diff --git a/src/Umbraco.Web.UI/App_Browsers/w3cvalidator.browser b/src/Umbraco.Web.UI/App_Browsers/w3cvalidator.browser
deleted file mode 100644
index ab466c828e..0000000000
--- a/src/Umbraco.Web.UI/App_Browsers/w3cvalidator.browser
+++ /dev/null
@@ -1,26 +0,0 @@
-<browsers>
-  <!--
-  Browser capability file for the w3c validator
-  
-  sample UA: "W3C_Validator/1.305.2.148 libwww-perl/5.803"
-  -->
-  <browser id="w3cValidator" parentID="default">
-    <identification>
-      <userAgent match="^W3C_Validator" />
-    </identification>
-
-    <capture>
-      <userAgent match="^W3C_Validator/(?'version'(?'major'\d+)(?'minor'\.\d+)\w*).*" />
-    </capture>
-
-    <capabilities>
-      <capability name="browser" value="w3cValidator" />
-      <capability name="majorversion" value="${major}" />
-      <capability name="minorversion" value="${minor}" />
-      <capability name="version" value="${version}" />
-      <capability name="w3cdomversion" value="1.0" />
-      <capability name="xml" value="true" />
-      <capability name="tagWriter" value="System.Web.UI.HtmlTextWriter" />
-    </capabilities>
-  </browser>
-</browsers>
\ No newline at end of file
diff --git a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
index c90722c08c..69347d0520 100644
--- a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
+++ b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
@@ -474,7 +474,6 @@
     <Content Include="Umbraco\Webservices\codeEditorSave.asmx" />
     <Content Include="Umbraco\Webservices\legacyAjaxCalls.asmx" />
     <Content Include="Umbraco\Webservices\nodeSorter.asmx" />
-    <Content Include="App_Browsers\w3cvalidator.browser" />
     <Content Include="App_Browsers\Form.browser" />
     <Content Include="Umbraco\Masterpages\default.Master" />
     <None Include="web.Template.config">