diff --git a/ontology/saref4ehaw.ttl b/ontology/saref4ehaw.ttl
index a5d945ee8fddf6b04a3d0071a5fb6d7812351944..8791b5ad89c26775ecc9784eae721ce487d3a668 100644
--- a/ontology/saref4ehaw.ttl
+++ b/ontology/saref4ehaw.ttl
@@ -250,14 +250,6 @@ s4ehaw:hasMeasurement rdf:type owl:ObjectProperty ;
                       rdfs:label "has measurement"@en .
 
 
-###  https://saref.etsi.org/saref4ehaw/hasMode
-s4ehaw:hasMode rdf:type owl:ObjectProperty ;
-               rdfs:domain s4ehaw:DeviceCharacteristic ;
-               rdfs:range s4ehaw:Mode ;
-               rdfs:comment "Each device has modes of operations that model its dynamic characteristic varying during its lifetime, e.g. active, hold, beacon..."@en ;
-               rdfs:label "has mode"@en .
-
-
 ###  https://saref.etsi.org/saref4ehaw/hasOperatingConstraint
 s4ehaw:hasOperatingConstraint rdf:type owl:ObjectProperty ;
                               rdfs:domain s4ehaw:HealthDevice ;
@@ -322,14 +314,6 @@ s4ehaw:hasTimeSeriesMesurement rdf:type owl:ObjectProperty ;
                                rdfs:label "has time series measurement"@en .
 
 
-###  https://saref.etsi.org/saref4ehaw/inCurrentMode
-s4ehaw:inCurrentMode rdf:type owl:ObjectProperty ;
-                     rdfs:domain s4ehaw:HealthDevice ;
-                     rdfs:range s4ehaw:Mode ;
-                     rdfs:comment "Each eHealth device has modes of operations that model its dynamic characteristic varying during its lifetime, e.g. active, hold, beacon..."@en ;
-                     rdfs:label "in current mode"@en .
-
-
 ###  https://saref.etsi.org/saref4ehaw/interfaceProtocol
 s4ehaw:interfaceProtocol rdf:type owl:ObjectProperty ;
                          rdfs:domain s4ehaw:Interface ;
@@ -735,14 +719,6 @@ s4ehaw:minimumValue rdf:type owl:DatatypeProperty ;
                     rdfs:label "minimum value"@en .
 
 
-###  https://saref.etsi.org/saref4ehaw/modeName
-s4ehaw:modeName rdf:type owl:DatatypeProperty ;
-                rdfs:domain s4ehaw:Mode ;
-                rdfs:range xsd:string ;
-                rdfs:comment "The mode name of a device, e.g. sleeping."@en ;
-                rdfs:label "mode name"@en .
-
-
 ###  https://saref.etsi.org/saref4ehaw/phenomena
 s4ehaw:phenomena rdf:type owl:DatatypeProperty ;
                  rdfs:domain s4ehaw:Ban ;
@@ -1116,12 +1092,6 @@ s4ehaw:MeasurementFunction rdf:type owl:Class ;
                            rdfs:label "Measurement function"@en .
 
 
-###  https://saref.etsi.org/saref4ehaw/Mode
-s4ehaw:Mode rdf:type owl:Class ;
-            rdfs:comment "The dynamic characteristics of a eHealth Device that vary during its lifetime or its BAN lifetime."@en ;
-            rdfs:label "Mode"@en .
-
-
 ###  https://saref.etsi.org/saref4ehaw/NocturnalActivity
 s4ehaw:NocturnalActivity rdf:type owl:Class ;
                          rdfs:subClassOf s4ehaw:Activity ;