diff --git a/src/ontology/uberon-edit.obo b/src/ontology/uberon-edit.obo
index 830b302e10..1ed8849bec 100644
--- a/src/ontology/uberon-edit.obo
+++ b/src/ontology/uberon-edit.obo
@@ -40,7 +40,6 @@ synonymtypedef: LATIN "latin term"
 synonymtypedef: MISSPELLING "a mis-spelling that is in common use and thus recorded"
 synonymtypedef: NON_AMNIOTE "synonym that is inappropriate for amniotes"
 synonymtypedef: NON_MAMMAL "synonym that is inappropriate for mammals"
-synonymtypedef: OMO:0003004 "plural term"
 synonymtypedef: PENDING_REVIEW "expert consultation and attribution required"
 synonymtypedef: SENSU "taxonomic disambiguation"
 synonymtypedef: SYSTEMATIC "a systematic synonym used as the base name for design patterns"