diff --git a/config.yaml b/config.yaml
index 236e7678..6857ff9b 100644
--- a/config.yaml
+++ b/config.yaml
@@ -16,9 +16,6 @@ collections:
         index_paths: ./sample_archive/cdx/
         archive_paths: ./sample_archive/warcs/
 
-    ukwa: cdx+https://www.webarchive.org.uk/wayback/archive/cdx
-    is: cdx+http://beta.vefsafn.is/is/cdx
-
 # Settings for each collection
 use_js_obj_proxy: true