diff --git a/app/views/layouts/_head.html.haml b/app/views/layouts/_head.html.haml
index 78d6d08ee1f537381227fa228197b657ad362da5..5a6ae09a506ca963be9bf48062f25079b47825c1 100644
--- a/app/views/layouts/_head.html.haml
+++ b/app/views/layouts/_head.html.haml
@@ -16,7 +16,7 @@
 
   = render 'layouts/google_analytics' if extra_config.has_key?('google_analytics_id')
   = render 'layouts/piwik' if extra_config.has_key?('piwik_url') && extra_config.has_key?('piwik_site_id')
-  = render 'layouts/bootlint' if Rails.env == 'development'
+  = render 'layouts/bootlint' if Rails.env.development?
 
   -# Atom feed
   - if current_user
diff --git a/config/initializers/6_rack_profiler.rb b/config/initializers/6_rack_profiler.rb
index b634028756925661e59683bd908b5140275504ef..bdad6202b11d34eb0be080246d3db22f9a1cccf7 100644
--- a/config/initializers/6_rack_profiler.rb
+++ b/config/initializers/6_rack_profiler.rb
@@ -1,4 +1,4 @@
-if Rails.env == 'development'
+if Rails.env.development?
   require 'rack-mini-profiler'
 
   # initialization is skipped so trigger it