diff --git a/app/views/layouts/base.html.erb b/app/views/layouts/base.html.erb
index 1d469fc40..6b06edd73 100644
--- a/app/views/layouts/base.html.erb
+++ b/app/views/layouts/base.html.erb
@@ -5,7 +5,6 @@
 <title><%=h html_title %></title>
 <meta name="description" content="<%= Redmine::Info.app_name %>" />
 <meta name="keywords" content="issue,bug,tracker" />
-<meta http-equiv="X-UA-Compatible" content="IE=9; IE=8; IE=7; IE=EDGE" />
 <%= csrf_meta_tag %>
 <%= favicon %>
 <%= stylesheet_link_tag 'jquery/jquery-ui-1.8.21', 'application', :media => 'all' %>