diff --git a/awx/main/analytics/collectors.py b/awx/main/analytics/collectors.py
index e97307bb48..d60c2ea46c 100644
--- a/awx/main/analytics/collectors.py
+++ b/awx/main/analytics/collectors.py
@@ -6,7 +6,7 @@ import platform
 import distro
 
 from django.db import connection
-from django.db.models import Count, Max, Min
+from django.db.models import Count
 from django.conf import settings
 from django.contrib.sessions.models import Session
 from django.utils.timezone import now, timedelta
diff --git a/awx/main/scheduler/task_manager.py b/awx/main/scheduler/task_manager.py
index 65dffc457c..6854ebd4bc 100644
--- a/awx/main/scheduler/task_manager.py
+++ b/awx/main/scheduler/task_manager.py
@@ -253,10 +253,9 @@ class TaskManager:
         }
         dependencies = [{'type': get_type_for_model(type(t)), 'id': t.id} for t in dependent_tasks]
 
-        controller_node = None
         if task.supports_isolation() and rampart_group.controller_id:
             try:
-                controller_node = rampart_group.choose_online_controller_node()
+                rampart_group.choose_online_controller_node()
             except IndexError:
                 logger.debug("No controllers available in group {} to run {}".format(rampart_group.name, task.log_format))
                 return