diff --git a/ontology/saref4ehaw.ttl b/ontology/saref4ehaw.ttl
index 2d6cfe347ac789e9cdee481915999b93a7be3aae..954c41d64d5ce5a9546b52b6d0c40aabeea933eb 100644
--- a/ontology/saref4ehaw.ttl
+++ b/ontology/saref4ehaw.ttl
@@ -278,14 +278,6 @@ s4ehaw:inCurrentMode rdf:type owl:ObjectProperty ;
                 rdfs:label "in current mode"@en .
 
 
-###  https://saref.etsi.org/s4ehaw/isAnActor
-s4ehaw:isAnActor rdf:type owl:ObjectProperty ;
-               rdfs:domain s4ehaw:Contact ;
-               rdfs:range s4ehaw:Actor ;
-               rdfs:comment "Defines the relatonship between a contact that is an actor of an eHealth system (caregiver or patient or user or halper)." ;
-               rdfs:label "is an actor"@en .
-
-
 ###  https://saref.etsi.org/s4ehaw/isAssociatedWith
 s4ehaw:isAssociatedWith rdf:type owl:ObjectProperty ;
                         rdfs:domain s4ehaw:Atomic ;