diff --git a/dspace-api/src/main/java/org/dspace/content/authority/SherpaAuthority.java b/dspace-api/src/main/java/org/dspace/content/authority/SherpaAuthority.java
index 44bd406ce43c..54d8f3325ceb 100644
--- a/dspace-api/src/main/java/org/dspace/content/authority/SherpaAuthority.java
+++ b/dspace-api/src/main/java/org/dspace/content/authority/SherpaAuthority.java
@@ -173,9 +173,4 @@ private boolean isLocalItemChoicesEnabled() {
         return configurationService.getBooleanProperty("cris." + this.authorityName + ".local-item-choices-enabled");
     }
 
-    @Override
-    public Map<String, String> getExternalSource() {
-        return Map.of();
-    }
-
 }
\ No newline at end of file