diff --git a/p/cfl/index.js b/p/cfl/index.js
index 73c03302..ea768c7a 100644
--- a/p/cfl/index.js
+++ b/p/cfl/index.js
@@ -3,16 +3,11 @@
 const baseProfile = require('./base.json')
 const products = require('./products')
 
-const transformReqBody = (ctx, body) => {
-	body.lang = 'de'
-	return body
-}
-
 const cflProfile = {
 	...baseProfile,
 	locale: 'de-LU',
 	timezone: 'Europe/Luxembourg',
-	transformReqBody,
+	defaultLanguage: 'de',
 
 	products: products,
 
diff --git a/p/irish-rail/index.js b/p/irish-rail/index.js
index 01e55d9d..d0299af6 100644
--- a/p/irish-rail/index.js
+++ b/p/irish-rail/index.js
@@ -3,16 +3,11 @@
 const baseProfile = require('./base.json')
 const products = require('./products')
 
-const transformReqBody = (ctx, body) => {
-	body.lang = 'ga'
-	return body
-}
-
 const irishRailProfile = {
 	...baseProfile,
 	locale: 'en-IE',
 	timezone: 'Europe/Dublin',
-	transformReqBody,
+	defaultLanguage: 'ga',
 	salt: Buffer.from('i5s7m3q9z6b4k1c2', 'utf8'),
 	addMicMac: true,