diff --git a/awx/api/urls/urls.py b/awx/api/urls/urls.py
index 96c57e97c9..2122369919 100644
--- a/awx/api/urls/urls.py
+++ b/awx/api/urls/urls.py
@@ -2,7 +2,6 @@
 # All Rights Reserved.
 
 from __future__ import absolute_import, unicode_literals
-from django.conf import settings
 from django.urls import include, re_path
 
 from awx import MODE
diff --git a/awx/main/scheduler/task_manager.py b/awx/main/scheduler/task_manager.py
index 172f144ff0..39c8bfcb81 100644
--- a/awx/main/scheduler/task_manager.py
+++ b/awx/main/scheduler/task_manager.py
@@ -19,14 +19,12 @@ from django.conf import settings
 # AWX
 from awx.main.dispatch.reaper import reap_job
 from awx.main.models import (
-    AdHocCommand,
     Instance,
     InventorySource,
     InventoryUpdate,
     Job,
     Project,
     ProjectUpdate,
-    SystemJob,
     UnifiedJob,
     WorkflowApproval,
     WorkflowJob,
diff --git a/awx/main/scheduler/tasks.py b/awx/main/scheduler/tasks.py
index 307f0a7d69..9d18073fc5 100644
--- a/awx/main/scheduler/tasks.py
+++ b/awx/main/scheduler/tasks.py
@@ -43,7 +43,7 @@ def workflow_manager():
 
 def run_task_manager():
     if MODE == 'development' and settings.AWX_DISABLE_TASK_MANAGERS:
-        logger.debug(f"Not running task managers, AWX_DISABLE_TASK_MANAGERS is True. Trigger with GET to /api/debug/{prefix}_manager/")
+        logger.debug("Not running task managers, AWX_DISABLE_TASK_MANAGERS is True. Trigger with GET to /api/debug/{prefix}_manager/")
         return
     task_manager()
     dependency_manager()