diff --git a/ontology/uco/observable/observable.ttl b/ontology/uco/observable/observable.ttl
index a48239f3..d2f35f1a 100644
--- a/ontology/uco/observable/observable.ttl
+++ b/ontology/uco/observable/observable.ttl
@@ -5062,15 +5062,11 @@ observable:ObservableRelationship
 	sh:property
 		[
 			sh:class observable:Observable ;
-			sh:message "The source on an ObservableRelationship is expected to be typed as an Observable, and the noted value node is not.  This will be an error in UCO 2.0.0."@en ;
 			sh:path core:source ;
-			sh:severity sh:Warning ;
 		] ,
 		[
 			sh:class observable:Observable ;
-			sh:message "The target on an ObservableRelationship is expected to be typed as an Observable, and the noted value node is not.  This will be an error in UCO 2.0.0."@en ;
 			sh:path core:target ;
-			sh:severity sh:Warning ;
 		]
 		;
 	sh:targetClass observable:ObservableRelationship ;