diff --git a/terraform/environments/delius-core/files/user_outbound_table_mapping.json b/terraform/environments/delius-core/files/user_outbound_table_mapping.json
index f8a2e966334..4d8b7128d6e 100644
--- a/terraform/environments/delius-core/files/user_outbound_table_mapping.json
+++ b/terraform/environments/delius-core/files/user_outbound_table_mapping.json
@@ -21,6 +21,18 @@
       },
       "rule-action": "include",
       "filters": []
-    }
+    },
+    {
+      "rule-type": "transformation",
+      "rule-id": "32",
+      "rule-name": "remove_staff_id",
+      "rule-target": "column",
+      "object-locator": {
+          "schema-name": "DELIUS_APP_SCHEMA",
+          "table-name": "USER_",
+          "column-name": "STAFF_ID"
+      },
+      "rule-action": "remove-column"
+  }
   ]
 }