diff --git a/guides/Rakefile b/guides/Rakefile
index 24ff4589137..59643a464fe 100644
--- a/guides/Rakefile
+++ b/guides/Rakefile
@@ -7,7 +7,6 @@ namespace :guides do
   namespace :generate do
     desc "Generate HTML guides"
     task :html do
-      ENV["WARNINGS"] = "1" # authors can't disable this
       ruby "-Eutf-8:utf-8", "rails_guides.rb"
     end
 
diff --git a/guides/source/ruby_on_rails_guides_guidelines.md b/guides/source/ruby_on_rails_guides_guidelines.md
index ccd5183661d..6d9505ab16a 100644
--- a/guides/source/ruby_on_rails_guides_guidelines.md
+++ b/guides/source/ruby_on_rails_guides_guidelines.md
@@ -160,7 +160,7 @@ Please validate the generated HTML with:
 $ bundle exec rake guides:validate
 ```
 
-Particularly, titles get an ID generated from their content and this often leads to duplicates. Please set `WARNINGS=1` when generating guides to detect them. The warning messages suggest a solution.
+Particularly, titles get an ID generated from their content and this often leads to duplicates.
 
 Kindle Guides
 -------------