diff --git a/vision/google/cloud/vision/annotations.py b/vision/google/cloud/vision/annotations.py
index 67cf51db9137..eed9ebdc5d61 100644
--- a/vision/google/cloud/vision/annotations.py
+++ b/vision/google/cloud/vision/annotations.py
@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# pylint: disable=too-many-arguments
 """Annotations management for Vision API responses."""
 
 import six
diff --git a/vision/unit_tests/test__http.py b/vision/unit_tests/test__http.py
index 33650d7ac4ea..eae6a6506147 100644
--- a/vision/unit_tests/test__http.py
+++ b/vision/unit_tests/test__http.py
@@ -105,29 +105,8 @@ def test_call_annotate_with_no_parameters(self):
         http_api._connection.api_request.assert_not_called()
 
     def test_call_annotate_with_pb_requests_results(self):
-        import json
         from google.cloud.proto.vision.v1 import image_annotator_pb2
 
-        sent = {
-            'requests': [
-                {
-                    'image': {
-                        'content': B64_IMAGE_CONTENT
-                    },
-                    'features': [
-                        {
-                            'maxResults': 2,
-                            'type': 'CROP_HINTS'
-                        },
-                    ],
-                    'imageContext': {
-                        'cropHintsParams': {
-                            'aspectRatios': [1.3333, 1.7777]
-                        },
-                    },
-                },
-            ],
-        }
         client = mock.Mock(spec_set=['_connection'])
 
         feature_type = image_annotator_pb2.Feature.CROP_HINTS
diff --git a/vision/unit_tests/test_client.py b/vision/unit_tests/test_client.py
index 373fc5634f8c..5fc69ec65ab1 100644
--- a/vision/unit_tests/test_client.py
+++ b/vision/unit_tests/test_client.py
@@ -75,7 +75,6 @@ def test_make_http_client(self):
         credentials = _make_credentials()
         client = self._make_one(project=PROJECT, credentials=credentials,
                                 use_gax=False)
-        vision_api = client._vision_api
         self.assertIsInstance(client._vision_api, _HTTPVisionAPI)
 
     def test_face_annotation(self):