diff --git a/test/python/registry.py b/test/python/registry.py
index 1701855ba..757d04438 100644
--- a/test/python/registry.py
+++ b/test/python/registry.py
@@ -1,8 +1,7 @@
-import sys
-
 import cppyy
-import pyphlex
+import pyphlex  # noqa: F401
 
+__all__ = ['pyphlex']
 cpp = cppyy.gbl
 phlex = cpp.phlex.experimental
 
diff --git a/test/python/test_phlex.py b/test/python/test_phlex.py
index daef1b420..769b44911 100644
--- a/test/python/test_phlex.py
+++ b/test/python/test_phlex.py
@@ -1,11 +1,11 @@
-import py
-from pytest import raises
 
 
 class TestPYPHLEX:
 
+    @classmethod
     def setup_class(cls):
-        import pyphlex
+        import pyphlex  # noqa: F401
+        __all__ = ['pyphlex'] # For CodeQL
 
     def test01_phlex_existence(self):
         """Test existence of the phlex namespace"""