diff --git a/modules/worker/back/models/worker.js b/modules/worker/back/models/worker.js
index 97e6a283c..4895a6107 100644
--- a/modules/worker/back/models/worker.js
+++ b/modules/worker/back/models/worker.js
@@ -1,5 +1,4 @@
 module.exports = Self => {
-    const validateTin = require('vn-loopback/util/validateTin');
     require('../methods/worker/filter')(Self);
     require('../methods/worker/mySubordinates')(Self);
     require('../methods/worker/isSubordinate')(Self);
@@ -23,26 +22,10 @@ module.exports = Self => {
     require('../methods/worker/getAvailablePda')(Self);
     require('../methods/worker/myTeam')(Self);
 
-    Self.validateAsync('fi', tinIsValid, {
-        message: 'Invalid TIN'
-    });
-
     Self.canModifyAbsenceInPast = async(ctx, time) => {
         const hasPrivs = await Self.app.models.ACL.checkAccessAcl(ctx, 'Worker', 'canModifyAbsenceInPast', 'WRITE');
         const today = Date.vnNew();
         today.setHours(0, 0, 0, 0);
         return hasPrivs || today.getTime() < time;
     };
-
-    async function tinIsValid(err, done) {
-        const country = await Self.app.models.Country.findOne({
-            fields: ['code'],
-            where: {id: this.originCountryFk}
-        });
-        const code = country ? country.code.toLowerCase() : null;
-
-        if (!this.fi || !validateTin(this.fi, code))
-            err();
-        done();
-    }
 };