_obj_fun_bc_t {
     mp_obj_t extra_args[];
 } mp_obj_fun_bc_t;
 
+typedef struct _mp_obj_fun_asm_t {
+    mp_obj_base_t base;
+    size_t n_args;
+    const void *fun_data; // GC must be able to trace this pointer
+    mp_uint_t type_sig;
+} mp_obj_fun_asm_t;
+
 mp_obj_t mp_obj_new_fun_bc(const mp_obj_t *def_args, const byte *code, const mp_module_context_t *cm, struct _mp_raw_code_t *const *raw_code_table);
-mp_obj_t mp_obj_new_fun_native(const mp_obj_t *def_args, const void *fun_data, const mp_module_context_t *cm, struct _mp_raw_code_t *const *raw_code_table);
-mp_obj_t mp_obj_new_fun_asm(size_t n_args, const void *fun_data, mp_uint_t type_sig);
 void mp_obj_fun_bc_attr(mp_obj_t self_in, qstr attr, mp_obj_t *dest);
 
+#if MICROPY_EMIT_NATIVE
+static inline mp_obj_t mp_obj_new_fun_native(const mp_obj_t *def_args, const void *fun_data, const mp_module_context_t *mc, struct _mp_raw_code_t *const *child_table) {
+    mp_obj_fun_bc_t *o = MP_OBJ_TO_PTR(mp_obj_new_fun_bc(def_args, (const byte *)fun_data, mc, child_table));
+    o->base.type = &mp_type_fun_native;
+    return MP_OBJ_FROM_PTR(o);
+}
+#endif
+
+#if MICROPY_EMIT_INLINE_ASM
+static inline mp_obj_t mp_obj_new_fun_asm(size_t n_args, const void *fun_data, mp_uint_t type_sig) {
+    mp_obj_fun_asm_t *o = mp_obj_malloc(mp_obj_fun_asm_t, &mp_type_fun_asm);
+    o->n_args = n_args;
+    o->fun_data = fun_data;
+    o->type_sig = type_sig;
+    return MP_OBJ_FROM_PTR(o);
+}
+#endif
+
 #endif // MICROPY_INCLUDED_PY_OBJFUN_H