diff --git a/lib/jekyll/convertible.rb b/lib/jekyll/convertible.rb
index d9298f4f..c61807f9 100644
--- a/lib/jekyll/convertible.rb
+++ b/lib/jekyll/convertible.rb
@@ -87,9 +87,9 @@ module Jekyll
       if converters.all? { |c| c.is_a?(Jekyll::Converters::Identity) }
         ext
       else
-        converters.map { |c|
+        converters.map do |c|
           c.output_ext(ext) unless c.is_a?(Jekyll::Converters::Identity)
-        }.compact.last
+        end.compact.last
       end
     end
 
@@ -122,9 +122,9 @@ module Jekyll
     #
     # Returns the Hash representation of this Convertible.
     def to_liquid(attrs = nil)
-      further_data = Hash[(attrs || self.class::ATTRIBUTES_FOR_LIQUID).map { |attribute|
+      further_data = Hash[(attrs || self.class::ATTRIBUTES_FOR_LIQUID).map do |attribute|
         [attribute, send(attribute)]
-      }]
+      end]
 
       defaults = site.frontmatter_defaults.all(relative_path, type)
       Utils.deep_merge_hashes defaults, Utils.deep_merge_hashes(data, further_data)
diff --git a/lib/jekyll/filters.rb b/lib/jekyll/filters.rb
index 734457cb..9b2cad9d 100644
--- a/lib/jekyll/filters.rb
+++ b/lib/jekyll/filters.rb
@@ -238,7 +238,7 @@ module Jekyll
             "'#{nils}' is not a valid nils order. It must be 'first' or 'last'.")
         end
 
-        input.sort { |apple, orange|
+        input.sort do |apple, orange|
           apple_property = item_property(apple, property)
           orange_property = item_property(orange, property)
 
@@ -249,7 +249,7 @@ module Jekyll
           else
             apple_property <=> orange_property
           end
-        }
+        end
       end
     end
 
diff --git a/lib/jekyll/reader.rb b/lib/jekyll/reader.rb
index 2926971b..c9ded560 100644
--- a/lib/jekyll/reader.rb
+++ b/lib/jekyll/reader.rb
@@ -68,11 +68,11 @@ module Jekyll
     #
     # Returns nothing.
     def retrieve_dirs(_base, dir, dot_dirs)
-      dot_dirs.map { |file|
+      dot_dirs.map do |file|
         dir_path = site.in_source_dir(dir, file)
         rel_path = File.join(dir, file)
         @site.reader.read_directories(rel_path) unless @site.dest.sub(/\/$/, '') == dir_path
-      }
+      end
     end
 
     # Retrieve all the pages from the current directory,
diff --git a/lib/jekyll/site.rb b/lib/jekyll/site.rb
index 3ed60c12..fcd4bf77 100644
--- a/lib/jekyll/site.rb
+++ b/lib/jekyll/site.rb
@@ -196,9 +196,9 @@ module Jekyll
     #
     # Returns nothing.
     def write
-      each_site_file { |item|
+      each_site_file do |item|
         item.write(dest) if regenerator.regenerate?(item)
-      }
+      end
       regenerator.write_metadata
       Jekyll::Hooks.trigger :site, :post_write, self
     end