diff --git a/zproject/test_extra_settings.py b/zproject/test_extra_settings.py
index 6496f86301..77c0cc2c73 100644
--- a/zproject/test_extra_settings.py
+++ b/zproject/test_extra_settings.py
@@ -93,7 +93,6 @@ RATE_LIMITING_AUTHENTICATE = False
 # real app.
 USING_RABBITMQ = False
 
-# Disable use of memcached for caching
 CACHES["database"] = {
     "BACKEND": "django.core.cache.backends.dummy.DummyCache",
     "LOCATION": "zulip-database-test-cache",