diff --git a/crossdomain.xml b/crossdomain.xml
deleted file mode 100644
index def1ca2b14..0000000000
--- a/crossdomain.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<cross-domain-policy xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://www.adobe.com/xml/schemas/PolicyFile.xsd">
-  <allow-access-from domain="*.php.net" />
-  <site-control permitted-cross-domain-policies="master-only"/>
-  <allow-http-request-headers-from domain="*.php.net" headers="*" secure="true"/>
-</cross-domain-policy>