-import * as express from 'express'
-import { param } from 'express-validator/check'
-import { isAccountNameValid, isAccountNameWithHostExist, isLocalAccountNameExist } from '../../helpers/custom-validators/accounts'
+import express from 'express'
+import { param } from 'express-validator'
+import { isAccountNameValid } from '../../helpers/custom-validators/accounts'