diff --git a/tests/test_lib_wiring.py b/tests/test_lib_wiring.py
index 560f479..d7bc2ef 100644
--- a/tests/test_lib_wiring.py
+++ b/tests/test_lib_wiring.py
@@ -1,3 +1,5 @@
+# amaranth: UnusedElaboratable=no
+
 import unittest
 from types import SimpleNamespace as NS