diff --git a/lib/deprecatedlib.php b/lib/deprecatedlib.php
index 9e382bb4ecc..d074eeeaccf 100644
--- a/lib/deprecatedlib.php
+++ b/lib/deprecatedlib.php
@@ -3900,17 +3900,12 @@ function count_login_failures($mode, $username, $lastlogin) {
 }
 
 /**
- * Returns whether ajax is enabled/allowed or not.
- * This function is deprecated and always returns true.
+ * It should no longer be required to work without JavaScript enabled.
  *
- * @param array $unused - not used any more.
- * @return bool
- * @deprecated since 2.7 MDL-33099 - please do not use this function any more.
- * @todo MDL-44088 This will be removed in Moodle 2.9.
+ * @deprecated since 2.7 MDL-33099/MDL-44088 - please do not use this function any more.
  */
 function ajaxenabled(array $browsers = null) {
-    debugging('ajaxenabled() is deprecated - please update your code to assume it returns true.', DEBUG_DEVELOPER);
-    return true;
+    throw new coding_exception('ajaxenabled() can not be used anymore. Update your code to work with JS at all times.');
 }
 
 /**