diff --git a/awx/main/dispatch/__init__.py b/awx/main/dispatch/__init__.py
index d368b7cc96..587a8219aa 100644
--- a/awx/main/dispatch/__init__.py
+++ b/awx/main/dispatch/__init__.py
@@ -1,7 +1,5 @@
 import psycopg2
 import select
-import sys
-import logging
 
 from contextlib import contextmanager
 
@@ -9,10 +7,6 @@ from django.conf import settings
 
 
 NOT_READY = ([], [], [])
-if 'run_callback_receiver' in sys.argv:
-    logger = logging.getLogger('awx.main.commands.run_callback_receiver')
-else:
-    logger = logging.getLogger('awx.main.dispatch')
 
 
 def get_local_queuename():
@@ -36,25 +30,6 @@ class PubSub(object):
         with self.conn.cursor() as cur:
             cur.execute('SELECT pg_notify(%s, %s);', (channel, payload))
 
-    def get_event(self, select_timeout=0):
-        # poll the connection, then return one event, if we have one.  Else
-        # return None.
-        select.select([self.conn], [], [], select_timeout)
-        self.conn.poll()
-        if self.conn.notifies:
-            return self.conn.notifies.pop(0)
-
-    def get_events(self, select_timeout=0):
-        # Poll the connection and return all events, if there are any.  Else
-        # return None.
-        select.select([self.conn], [], [], select_timeout) # redundant?
-        self.conn.poll()
-        events = []
-        while self.conn.notifies:
-            events.append(self.conn.notifies.pop(0))
-        if events:
-            return events
-
     def events(self, select_timeout=5, yield_timeouts=False):
         while True:
             if select.select([self.conn], [], [], select_timeout) == NOT_READY:
diff --git a/awx/main/dispatch/control.py b/awx/main/dispatch/control.py
index 4565df17f5..186acee5cf 100644
--- a/awx/main/dispatch/control.py
+++ b/awx/main/dispatch/control.py
@@ -1,6 +1,5 @@
 import logging
-import string
-import random
+import uuid
 import json
 
 from awx.main.dispatch import get_local_queuename
@@ -21,10 +20,6 @@ class Control(object):
         self.service = service
         self.queuename = host or get_local_queuename()
 
-    def publish(self, msg, conn, **kwargs):
-        # TODO: delete this method??
-        raise RuntimeError("Publish called?!")
-
     def status(self, *args, **kwargs):
         return self.control_with_reply('status', *args, **kwargs)
 
@@ -33,8 +28,7 @@ class Control(object):
 
     @classmethod
     def generate_reply_queue_name(cls):
-        letters = string.ascii_lowercase
-        return 'reply_to_{}'.format(''.join(random.choice(letters) for i in range(8)))
+        return f"reply_to_{str(uuid.uuid4()).replace('-','_')}"
 
     def control_with_reply(self, command, timeout=5):
         logger.warn('checking {} {} for {}'.format(self.service, command, self.queuename))
diff --git a/awx/main/dispatch/publish.py b/awx/main/dispatch/publish.py
index 020e7407cd..f7fd7cf4fb 100644
--- a/awx/main/dispatch/publish.py
+++ b/awx/main/dispatch/publish.py
@@ -74,7 +74,7 @@ class task:
                     getattr(cls.queue, 'im_func', cls.queue)
                 )
                 if not queue:
-                    msg = f'{cls.name}: Queue value required and may not me None'
+                    msg = f'{cls.name}: Queue value required and may not be None'
                     logger.error(msg)
                     raise ValueError(msg)
                 obj = {
diff --git a/awx/main/managers.py b/awx/main/managers.py
index ea65b36234..9f1537fd6f 100644
--- a/awx/main/managers.py
+++ b/awx/main/managers.py
@@ -126,7 +126,7 @@ class InstanceManager(models.Manager):
                 instance = instance.get()
                 if instance.ip_address != ip_address:
                     instance.ip_address = ip_address
-                    instance.save()
+                    instance.save(update_fields=['ip_address'])
                     return (True, instance)
                 else:
                     return (False, instance)
diff --git a/awx/main/tests/functional/test_dispatch.py b/awx/main/tests/functional/test_dispatch.py
index c13a031af3..aa3c42ce26 100644
--- a/awx/main/tests/functional/test_dispatch.py
+++ b/awx/main/tests/functional/test_dispatch.py
@@ -349,7 +349,7 @@ class TestTaskPublisher:
     def test_apply_async_queue_required(self):
         with pytest.raises(ValueError) as e:
             message, queue = add.apply_async([2, 2])
-        assert "awx.main.tests.functional.test_dispatch.add: Queue value required and may not me None" == e.value.args[0]
+        assert "awx.main.tests.functional.test_dispatch.add: Queue value required and may not be None" == e.value.args[0]
 
     def test_queue_defined_in_task_decorator(self):
         message, queue = multiply.apply_async([2, 2])