diff --git a/lib/rules/structure/canonical.js b/lib/rules/structure/canonical.js
index <HASH>..<HASH> 100644
--- a/lib/rules/structure/canonical.js
+++ b/lib/rules/structure/canonical.js
@@ -15,7 +15,7 @@ exports.check = function (sr, done) {
     // See https://lists.w3.org/Archives/Public/spec-prod/2017JulSep/0005.html
     sr.transition({
         to:          new Date('2017-09-30')
-    ,   doMeanwhile: function () { return done(); }
+    ,   doMeanwhile: () => {}
     ,   doAfter:     checkCanonical
     });
canonical: do nothing before <I>-<I>-<I>