diff --git a/webapi/src/main/scala/org/knora/webapi/responders/v2/ontology/OntologyCacheHelpers.scala b/webapi/src/main/scala/org/knora/webapi/responders/v2/ontology/OntologyCacheHelpers.scala
index 1080dd6637..5d7a1b459e 100644
--- a/webapi/src/main/scala/org/knora/webapi/responders/v2/ontology/OntologyCacheHelpers.scala
+++ b/webapi/src/main/scala/org/knora/webapi/responders/v2/ontology/OntologyCacheHelpers.scala
@@ -14,7 +14,6 @@ import org.knora.webapi.*
 import org.knora.webapi.messages.SmartIri
 import org.knora.webapi.messages.util.ErrorHandlingMap
 import org.knora.webapi.messages.v2.responder.ontologymessages.*
-import org.knora.webapi.messages.v2.responder.ontologymessages.OwlCardinality.*
 import org.knora.webapi.slice.admin.domain.model.User
 import org.knora.webapi.slice.ontology.domain.model.Cardinality.*
 import org.knora.webapi.slice.ontology.repo.service.OntologyCache