diff --git a/test.py b/test.py
index 9d3246825b5fe6071c82a01d7e2bfa6506e71a06..800cbf0464cd84b47bf0e06071d2e7a991984e84 100644
--- a/test.py
+++ b/test.py
@@ -1,10 +1,7 @@
 from pyuadk import  pywd_cipher, pywd_digest, pywd_rsa
-# from pyuadk.pywd_rsa import RSA_OP_TYPE
 import unittest
 from Crypto.Cipher import AES
 from Crypto.PublicKey import RSA
-import time
-import struct, os
 from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
 from gmssl.sm4 import CryptSM4, SM4_ENCRYPT, SM4_DECRYPT
 from gmssl.sm3 import sm3_hash
diff --git a/test_aysnc.py b/test_aysnc.py
index 0df0130ec916f3d77387447253294105589be1ec..0c6c31929e68daa756cb1fb7baa2137ec5f38f92 100644
--- a/test_aysnc.py
+++ b/test_aysnc.py
@@ -2,7 +2,6 @@ import unittest
 import ctypes
 from pyuadk import pywd_cipher, pywd_digest, pywd_rsa
 from Crypto.Cipher import AES
-import threading
 from cryptography.hazmat.primitives.asymmetric import rsa