diff --git a/test/functional/tests/conftest.py b/test/functional/tests/conftest.py
index b8dd7c4..100f25d 100644
--- a/test/functional/tests/conftest.py
+++ b/test/functional/tests/conftest.py
@@ -136,6 +136,8 @@ def pytest_runtest_setup(item):
         TestRun.dut.plugin_manager = TestRun.plugin_manager
         TestRun.dut.executor = TestRun.executor
         TestRun.TEST_RUN_DATA_PATH = TEST_RUN_DATA_PATH
+        TestRun.dut.cache_list = []
+        TestRun.dut.core_list = []
         TestRun.duts.append(TestRun.dut)
 
         base_prepare(item)