diff --git a/config/apache/standardebooks.org.conf b/config/apache/standardebooks.org.conf
index acf44e03..904fdaff 100644
--- a/config/apache/standardebooks.org.conf
+++ b/config/apache/standardebooks.org.conf
@@ -1,5 +1,4 @@
 # Global configuration; see https://securityheaders.com
-Header			set X-UA-Compatible "IE=edge"
 Header			set X-Frame-Options "sameorigin"
 Header			set X-Content-Type-Options "nosniff"
 Header			set X-Xss-Protection "1; mode=block"
diff --git a/config/apache/standardebooks.test.conf b/config/apache/standardebooks.test.conf
index d9767e3a..6948e94d 100644
--- a/config/apache/standardebooks.test.conf
+++ b/config/apache/standardebooks.test.conf
@@ -1,5 +1,4 @@
 # Global configuration; see https://securityheaders.com
-Header			set X-UA-Compatible "IE=edge"
 Header			set X-Frame-Options "sameorigin"
 Header			set X-Content-Type-Options "nosniff"
 Header			set X-Xss-Protection "1; mode=block"