diff --git a/src/_pytest/setuponly.py b/src/_pytest/setuponly.py
index 639349748..a277ebc85 100644
--- a/src/_pytest/setuponly.py
+++ b/src/_pytest/setuponly.py
@@ -20,8 +20,7 @@ def pytest_addoption(parser):
 @pytest.hookimpl(hookwrapper=True)
 def pytest_fixture_setup(fixturedef, request):
     yield
-    config = request.config
-    if config.option.setupshow:
+    if request.config.option.setupshow:
         if hasattr(request, "param"):
             # Save the fixture parameter so ._show_fixture_action() can
             # display it now and during the teardown (in .finish()).
diff --git a/src/_pytest/warnings.py b/src/_pytest/warnings.py
index 63d22477c..d817a5cfa 100644
--- a/src/_pytest/warnings.py
+++ b/src/_pytest/warnings.py
@@ -42,7 +42,7 @@ def pytest_addoption(parser):
         type="linelist",
         help="Each line specifies a pattern for "
         "warnings.filterwarnings. "
-        "Processed after -W and --pythonwarnings.",
+        "Processed after -W/--pythonwarnings.",
     )