diff --git a/app/assets/javascripts/discourse/lib/markdown.js b/app/assets/javascripts/discourse/lib/markdown.js
index 8f57adcfb97..983dbb9d81f 100644
--- a/app/assets/javascripts/discourse/lib/markdown.js
+++ b/app/assets/javascripts/discourse/lib/markdown.js
@@ -84,7 +84,6 @@ function anchorRegexp(regex) {
 
   var flags = "";
   if (regex.global) {
-    flags += "g";
     if (typeof console !== 'undefined') {
       console.warn("attribute validation regex should not be global");
     }