diff --git a/pySim/filesystem.py b/pySim/filesystem.py
index 438e9690..c71150a9 100644
--- a/pySim/filesystem.py
+++ b/pySim/filesystem.py
@@ -38,7 +38,7 @@ from typing import cast, Optional, Iterable, List, Dict, Tuple, Union
 
 from smartcard.util import toBytes
 
-from pySim.utils import sw_match, h2b, b2h, i2h, is_hex, auto_int, bertlv_parse_one, Hexstr
+from pySim.utils import sw_match, h2b, b2h, i2h, is_hex, auto_int, Hexstr
 from pySim.construct import filter_dict, parse_construct, build_construct
 from pySim.exceptions import *
 from pySim.jsonpath import js_path_find, js_path_modify
diff --git a/pySim/tlv.py b/pySim/tlv.py
index ccf049e9..826f02f3 100644
--- a/pySim/tlv.py
+++ b/pySim/tlv.py
@@ -23,7 +23,6 @@ from construct import *
 
 from pySim.utils import bertlv_encode_len, bertlv_parse_len, bertlv_encode_tag, bertlv_parse_tag
 from pySim.utils import comprehensiontlv_encode_tag, comprehensiontlv_parse_tag
-from pySim.utils import bertlv_parse_one, comprehensiontlv_parse_one
 from pySim.utils import bertlv_parse_tag_raw, comprehensiontlv_parse_tag_raw
 
 from pySim.construct import build_construct, parse_construct, LV, HexAdapter, BcdAdapter, BitsRFU, GsmStringAdapter