diff --git a/src/SQL2Linked/Implementations/ResourceTypeStructuralData.cs b/src/SQL2Linked/Implementations/ResourceTypeStructuralData.cs
index c9aa4577ce26da57c0d55dfdc00f96e8056664c7..d5fc3b2497a9f7a3ddc1c0e23f30faecc275cb27 100644
--- a/src/SQL2Linked/Implementations/ResourceTypeStructuralData.cs
+++ b/src/SQL2Linked/Implementations/ResourceTypeStructuralData.cs
@@ -7,9 +7,6 @@ namespace SQL2Linked.Implementations
     public class ResourceTypeStructuralData : StructuralData<ResourceType, ResourceTypeModel>
     {
         public readonly string ResourceTypeUrlPrefix = "https://purl.org/coscine/resourcetype";
-        public readonly Uri RdfType = new("http://www.w3.org/1999/02/22-rdf-syntax-ns#type");
-        public readonly Uri DcatDataService = new ("http://www.w3.org/ns/dcat#DataService");
-        public readonly Uri dctermsTitle = new("http://purl.org/dc/terms/title");
         public readonly Uri rdf = new("http://www.w3.org/1999/02/22-rdf-syntax-ns#");
         public readonly Uri dcat = new("http://www.w3.org/ns/dcat#");
         public readonly Uri dcterms = new("http://purl.org/dc/terms/");