diff --git a/roles/apache/templates/redmine.conf b/roles/apache/templates/redmine.conf
index ef88001..f011fb5 100644
--- a/roles/apache/templates/redmine.conf
+++ b/roles/apache/templates/redmine.conf
@@ -6,7 +6,6 @@
 
 Header always unset "X-Powered-By"
 Header always unset "X-Runtime"
-Header always set "X-UA-Compatible" "IE=edge"
 
 PassengerMaxPoolSize 20
 PassengerMaxInstancesPerApp 4