diff --git a/back/methods/vn-user/renew-token.js b/back/methods/vn-user/renew-token.js
index 194747949b..28289aa2eb 100644
--- a/back/methods/vn-user/renew-token.js
+++ b/back/methods/vn-user/renew-token.js
@@ -1,4 +1,3 @@
-const UserError = require('vn-loopback/util/user-error');
 const {models} = require('vn-loopback/server/server');
 
 const handlePromiseLogout = (Self, {id}, courtesyTime) => {
diff --git a/loopback/locale/en.json b/loopback/locale/en.json
index a94717b4fb..8fc968e746 100644
--- a/loopback/locale/en.json
+++ b/loopback/locale/en.json
@@ -200,22 +200,6 @@
 	"keepPrice": "keepPrice",
 	"Cannot past travels with entries": "Cannot past travels with entries",
 	"It was not able to remove the next expeditions:": "It was not able to remove the next expeditions: {{expeditions}}",
-	"Try again": "Try again",
-    "Property is not defined in this model": "La propiedad que ha modificado no existe",
-	"postcode": "Postcode",
-	"postCode": "Postcode",
-	"fi": "NIF/CIF",
-	"nif": "NIF/CIF",
-    "Account": "Account",
-	"socialName": "Social name",
-	"street":"Street",
- 	"city":"City",
-	"countryFk":"Country",
-	"provinceFk":"Province",
-    "supplierFk":"Supplier",
-	"healthRegister":"Health register",
-	"sageTaxTypeFk":"Sage tax type",
-	"sageTransactionTypeFk":"Sage transaction type",
-    "sageWithholdingFk": "Sage with holding"
+	"Try again": "Try again"
 }
 
diff --git a/loopback/locale/es.json b/loopback/locale/es.json
index 6c95281938..fad630bbe3 100644
--- a/loopback/locale/es.json
+++ b/loopback/locale/es.json
@@ -332,26 +332,5 @@
 	"provinceFk must be unique": "provinceFk must be unique",
 	"fi cannot be empty": "fi cannot be empty",
 	"countryFk cannot be empty": "countryFk cannot be empty",
-	"Model is not valid": "El campo \" {{key}}\" no es válido",
-	"Property is not defined in this model": "La propiedad que ha modificado no existe",
-	"postCode": "Código postal",
-	"postcode": "Código postal",
-	"fi": "NIF/CIF",
-	"nif": "NIF/CIF",
-	"Account": "Cuenta",
-	"socialName": "Razón social",
-	"street": "Dirección fiscal",
-	"city": "Población",
-	"countryFk": "País",
-	"provinceFk": "Provincia",
-	"supplierFk": "Actividad del proveedor",
-	"healthRegister": "Registro sanitario",
-	"sageTaxTypeFk": "Tipo de impuesto Sage",
-	"sageTransactionTypeFk": "Tipo de transacción Sage",
-	"sageWithholdingFk": "Sage con tenencia",
-	"Cannot past travels with entries": "No se pueden pasar envíos con entradas",
-	"It was not able to remove the next expeditions:": "No se pudo eliminar las siguientes expediciones: {{expeditions}}",
-	"Field are invalid": "El campo '{{tag}}' no es válido",
-	"additionalData": "additionalData",
-	"isToBeMailed": "isToBeMailed"
+	"Field are invalid": "El campo '{{tag}}' no es válido"
 }