diff --git a/ontology/saref4wear.ttl b/ontology/saref4wear.ttl
index 78a500ebd340254c34bc4ea645869d7c144be5fc..7acf8516bdabb0d04c2cf82665a0dbae0d15393e 100644
--- a/ontology/saref4wear.ttl
+++ b/ontology/saref4wear.ttl
@@ -303,14 +303,6 @@ s4wear:hasPowerSupply rdf:type owl:ObjectProperty ;
                       rdfs:label "has power supply"@en .
 
 
-###  https://saref.etsi.org/saref4wear/hasSensor
-s4wear:hasSensor rdf:type owl:ObjectProperty ;
-                 rdfs:domain saref:Device ;
-                 rdfs:range saref:Sensor ;
-                 rdfs:comment "A relationship specifying a sensor integrated into a device."@en ;
-                 rdfs:label "has sensor"@en .
-
-
 ###  https://saref.etsi.org/saref4wear/installs
 s4wear:installs rdf:type owl:ObjectProperty ;
                 rdfs:domain s4city:Facility ;