diff --git a/s3tests_boto3/functional/test_headers.py b/s3tests_boto3/functional/test_headers.py
index 66cabe5..557f234 100644
--- a/s3tests_boto3/functional/test_headers.py
+++ b/s3tests_boto3/functional/test_headers.py
@@ -504,12 +504,14 @@ def test_bucket_create_bad_authorization_invalid_aws2():
     assert error_code == 'InvalidArgument'
 
 @pytest.mark.auth_aws2
+@pytest.mark.fails_on_rgw
 def test_bucket_create_bad_ua_empty_aws2():
     v2_client = get_v2_client()
     headers = {'User-Agent': ''}
     _add_header_create_bucket(headers, v2_client)
 
 @pytest.mark.auth_aws2
+@pytest.mark.fails_on_rgw
 def test_bucket_create_bad_ua_none_aws2():
     v2_client = get_v2_client()
     remove = 'User-Agent'
diff --git a/s3tests_boto3/functional/test_s3.py b/s3tests_boto3/functional/test_s3.py
index 152d02d..5602d50 100644
--- a/s3tests_boto3/functional/test_s3.py
+++ b/s3tests_boto3/functional/test_s3.py
@@ -6917,12 +6917,14 @@ def test_cors_presigned_get_object_tenant():
         method='get_object',
     )
 
+@pytest.mark.fails_on_rgw
 def test_cors_presigned_get_object_v2():
     _test_cors_options_presigned_method(
         client=get_v2_client(),
         method='get_object',
     )
 
+@pytest.mark.fails_on_rgw
 def test_cors_presigned_get_object_tenant_v2():
     _test_cors_options_presigned_method(
         client=get_v2_tenant_client(),
@@ -6942,12 +6944,14 @@ def test_cors_presigned_put_object_with_acl():
         cannedACL='private',
     )
 
+@pytest.mark.fails_on_rgw
 def test_cors_presigned_put_object_v2():
     _test_cors_options_presigned_method(
         client=get_v2_client(),
         method='put_object',
     )
 
+@pytest.mark.fails_on_rgw
 def test_cors_presigned_put_object_tenant_v2():
     _test_cors_options_presigned_method(
         client=get_v2_tenant_client(),