diff --git a/ontology/saref4ehaw.ttl b/ontology/saref4ehaw.ttl
index 18051d57a4913329c41e2c0e4f9fc7522e556e42..9dcdca2e740a786d9926abb4ac7ca7df53183f48 100644
--- a/ontology/saref4ehaw.ttl
+++ b/ontology/saref4ehaw.ttl
@@ -99,19 +99,13 @@ vann:preferredNamespaceUri rdf:type owl:AnnotationProperty .
 
 ###  https://saref.etsi.org/core/consistsOf
 saref:consistsOf rdf:type owl:ObjectProperty ;
+                 rdfs:domain s4ehaw:Ban ;
+                 rdfs:range s4ehaw:HealthDevice ;
                  rdfs:comment "A relationship indicating a composite entity that consists of other entities (e.g., a temperature/humidity sensor that consists of a temperature sensor and a humidity sensor)"@en ;
                  rdfs:isDefinedBy saref: ;
                  rdfs:label "consists of"@en .
 
 
-###  https://saref.etsi.org/saref4ehaw/contains
-s4ehaw:contains rdf:type owl:ObjectProperty ;
-                rdfs:domain s4ehaw:Ban ;
-                rdfs:range s4ehaw:HealthDevice ;
-                rdfs:comment "A Body Area Network or BAN contains one or multiple health devices"@en ;
-                rdfs:label "contains"@en .
-
-
 ###  https://saref.etsi.org/saref4ehaw/followsUser
 s4ehaw:followsUser rdf:type owl:ObjectProperty ;
                    rdfs:domain s4ehaw:Helper ;