diff --git a/src/runtime/includes/utils.ts b/src/runtime/includes/utils.ts
deleted file mode 100644
index a131e0d..0000000
--- a/src/runtime/includes/utils.ts
+++ /dev/null
@@ -1,59 +0,0 @@
-import { GetClientLocaleOptions } from '../types'
-
-const getFromQueryString = (queryString: string, key: string) => {
-  const keyVal = queryString.split('&').find(i => i.indexOf(`${key}=`) === 0)
-
-  if (keyVal) {
-    return keyVal.split('=').pop()
-  }
-  return null
-}
-
-const getFirstMatch = (base: string, pattern: RegExp) => {
-  const match = pattern.exec(base)
-  // istanbul ignore if
-  if (!match) return null
-  // istanbul ignore else
-  return match[1] || null
-}
-
-export const getClientLocale = ({
-  navigator,
-  hash,
-  search,
-  pathname,
-  hostname,
-}: GetClientLocaleOptions) => {
-  let locale
-
-  // istanbul ignore next
-  if (typeof window === 'undefined') return null
-
-  if (hostname) {
-    locale = getFirstMatch(window.location.hostname, hostname)
-    if (locale) return locale
-  }
-
-  if (pathname) {
-    locale = getFirstMatch(window.location.pathname, pathname)
-    if (locale) return locale
-  }
-
-  if (navigator) {
-    // istanbul ignore else
-    locale = window.navigator.language || window.navigator.languages[0]
-    if (locale) return locale
-  }
-
-  if (search) {
-    locale = getFromQueryString(window.location.search.substr(1), search)
-    if (locale) return locale
-  }
-
-  if (hash) {
-    locale = getFromQueryString(window.location.hash.substr(1), hash)
-    if (locale) return locale
-  }
-
-  return null
-}