diff --git a/ontologies.txt b/ontologies.txt
index 9e95b44..d73c024 100644
--- a/ontologies.txt
+++ b/ontologies.txt
@@ -2,8 +2,7 @@ http://purl.obolibrary.org/obo/aism/aism-base.owl
 http://purl.obolibrary.org/obo/bspo.owl
 http://purl.obolibrary.org/obo/chebi.owl.gz
 http://purl.obolibrary.org/obo/cl/cl-base.owl
-http://purl.obolibrary.org/obo/cob/cob-base.owl
-http://purl.obolibrary.org/obo/cob/cob-to-external.owl
+http://purl.obolibrary.org/obo/cob.owl
 http://purl.obolibrary.org/obo/colao/colao-base.owl
 http://purl.obolibrary.org/obo/dpo/dpo-base.owl
 http://purl.obolibrary.org/obo/eco/eco-base.owl