diff --git a/railties/guides/code/getting_started/config/environments/development.rb b/railties/guides/code/getting_started/config/environments/development.rb
index d60a10568b..aefd25c6b6 100644
--- a/railties/guides/code/getting_started/config/environments/development.rb
+++ b/railties/guides/code/getting_started/config/environments/development.rb
@@ -6,9 +6,6 @@
   # since you don't have to restart the web server when you make code changes.
   config.cache_classes = false
 
-  # Log error messages when you accidentally call methods on nil.
-  config.whiny_nils = true
-
   # Show full error reports and disable caching
   config.consider_all_requests_local       = true
   config.action_controller.perform_caching = false
diff --git a/railties/guides/code/getting_started/config/environments/test.rb b/railties/guides/code/getting_started/config/environments/test.rb
index 08697cbbc9..1d45541d5c 100644
--- a/railties/guides/code/getting_started/config/environments/test.rb
+++ b/railties/guides/code/getting_started/config/environments/test.rb
@@ -11,9 +11,6 @@
   config.serve_static_assets = true
   config.static_cache_control = "public, max-age=3600"
 
-  # Log error messages when you accidentally call methods on nil
-  config.whiny_nils = true
-
   # Show full error reports and disable caching
   config.consider_all_requests_local       = true
   config.action_controller.perform_caching = false