diff --git a/atst/domain/workspace_users.py b/atst/domain/workspace_users.py
index e4d93c19..ef51b78d 100644
--- a/atst/domain/workspace_users.py
+++ b/atst/domain/workspace_users.py
@@ -1,5 +1,4 @@
 from sqlalchemy.orm.exc import NoResultFound
-from sqlalchemy.dialects.postgresql import insert
 
 from atst.models.workspace_role import WorkspaceRole
 from atst.models.workspace_user import WorkspaceUser
diff --git a/tests/conftest.py b/tests/conftest.py
index 555e1f79..04510f1b 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -3,7 +3,7 @@ from sqlalchemy.orm import sessionmaker, scoped_session
 
 from atst.app import make_app, make_deps, make_config
 from atst.database import make_db
-from tests.mocks import MockApiClient, MockFundzClient, MockAuthzClient
+from tests.mocks import MockApiClient, MockFundzClient
 from atst.sessions import DictSessions
 
 
diff --git a/tests/domain/test_users.py b/tests/domain/test_users.py
index a76a9ae8..f136e3bd 100644
--- a/tests/domain/test_users.py
+++ b/tests/domain/test_users.py
@@ -1,5 +1,5 @@
 import pytest
-from uuid import uuid4, UUID
+from uuid import uuid4
 
 from atst.domain.users import Users
 from atst.domain.exceptions import NotFoundError, AlreadyExistsError
diff --git a/tests/factories.py b/tests/factories.py
index b07b36fa..1c870308 100644
--- a/tests/factories.py
+++ b/tests/factories.py
@@ -1,7 +1,7 @@
 import factory
 from uuid import uuid4
 
-from atst.models import Request, RequestStatusEvent
+from atst.models import Request
 
 
 class RequestFactory(factory.Factory):
diff --git a/tests/mocks.py b/tests/mocks.py
index 96c22e4a..3a277b0f 100644
--- a/tests/mocks.py
+++ b/tests/mocks.py
@@ -70,52 +70,3 @@ class MockFundzClient(MockApiClient):
             return self._get_response("GET", path, 200)
         else:
             return self._get_response("GET", path, 404)
-
-
-class MockAuthzClient(MockApiClient):
-    _json = {
-        "atat_permissions": [
-            "view_original_jedi_request",
-            "review_and_approve_jedi_workspace_request",
-            "modify_atat_role_permissions",
-            "create_csp_role",
-            "delete_csp_role",
-            "deactivate_csp_role",
-            "modify_csp_role_permissions",
-            "view_usage_report",
-            "view_usage_dollars",
-            "add_and_assign_csp_roles",
-            "remove_csp_roles",
-            "request_new_csp_role",
-            "assign_and_unassign_atat_role",
-            "view_assigned_atat_role_configurations",
-            "view_assigned_csp_role_configurations",
-            "deactivate_workspace",
-            "view_atat_permissions",
-            "transfer_ownership_of_workspace",
-            "add_application_in_workspace",
-            "delete_application_in_workspace",
-            "deactivate_application_in_workspace",
-            "view_application_in_workspace",
-            "rename_application_in_workspace",
-            "add_environment_in_application",
-            "delete_environment_in_application",
-            "deactivate_environment_in_application",
-            "view_environment_in_application",
-            "rename_environment_in_application",
-            "add_tag_to_workspace",
-            "remove_tag_from_workspace",
-        ],
-        "atat_role": "ccpo",
-        "id": "164497f6-c1ea-4f42-a5ef-101da278c012",
-        "username": None,
-        "workspace_roles": [],
-    }
-
-    @tornado.gen.coroutine
-    def post(self, path, **kwargs):
-        return self._get_response("POST", path, 200, json=self._json)
-
-    @tornado.gen.coroutine
-    def get(self, path, **kwargs):
-        return self._get_response("POST", path, 200, json=self._json)