diff --git a/Gruntfile.js b/Gruntfile.js
index 8d293654e..76fbbcbaf 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -321,7 +321,6 @@ module.exports = function (grunt) {
         failHard: true,
         reset: true,
         relaxerror: [
-          'Bad value X-UA-Compatible for attribute http-equiv on element meta.',
           'Element img is missing required attribute src.',
           'Attribute autocomplete not allowed on element input at this point.',
           'Attribute autocomplete not allowed on element button at this point.'