diff --git a/tests/regression_tests/cad/conftest.py b/tests/regression_tests/cad/conftest.py
deleted file mode 100644
index 4e36edf67f..0000000000
--- a/tests/regression_tests/cad/conftest.py
+++ /dev/null
@@ -1,16 +0,0 @@
-import openmc
-import pytest
-
-
-
-@pytest.fixture(scope='module', autouse=True)
-def setup_cad_test(request):
-    # Reset autogenerated IDs assigned to OpenMC objects
-    openmc.reset_auto_ids()
-    
-    # Change to test directory
-    olddir = request.fspath.dirpath().chdir()
-    try:
-        yield
-    finally:
-        olddir.chdir()