diff --git a/bin/tests/system/isctest/log/__init__.py b/bin/tests/system/isctest/log/__init__.py
new file mode 100644
index 0000000000..56b796334c
--- /dev/null
+++ b/bin/tests/system/isctest/log/__init__.py
@@ -0,0 +1,12 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+from .watchlog import LogFile, WatchLogFromStart, WatchLogFromHere
diff --git a/bin/tests/system/isctest/log.py b/bin/tests/system/isctest/log/watchlog.py
similarity index 99%
rename from bin/tests/system/isctest/log.py
rename to bin/tests/system/isctest/log/watchlog.py
index 236cfdae3a..1931f13aff 100644
--- a/bin/tests/system/isctest/log.py
+++ b/bin/tests/system/isctest/log/watchlog.py
@@ -9,12 +9,10 @@
 # See the COPYRIGHT file distributed with this work for additional
 # information regarding copyright ownership.
 
-from typing import Iterator, Optional, TextIO, Dict, Any, overload, List, Union
+from typing import Iterator, Optional, TextIO, Dict, Any
 
 import abc
 import os
-import shlex
-import subprocess
 import time