diff --git a/apis_ontology/rdfimport/InstitutionFromDNB.toml b/apis_ontology/rdfimport/InstitutionFromDNB.toml
deleted file mode 100644
index 50f9444..0000000
--- a/apis_ontology/rdfimport/InstitutionFromDNB.toml
+++ /dev/null
@@ -1,32 +0,0 @@
-#####################################################
-# Create an E74_Group from a d-nb.info RDF endpoint #
-#####################################################
-superclass = "apis_ontology.models.Institution"
-regex = "https://d-nb.info.*"
-[[attributes]]
-# name
-sparql = """
-PREFIX gndo: <https://d-nb.info/standards/elementset/gnd#>
-SELECT ?name
-WHERE {
-  ?subject gndo:preferredNameForTheCorporateBody ?name
-}
-"""
-[[attributes]]
-# start_date_written
-sparql = """
-PREFIX gndo: <https://d-nb.info/standards/elementset/gnd#>
-SELECT ?start_date_written
-WHERE {
-  ?subject gndo:dateOfEstablishment ?start_date_written
-}
-"""
-[[attributes]]
-# end_date_written
-sparql = """
-PREFIX gndo: <https://d-nb.info/standards/elementset/gnd#>
-SELECT ?end_date_written
-WHERE {
-  ?subject gndo:dateOfTermination ?end_date_written
-}
-"""
diff --git a/apis_ontology/rdfimport/PersonFromDNB.toml b/apis_ontology/rdfimport/PersonFromDNB.toml
deleted file mode 100644
index 989ec81..0000000
--- a/apis_ontology/rdfimport/PersonFromDNB.toml
+++ /dev/null
@@ -1,92 +0,0 @@
-######################################################
-# Create an E21_Person from a d-nb.info RDF endpoint #
-######################################################
-superclass = "apis_ontology.models.Person"
-regex = "https://d-nb.info.*"
-[[attributes]]
-# name
-sparql = """
-PREFIX gndo: <https://d-nb.info/standards/elementset/gnd#>
-SELECT ?surname
-WHERE {
-  ?subject gndo:preferredNameEntityForThePerson/gndo:surname ?name .
-  BIND(?name AS ?surname)
-}
-"""
-[[attributes]]
-# name
-sparql = """
-PREFIX gndo: <https://d-nb.info/standards/elementset/gnd#>
-SELECT ?surname
-WHERE {
-  ?subject gndo:preferredNameEntityForThePerson/gndo:nameAddition ?name .
-  BIND(?name AS ?surname)
-}
-"""
-[[attributes]]
-# first_name
-sparql = """
-PREFIX gndo: <https://d-nb.info/standards/elementset/gnd#>
-SELECT ?forename
-WHERE {
-  ?subject gndo:preferredNameEntityForThePerson/gndo:forename ?first_name .
-  BIND(?first_name as ?forename)
-}
-"""
-[[attributes]]
-# first_name
-sparql = """
-PREFIX gndo: <https://d-nb.info/standards/elementset/gnd#>
-SELECT ?forename
-WHERE {
-  ?subject gndo:preferredNameEntityForThePerson/gndo:personalName ?first_name .
-  BIND(?first_name as ?forename)
-}
-"""
-[[attributes]]
-# profession
-sparql = """
-PREFIX gndo: <https://d-nb.info/standards/elementset/gnd#>
-SELECT (GROUP_CONCAT(?professionlist) AS ?profession)
-WHERE {
-  ?subject gndo:professionOrOccupation ?profession_seq.
-  ?profession_seq ?seq ?professionlist
-}
-GROUP BY ?subject
-"""
-[[attributes]]
-# date_of_birth
-sparql = """
-PREFIX gndo: <https://d-nb.info/standards/elementset/gnd#>
-SELECT ?start_date_written
-WHERE {
-  ?subject gndo:dateOfBirth ?start_date_written .
-}
-"""
-[[attributes]]
-# date_of_death
-sparql = """
-PREFIX gndo: <https://d-nb.info/standards/elementset/gnd#>
-SELECT ?end_date_written
-WHERE {
-  ?subject gndo:dateOfDeath ?end_date_written .
-}
-"""
-[[attributes]]
-# place_of_birth
-sparql = """
-PREFIX gndo: <https://d-nb.info/standards/elementset/gnd#>
-SELECT ?place_of_birth__Place__WurdeGeborenIn
-WHERE {
-  ?subject gndo:placeOfBirth ?place_of_birth__Place__WurdeGeborenIn
-}
-"""
-[[attributes]]
-# place_of_death
-sparql = """
-PREFIX gndo: <https://d-nb.info/standards/elementset/gnd#>
-SELECT ?place_of_death__Place__StarbIn
-WHERE {
-  ?subject gndo:placeOfDeath ?place_of_death__Place__StarbIn
-}
-"""