diff --git a/ietf/doc/tests.py b/ietf/doc/tests.py
index 0d143fee2..994ec2eb2 100644
--- a/ietf/doc/tests.py
+++ b/ietf/doc/tests.py
@@ -626,7 +626,7 @@ Man                    Expires September 22, 2015               [Page 3]
         replaced = IndividualDraftFactory()
         draft.relateddocument_set.create(relationship_id='replaces',source=draft,target=replaced.docalias.first())
 
-        external_resource = DocExtResourceFactory(doc=draft)
+        DocExtResourceFactory(doc=draft)
 
         # these tests aren't testing all attributes yet, feel free to
         # expand them
diff --git a/ietf/doc/tests_utils.py b/ietf/doc/tests_utils.py
index dbbafe0cf..cfd1b9074 100644
--- a/ietf/doc/tests_utils.py
+++ b/ietf/doc/tests_utils.py
@@ -14,7 +14,7 @@ from ietf.person.factories import PersonFactory
 from ietf.utils.test_utils import TestCase, name_of_file_containing, reload_db_objects
 from ietf.person.models import Person
 from ietf.doc.factories import DocumentFactory, WgRfcFactory, WgDraftFactory
-from ietf.doc.models import State, DocumentActionHolder, DocumentAuthor, Document
+from ietf.doc.models import State, DocumentActionHolder, DocumentAuthor
 from ietf.doc.utils import (update_action_holders, add_state_change_event, update_documentauthors,
                             fuzzy_find_documents, rebuild_reference_relations, build_file_urls)
 from ietf.utils.draft import Draft, PlaintextDraft
diff --git a/ietf/doc/views_doc.py b/ietf/doc/views_doc.py
index cc84057d1..ca981dab4 100644
--- a/ietf/doc/views_doc.py
+++ b/ietf/doc/views_doc.py
@@ -54,13 +54,13 @@ from django.contrib.staticfiles import finders
 
 import debug                            # pyflakes:ignore
 
-from ietf.doc.models import ( Document, DocAlias, DocHistory, DocEvent, BallotDocEvent, BallotType,
+from ietf.doc.models import ( Document, DocHistory, DocEvent, BallotDocEvent, BallotType,
     ConsensusDocEvent, NewRevisionDocEvent, TelechatDocEvent, WriteupDocEvent, IanaExpertDocEvent,
     IESG_BALLOT_ACTIVE_STATES, STATUSCHANGE_RELATIONS, DocumentActionHolder, DocumentAuthor,
     RelatedDocument, RelatedDocHistory)
 from ietf.doc.utils import (augment_events_with_revision,
     can_adopt_draft, can_unadopt_draft, get_chartering_type, get_tags_for_stream_id,
-    needed_ballot_positions, nice_consensus, prettify_std_name, update_telechat, has_same_ballot,
+    needed_ballot_positions, nice_consensus, update_telechat, has_same_ballot,
     get_initial_notify, make_notify_changed_event, make_rev_history, default_consensus,
     add_events_message_info, get_unicode_document_content,
     augment_docs_and_user_with_user_info, irsg_needed_ballot_positions, add_action_holder_change_event,
diff --git a/ietf/submit/tests.py b/ietf/submit/tests.py
index ded7a4560..dfb597382 100644
--- a/ietf/submit/tests.py
+++ b/ietf/submit/tests.py
@@ -32,7 +32,7 @@ from ietf.submit.utils import (expirable_submissions, expire_submission, find_su
                                process_and_accept_uploaded_submission, SubmissionError, process_submission_text,
                                process_submission_xml, process_uploaded_submission, 
                                process_and_validate_submission)
-from ietf.doc.factories import (DocumentFactory, WgDraftFactory, IndividualDraftFactory, IndividualRfcFactory,
+from ietf.doc.factories import (DocumentFactory, WgDraftFactory, IndividualDraftFactory,
                                 ReviewFactory, WgRfcFactory)
 from ietf.doc.models import ( Document, DocAlias, DocEvent, State,
     BallotPositionDocEvent, DocumentAuthor, SubmissionDocEvent )