diff --git a/lib/jekyll/converters/markdown/redcarpet_parser.rb b/lib/jekyll/converters/markdown/redcarpet_parser.rb
index cf6c88ca..edbfaf9a 100644
--- a/lib/jekyll/converters/markdown/redcarpet_parser.rb
+++ b/lib/jekyll/converters/markdown/redcarpet_parser.rb
@@ -16,7 +16,7 @@ module Jekyll
           def block_code(code, lang)
             require 'pygments'
             lang = lang && lang.split.first || "text"
-            output = add_code_tags(
+            add_code_tags(
               Pygments.highlight(code, :lexer => lang, :options => { :encoding => 'utf-8' }),
               lang
             )
@@ -34,7 +34,7 @@ module Jekyll
 
           def block_code(code, lang)
             lang = lang && lang.split.first || "text"
-            output = add_code_tags(code_wrap(code), lang)
+            add_code_tags(code_wrap(code), lang)
           end
         end
 
diff --git a/lib/jekyll/site.rb b/lib/jekyll/site.rb
index a285a053..5e1877c7 100644
--- a/lib/jekyll/site.rb
+++ b/lib/jekyll/site.rb
@@ -174,7 +174,7 @@ module Jekyll
           aggregate_post_info(post)
         end
       end
-   end
+    end
 
     # Read all the files in <source>/<dir>/_drafts and create a new Post
     # object with each one.
@@ -275,7 +275,7 @@ module Jekyll
     def post_attr_hash(post_attr)
       # Build a hash map based on the specified post attribute ( post attr =>
       # array of posts ) then sort each array in reverse order.
-      hash = Hash.new { |hash, key| hash[key] = [] }
+      hash = Hash.new { |h, key| h[key] = [] }
       posts.each { |p| p.send(post_attr.to_sym).each { |t| hash[t] << p } }
       hash.values.map { |sortme| sortme.sort! { |a, b| b <=> a } }
       hash