diff --git a/cms/celery.py b/cms/celery.py
index 97c4c6f21e..6e1db257b3 100644
--- a/cms/celery.py
+++ b/cms/celery.py
@@ -22,7 +22,7 @@ APP.conf.task_protocol = 1
 # Using a string here means the worker will not have to
 # pickle the object when using Windows.
 APP.config_from_object('django.conf:settings')
-APP.autodiscover_tasks(lambda: settings.INSTALLED_APPS)
+APP.autodiscover_tasks()
 
 
 class Router(AlternateEnvironmentRouter):
diff --git a/lms/celery.py b/lms/celery.py
index e3315d13a3..a8f0fce6e1 100644
--- a/lms/celery.py
+++ b/lms/celery.py
@@ -22,7 +22,7 @@ APP.conf.task_protocol = 1
 # Using a string here means the worker will not have to
 # pickle the object when using Windows.
 APP.config_from_object('django.conf:settings')
-APP.autodiscover_tasks(lambda: settings.INSTALLED_APPS)
+APP.autodiscover_tasks()
 
 
 class Router(AlternateEnvironmentRouter):