diff --git a/app/models/group.rb b/app/models/group.rb
index c96248ebd29..011cc297ba9 100644
--- a/app/models/group.rb
+++ b/app/models/group.rb
@@ -49,7 +49,8 @@ class Group < ActiveRecord::Base
 
 
     extra_users = group.users.where("users.id NOT IN (#{real_ids})").select('users.id')
-    missing_users = GroupUser.joins("RIGHT JOIN (#{real_ids}) X ON X.id = user_id AND group_id = #{group.id}")
+    missing_users = GroupUser
+      .joins("RIGHT JOIN (#{real_ids}) X ON X.id = user_id AND group_id = #{group.id}")
       .where("user_id IS NULL")
       .select("X.id")
 
@@ -77,15 +78,12 @@ class Group < ActiveRecord::Base
   end
 
   def self.[](name)
-    unless g = lookup_group(name)
-      g = refresh_automatic_group!(name)
-    end
-    g
+    lookup_group(name) || refresh_automatic_group!(name)
   end
 
   def self.lookup_group(name)
     raise ArgumentError, "unknown group" unless id = AUTO_GROUPS[name]
-    g = Group.where(id: id).first
+    Group.where(id: id).first
   end
 
 
diff --git a/lib/freedom_patches/performance_fixes.rb b/lib/freedom_patches/performance_fixes.rb
index 74d0e2e06c5..30827702a67 100644
--- a/lib/freedom_patches/performance_fixes.rb
+++ b/lib/freedom_patches/performance_fixes.rb
@@ -14,6 +14,7 @@ class ActionView::Helpers::AssetTagHelper::AssetIncludeTag
 private
 
   # pluralization is fairly expensive, and pluralizing the word javascript 400 times is pointless
+  # this is fixed in Rails 4
 
   def path_to_asset(source, options = {})
     asset_paths.compute_public_path(source, pluralize_asset_name(asset_name), options.merge(:ext => extension))