diff --git a/back/methods/postcode/filter.js b/back/methods/postcode/filter.js
index 8f47b4a93f..f350b1ea92 100644
--- a/back/methods/postcode/filter.js
+++ b/back/methods/postcode/filter.js
@@ -47,8 +47,6 @@ module.exports = Self => {
         let stmt;
         stmt = new ParameterizedSQL(`
             SELECT
-                CONCAT_WS('_', pc.code, pc.townFk, t.provinceFk,
-                p.countryFk) id,
                 pc.townFk,
                 t.provinceFk,
                 p.countryFk,