diff --git a/CHANGES.md b/CHANGES.md
index 2dbc7b86fe..9a1edd5407 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -18,6 +18,7 @@ Core Changes:
 
 Language Improvements:
 
+- enh(xml) deprecate ActionScript inside script tags (#) [Josh Goebel][]
 - fix(javascript) prevent get/set variables conflicting with keywords (#2440) [Josh Goebel][]
 - bug(clojure) Now highlights `defn-` properly (#2438) [Josh Goebel][]
 - enh(bash) default value is another variable (#2439) [Josh Goebel][]
diff --git a/src/languages/xml.js b/src/languages/xml.js
index 1b49fef5c1..877092f72e 100644
--- a/src/languages/xml.js
+++ b/src/languages/xml.js
@@ -121,7 +121,7 @@ export default function(hljs) {
         contains: [TAG_INTERNALS],
         starts: {
           end: '\<\/script\>', returnEnd: true,
-          subLanguage: ['actionscript', 'javascript', 'handlebars', 'xml']
+          subLanguage: ['javascript', 'handlebars', 'xml']
         }
       },
       {