diff --git a/core/pyproject.toml b/core/pyproject.toml
index 490ff7b811..12944dec71 100644
--- a/core/pyproject.toml
+++ b/core/pyproject.toml
@@ -233,7 +233,6 @@ clean-objectlog = "zeit.objectlog.objectlog:clean"
 dav-cache-sweep = "zeit.connector.cache:sweep"
 delete-content = "zeit.cms.content.cli:delete_content"
 delete-content-from-tms-indexes = "zeit.retresco.cli:delete_content_from_tms_indexes"
-dump_references = "zeit.cms.relation.migrate:dump_references"
 external-javascript-sweep = "zeit.sourcepoint.connection:sweep"
 external-javascript-update = "zeit.sourcepoint.connection:update"
 import-dpa-news-api = "zeit.newsimport.cli:import_dpa_news_api"
@@ -242,7 +241,6 @@ export-import-objectlogs = "zeit.objectlog.cli:export_import"
 export-import-permissions = "zeit.securitypolicy.cli:export_import"
 export-import-workingcopy = "zeit.cms.workingcopy.cli:export_import"
 ingredients-collect-used = "zeit.wochenmarkt.ingredients:collect_used"
-load_references = "zeit.cms.relation.migrate:load_references"
 prewarm-cache = "zeit.connector.cli:prewarm_cache"
 provide-interface = "zeit.cms.cli:provide_interface"
 publish-content = "zeit.cms.workflow.cli:publish"
diff --git a/core/src/zeit/cms/relation/migrate.py b/core/src/zeit/cms/relation/migrate.py
deleted file mode 100644
index 7e2c2eeffd..0000000000
--- a/core/src/zeit/cms/relation/migrate.py
+++ /dev/null
@@ -1,41 +0,0 @@
-import sys
-
-import transaction
-import zope.component
-import zope.component.hooks
-
-import zeit.cms.interfaces
-import zeit.cms.relation.interfaces
-
-
-# these are 'zopectl run' scripts to migrate the old indexes into the new index
-# created for #6300.
-
-
-def dump_references(root):
-    zope.component.hooks.setSite(root)
-    relations = zope.component.getUtility(zeit.cms.relation.interfaces.IRelations)
-    for token in relations._catalog_generation8.findRelationTokens():
-        print((token.encode('utf8')))
-
-
-def load_references(root):
-    import zeit.cms.testing
-
-    zeit.cms.testing.create_interaction('zope.manager')
-    _index(root, [x.strip() for x in sys.stdin.readlines()])
-
-
-def _index(root, ids):
-    zope.component.hooks.setSite(root)
-    relations = zope.component.getUtility(zeit.cms.relation.interfaces.IRelations)
-    for id in ids:
-        print(id)
-        id = id.decode('utf-8')
-        obj = zeit.cms.interfaces.ICMSContent(id, None)
-        if obj is None:
-            print('not found.')
-            continue
-        relations.index(obj)
-        transaction.commit()
-        print('indexed.')