diff --git a/.arclint b/.arclint
--- a/.arclint
+++ b/.arclint
@@ -41,11 +41,12 @@
       "include": "(\\.php$)",
       "severity": {
         "16": "advice",
-        "29": "warning",
         "31": "error",
         "34": "error",
         "35": "error"
-      }
+      },
+      "xhpast.php-version": "5.2.3",
+      "xhpast.php-version.windows": "5.3.0"
     }
   }
 }