diff --git a/.rubocop.yml b/.rubocop.yml
index 56b29b9c..4189be7b 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -62,7 +62,6 @@ AllCops:
   - lib/jekyll/tags/post_url.rb
   - lib/jekyll/theme.rb
   - lib/jekyll/url.rb
-  - lib/jekyll/utils/platforms.rb
   - lib/jekyll/utils.rb
   - lib/jekyll.rb
   - features/step_definitions.rb