diff --git a/ontology/saref4auto.ttl b/ontology/saref4auto.ttl
index e1397c47f8b9bf6733b1091666f9ffbba8199b82..2c6c38ac9b70b40ffb1fbdd5cdac4a7fdff1cad3 100644
--- a/ontology/saref4auto.ttl
+++ b/ontology/saref4auto.ttl
@@ -189,20 +189,6 @@ saref:measuresProperty rdf:type owl:ObjectProperty ;
                        rdfs:label "measures property"@en .
 
 
-###  https://saref.etsi.org/core/relatesToMeasurement
-saref:relatesToMeasurement rdf:type owl:ObjectProperty ;
-                           rdfs:comment "A relationship between a property and the measurements it relates to"@en ;
-                           rdfs:isDefinedBy saref: ;
-                           rdfs:label "relates to measurement"@en .
-
-
-###  https://saref.etsi.org/core/relatesToProperty
-saref:relatesToProperty rdf:type owl:ObjectProperty ;
-                        rdfs:comment "A relationship between a measurement and the property it relates to"@en ;
-                        rdfs:isDefinedBy saref: ;
-                        rdfs:label "relates to property"@en .
-
-
 ###  https://saref.etsi.org/saref4auto/consistsOfEntity
 :consistsOfEntity rdf:type owl:ObjectProperty ;
                   rdfs:subPropertyOf saref:consistsOf ;
@@ -794,20 +780,11 @@ saref:Measurement rdf:type owl:Class ;
                                     owl:onProperty saref:isMeasuredIn ;
                                     owl:allValuesFrom saref:UnitOfMeasure
                                   ] ,
-                                  [ rdf:type owl:Restriction ;
-                                    owl:onProperty saref:relatesToProperty ;
-                                    owl:allValuesFrom saref:Property
-                                  ] ,
                                   [ rdf:type owl:Restriction ;
                                     owl:onProperty saref:isMeasuredIn ;
                                     owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger ;
                                     owl:onClass saref:UnitOfMeasure
                                   ] ,
-                                  [ rdf:type owl:Restriction ;
-                                    owl:onProperty saref:relatesToProperty ;
-                                    owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger ;
-                                    owl:onClass saref:Property
-                                  ] ,
                                   [ rdf:type owl:Restriction ;
                                     owl:onProperty saref:hasTimestamp ;
                                     owl:allValuesFrom xsd:dateTime
@@ -831,10 +808,6 @@ saref:Property rdf:type owl:Class ;
                                [ rdf:type owl:Restriction ;
                                  owl:onProperty saref:isMeasuredByDevice ;
                                  owl:allValuesFrom saref:Device
-                               ] ,
-                               [ rdf:type owl:Restriction ;
-                                 owl:onProperty saref:relatesToMeasurement ;
-                                 owl:allValuesFrom saref:Measurement
                                ] ;
                rdfs:comment "Anything that can be sensed, measured or controlled by a device (measured by a sensor, controlled by an actuator) ."@en ;
                rdfs:isDefinedBy <https://saref.etsi.org/core> ;