diff --git a/acme/acme/crypto_util_test.py b/acme/acme/crypto_util_test.py
index 58cb1cd69..05d9f419e 100644
--- a/acme/acme/crypto_util_test.py
+++ b/acme/acme/crypto_util_test.py
@@ -18,7 +18,7 @@ from acme.magic_typing import List # pylint: disable=unused-import, no-name-in-m
 
 # turns all ResourceWarnings into errors for this module
 if six.PY3:
-    pytestmark = pytest.mark.filterwarnings("ignore::ResourceWarning")
+    pytestmark = pytest.mark.filterwarnings("ignore::ResourceWarning") # pragma: no cover
 
 
 class SSLSocketAndProbeSNITest(unittest.TestCase):
diff --git a/acme/acme/messages_test.py b/acme/acme/messages_test.py
index 7124f8bd1..5b257836a 100644
--- a/acme/acme/messages_test.py
+++ b/acme/acme/messages_test.py
@@ -17,7 +17,7 @@ KEY = test_util.load_rsa_private_key('rsa512_key.pem')
 
 # turns all ResourceWarnings into errors for this module
 if six.PY3:
-    pytestmark = pytest.mark.filterwarnings("ignore::ResourceWarning")
+    pytestmark = pytest.mark.filterwarnings("ignore::ResourceWarning") # pragma: no cover
 
 
 class ErrorTest(unittest.TestCase):
diff --git a/acme/acme/standalone_test.py b/acme/acme/standalone_test.py
index 4e93157d0..7224515d4 100644
--- a/acme/acme/standalone_test.py
+++ b/acme/acme/standalone_test.py
@@ -23,7 +23,7 @@ from acme.magic_typing import Set # pylint: disable=unused-import, no-name-in-mo
 
 # turns all ResourceWarnings into errors for this module
 if six.PY3:
-    pytestmark = pytest.mark.filterwarnings("ignore::ResourceWarning")
+    pytestmark = pytest.mark.filterwarnings("ignore::ResourceWarning") # pragma: no cover
 
 
 class TLSServerTest(unittest.TestCase):
diff --git a/acme/acme/util_test.py b/acme/acme/util_test.py
index 7bb308635..58e8aeb83 100644
--- a/acme/acme/util_test.py
+++ b/acme/acme/util_test.py
@@ -6,7 +6,7 @@ import six
 
 # turns all ResourceWarnings into errors for this module
 if six.PY3:
-    pytestmark = pytest.mark.filterwarnings("ignore::ResourceWarning")
+    pytestmark = pytest.mark.filterwarnings("ignore::ResourceWarning") # pragma: no cover
 
 
 class MapKeysTest(unittest.TestCase):
diff --git a/certbot-dns-rfc2136/certbot_dns_rfc2136/dns_rfc2136_test.py b/certbot-dns-rfc2136/certbot_dns_rfc2136/dns_rfc2136_test.py
index 4af8ab9ef..3e8c1e6ee 100644
--- a/certbot-dns-rfc2136/certbot_dns_rfc2136/dns_rfc2136_test.py
+++ b/certbot-dns-rfc2136/certbot_dns_rfc2136/dns_rfc2136_test.py
@@ -23,7 +23,7 @@ VALID_CONFIG = {"rfc2136_server": SERVER, "rfc2136_name": NAME, "rfc2136_secret"
 
 # turns all ResourceWarnings into errors for this module
 if six.PY3:
-    pytestmark = pytest.mark.filterwarnings("ignore::ResourceWarning")
+    pytestmark = pytest.mark.filterwarnings("ignore::ResourceWarning") # pragma: no cover
 
 
 class AuthenticatorTest(test_util.TempDirTestCase, dns_test_common.BaseAuthenticatorTest):
diff --git a/certbot/tests/log_test.py b/certbot/tests/log_test.py
index f722f2c97..35cd6b388 100644
--- a/certbot/tests/log_test.py
+++ b/certbot/tests/log_test.py
@@ -21,7 +21,7 @@ from certbot.tests import util as test_util
 
 # turns all ResourceWarnings into errors for this module
 if six.PY3:
-    pytestmark = pytest.mark.filterwarnings("ignore::ResourceWarning")
+    pytestmark = pytest.mark.filterwarnings("ignore::ResourceWarning") # pragma: no cover
 
 
 class PreArgParseSetupTest(unittest.TestCase):
diff --git a/certbot/tests/main_test.py b/certbot/tests/main_test.py
index bf0e6b1ca..90de986bb 100644
--- a/certbot/tests/main_test.py
+++ b/certbot/tests/main_test.py
@@ -50,7 +50,7 @@ SS_CERT_PATH = test_util.vector_path('cert_2048.pem')
 
 # turns all ResourceWarnings into errors for this module
 if six.PY3:
-    pytestmark = pytest.mark.filterwarnings("ignore::ResourceWarning")
+    pytestmark = pytest.mark.filterwarnings("ignore::ResourceWarning") # pragma: no cover
 
 
 class TestHandleIdenticalCerts(unittest.TestCase):