diff --git a/umap/settings/base.py b/umap/settings/base.py
index f4e5f192..17b8d813 100644
--- a/umap/settings/base.py
+++ b/umap/settings/base.py
@@ -252,8 +252,6 @@ LEAFLET_ZOOM = env.int('LEAFLET_ZOOM', default=6)
 COMPRESS_ENABLED = True
 COMPRESS_OFFLINE = True
 
-SOCIAL_AUTH_DEFAULT_USERNAME = lambda u: slugify(u)
-SOCIAL_AUTH_ASSOCIATE_BY_EMAIL = True
 SOCIAL_AUTH_NO_DEFAULT_PROTECTED_USER_FIELDS = True
 SOCIAL_AUTH_PROTECTED_USER_FIELDS = ("id", )
 LOGIN_URL = "login"