diff --git a/ontology/saref4bldg.ttl b/ontology/saref4bldg.ttl
index df4d9cad039f840e3ea2b41c5fff664362939012..797f09c7499ac5c90af6baa83acf159f2765d80f 100644
--- a/ontology/saref4bldg.ttl
+++ b/ontology/saref4bldg.ttl
@@ -351,9 +351,7 @@ s4bldg:heatTransferSurfaceArea rdf:type owl:ObjectProperty ;
 
 
 ###  https://saref.etsi.org/saref4bldg/height
-s4bldg:height rdf:type owl:ObjectProperty ;
-              rdfs:comment "Height of the vibration isolator before tha application of load. Usually measured in millimeters (mm)."@en ;
-              rdfs:label "height"@en .
+s4bldg:height rdf:type owl:ObjectProperty .
 
 
 ###  https://saref.etsi.org/saref4bldg/horizontalSpacing
@@ -473,9 +471,7 @@ s4bldg:leakageFullyClosed rdf:type owl:ObjectProperty ;
 
 
 ###  https://saref.etsi.org/saref4bldg/length
-s4bldg:length rdf:type owl:ObjectProperty ;
-              rdfs:comment "The finished length of the device. Usually measured in millimeters (mm)."@en ;
-              rdfs:label "length"@en .
+s4bldg:length rdf:type owl:ObjectProperty .
 
 
 ###  https://saref.etsi.org/saref4bldg/liftElevationDifference
@@ -1153,9 +1149,7 @@ s4bldg:waterStorageCapacity rdf:type owl:ObjectProperty ;
 
 
 ###  https://saref.etsi.org/saref4bldg/weight
-s4bldg:weight rdf:type owl:ObjectProperty ;
-              rdfs:comment "The weight of the device. Usually measured in kilograms (kg) or grams (g)."@en ;
-              rdfs:label "weight"@en .
+s4bldg:weight rdf:type owl:ObjectProperty .
 
 
 ###  https://saref.etsi.org/saref4bldg/workingPressure