diff --git a/tests/unit/test_check.py b/tests/unit/test_check.py
index 0491496..b7f1f28 100644
--- a/tests/unit/test_check.py
+++ b/tests/unit/test_check.py
@@ -1,5 +1,4 @@
 import pytest
-import subprocess
 from unittest.mock import patch, MagicMock
 from autossh_mgr.check import check_connectivity, build_ssh_check_cmd
 from autossh_mgr.config import TunnelConfig