diff --git a/src/ontology/efo-edit.owl b/src/ontology/efo-edit.owl
index 10db1606..51f7972e 100644
--- a/src/ontology/efo-edit.owl
+++ b/src/ontology/efo-edit.owl
@@ -157533,7 +157533,6 @@ SubClassOf(efo:EFO_0008450 ObjectSomeValuesFrom(obo:IAO_0000136 obo:UBERON_00021
 AnnotationAssertion(obo:IAO_0000115 efo:EFO_0008451 "quantification of ability to perform daily living activities independently. A proxy to assess functional status in the elderly.")
 AnnotationAssertion(obo:IAO_0000117 efo:EFO_0008451 "Joannella Morales")
 AnnotationAssertion(oboInOwl:hasDbXref efo:EFO_0008451 "PMID:29158487")
-AnnotationAssertion(oboInOwl:hasExactSynonym efo:EFO_0008451 "")
 AnnotationAssertion(oboInOwl:hasExactSynonym efo:EFO_0008451 "ADL")
 AnnotationAssertion(oboInOwl:hasExactSynonym efo:EFO_0008451 "Katz ADL index")
 AnnotationAssertion(rdfs:label efo:EFO_0008451 "activities of daily living score measurement")