diff --git a/lighthouse-core/config/default.js b/lighthouse-core/config/default.js
index daa80a696707..b291716c258d 100644
--- a/lighthouse-core/config/default.js
+++ b/lighthouse-core/config/default.js
@@ -122,7 +122,6 @@ module.exports = {
     'accessibility/video-caption',
     'accessibility/video-description',
     'byte-efficiency/total-byte-weight',
-    // "byte-efficiency/unused-css-rules",
     'byte-efficiency/offscreen-images',
     'byte-efficiency/uses-webp-images',
     'byte-efficiency/uses-optimized-images',
@@ -135,7 +134,6 @@ module.exports = {
     'dobetterweb/link-blocking-first-paint',
     'dobetterweb/no-document-write',
     'dobetterweb/no-mutation-events',
-    // "dobetterweb/no-old-flexbox",
     'dobetterweb/no-websql',
     'dobetterweb/notification-on-start',
     'dobetterweb/password-inputs-can-be-pasted-into',
@@ -229,9 +227,8 @@ module.exports = {
         {id: 'estimated-input-latency', weight: 1, group: 'perf-metric'},
         {id: 'link-blocking-first-paint', weight: 0, group: 'perf-hint'},
         {id: 'script-blocking-first-paint', weight: 0, group: 'perf-hint'},
-        // {"id": "unused-css-rules", "weight": 0},
-        {id: 'offscreen-images', weight: 0, group: 'perf-hint'},
         {id: 'uses-responsive-images', weight: 0, group: 'perf-hint'},
+        {id: 'offscreen-images', weight: 0, group: 'perf-hint'},
         {id: 'uses-optimized-images', weight: 0, group: 'perf-hint'},
         {id: 'uses-webp-images', weight: 0, group: 'perf-hint'},
         {id: 'uses-request-compression', weight: 0, group: 'perf-hint'},