diff --git a/pyproject.toml b/pyproject.toml
index 190cee7..422827c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ hbmqtt_sub = 'hbmqtt.scripts.sub_script:main'
 [tool.poetry.plugins]
 
 [tool.poetry.plugins."hbmqtt.test.plugins"]
-"test_plugin" = "tests.plugins.test_manager:TestPlugin"
+"test_plugin" = "tests.plugins.test_manager:EmptyTestPlugin"
 "event_plugin" = "tests.plugins.test_manager:EventTestPlugin"
 "packet_logger_plugin" = "hbmqtt.plugins.logging:PacketLoggerPlugin"
 
diff --git a/tests/plugins/test_manager.py b/tests/plugins/test_manager.py
index fde0f2b..2747ea2 100644
--- a/tests/plugins/test_manager.py
+++ b/tests/plugins/test_manager.py
@@ -5,8 +5,6 @@ import unittest
 import logging
 import asyncio
 
-import pytest
-
 from hbmqtt.plugins.manager import PluginManager
 
 formatter = (