diff --git a/awx/settings/defaults.py b/awx/settings/defaults.py
index 19eed98c31..1098d709db 100644
--- a/awx/settings/defaults.py
+++ b/awx/settings/defaults.py
@@ -351,13 +351,20 @@ CELERYBEAT_SCHEDULE = {
     },
 }
 
-# Use Redis as cache backend.
-CACHES = {
-    'default': {
-        'BACKEND': 'redis_cache.RedisCache',
-        'LOCATION': BROKER_URL,
-    },
-}
+# Use Redis as cache backend (except when testing).
+if is_testing():
+    CACHES = {
+        'default': {
+            'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
+        },
+    }
+else:
+    CACHES = {
+        'default': {
+            'BACKEND': 'redis_cache.RedisCache',
+            'LOCATION': BROKER_URL,
+        },
+    }
 
 # Social Auth configuration.
 SOCIAL_AUTH_STRATEGY = 'social.strategies.django_strategy.DjangoStrategy'
diff --git a/awx/settings/postprocess.py b/awx/settings/postprocess.py
index 6cbeec051a..d63833aac8 100644
--- a/awx/settings/postprocess.py
+++ b/awx/settings/postprocess.py
@@ -34,4 +34,5 @@ if not AUTH_BASIC_ENABLED:
     REST_FRAMEWORK['DEFAULT_AUTHENTICATION_CLASSES'] = [x for x in REST_FRAMEWORK['DEFAULT_AUTHENTICATION_CLASSES'] if x != 'rest_framework.authentication.BasicAuthentication']
 
 # Update cache to use celery broker URL defined in configuration files.
-CACHES['default']['LOCATION'] = BROKER_URL
+if CACHES['default']['BACKEND'] == 'redis_cache.RedisCache':
+    CACHES['default']['LOCATION'] = BROKER_URL