diff --git a/admin/searchengine/elasticsearch/mappings.yaml b/admin/searchengine/elasticsearch/mappings.yaml
index 3eac85f09d..b5602f1a48 100644
--- a/admin/searchengine/elasticsearch/mappings.yaml
+++ b/admin/searchengine/elasticsearch/mappings.yaml
@@ -2723,15 +2723,6 @@ biblios:
         sort: ~
         suggestible: ''
     type: ''
-  control-number-identifier:
-    label: control-number-identifier
-    mappings:
-      - facet: ''
-        marc_field: 003
-        marc_type: marc21
-        sort: ~
-        suggestible: ''
-    type: ''
   record-source:
     label: record-source
     mappings: