diff --git a/ext/json/lib/json/add/date.rb b/ext/json/lib/json/add/date.rb
index 20f0e8d..b58af76 100644
--- a/ext/json/lib/json/add/date.rb
+++ b/ext/json/lib/json/add/date.rb
@@ -4,7 +4,6 @@
 end
 require 'date'
 
-# Date serialization/deserialization
 class Date
 
   # Deserializes JSON string by converting Julian year <tt>y</tt>, month
diff --git a/ext/json/lib/json/add/date_time.rb b/ext/json/lib/json/add/date_time.rb
index 757d43c..f794eb3 100644
--- a/ext/json/lib/json/add/date_time.rb
+++ b/ext/json/lib/json/add/date_time.rb
@@ -4,7 +4,6 @@
 end
 require 'date'
 
-# DateTime serialization/deserialization
 class DateTime
 
   # Deserializes JSON string by converting year <tt>y</tt>, month <tt>m</tt>,
diff --git a/ext/json/lib/json/add/exception.rb b/ext/json/lib/json/add/exception.rb
index 95379d9..caac713 100644
--- a/ext/json/lib/json/add/exception.rb
+++ b/ext/json/lib/json/add/exception.rb
@@ -3,7 +3,6 @@
   require 'json'
 end
 
-# Exception serialization/deserialization
 class Exception
 
   # Deserializes JSON string by constructing new Exception object with message
diff --git a/ext/json/lib/json/add/ostruct.rb b/ext/json/lib/json/add/ostruct.rb
index 2fa1e88..1f9ce7b 100644
--- a/ext/json/lib/json/add/ostruct.rb
+++ b/ext/json/lib/json/add/ostruct.rb
@@ -4,7 +4,6 @@
 end
 require 'ostruct'
 
-# OpenStruct serialization/deserialization
 class OpenStruct
 
   # Deserializes JSON string by constructing new Struct object with values
diff --git a/ext/json/lib/json/add/range.rb b/ext/json/lib/json/add/range.rb
index 4dd7ccf..3ef2015 100644
--- a/ext/json/lib/json/add/range.rb
+++ b/ext/json/lib/json/add/range.rb
@@ -3,7 +3,6 @@
   require 'json'
 end
 
-# Range serialization/deserialization
 class Range
 
   # Deserializes JSON string by constructing new Range object with arguments
diff --git a/ext/json/lib/json/add/regexp.rb b/ext/json/lib/json/add/regexp.rb
index 4bea64f..41b260f 100644
--- a/ext/json/lib/json/add/regexp.rb
+++ b/ext/json/lib/json/add/regexp.rb
@@ -3,7 +3,6 @@
   require 'json'
 end
 
-# Regexp serialization/deserialization
 class Regexp
 
   # Deserializes JSON string by constructing new Regexp object with source
diff --git a/ext/json/lib/json/add/struct.rb b/ext/json/lib/json/add/struct.rb
index c9afe70..d08d882 100644
--- a/ext/json/lib/json/add/struct.rb
+++ b/ext/json/lib/json/add/struct.rb
@@ -3,7 +3,6 @@
   require 'json'
 end
 
-# Struct serialization/deserialization
 class Struct
 
   # Deserializes JSON string by constructing new Struct object with values
diff --git a/ext/json/lib/json/add/symbol.rb b/ext/json/lib/json/add/symbol.rb
index 831e5c6..31b56a2 100644
--- a/ext/json/lib/json/add/symbol.rb
+++ b/ext/json/lib/json/add/symbol.rb
@@ -3,7 +3,6 @@
   require 'json'
 end
 
-# Symbol serialization/deserialization
 class Symbol
   # Returns a hash, that will be turned into a JSON object and represent this
   # object.
diff --git a/ext/json/lib/json/add/time.rb b/ext/json/lib/json/add/time.rb
index 18e57d7..80b6434 100644
--- a/ext/json/lib/json/add/time.rb
+++ b/ext/json/lib/json/add/time.rb
@@ -3,7 +3,6 @@
   require 'json'
 end
 
-# Time serialization/deserialization
 class Time
 
   # Deserializes JSON string by converting time since epoch to Time