diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,8 +1,6 @@
 DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
 Version 2, December 2004
 
-Copyright (C) 2011 koral <koral at mailoo dot org>
-
 Everyone is permitted to copy and distribute verbatim or modified
 copies of this license document, and changing it is allowed as long
 as the name is changed.
diff --git a/Text/Atom/Types.hs b/Text/Atom/Types.hs
--- a/Text/Atom/Types.hs
+++ b/Text/Atom/Types.hs
@@ -61,7 +61,7 @@
 
 
 data TextType = TypeText | TypeHTML
-  deriving(Eq, Ord, Generic, Read, Show)
+  deriving(Eq, Ord, Generic, Show)
 
 -- | An atom text construct.
 data AtomText = AtomPlainText TextType Text
@@ -70,7 +70,6 @@
 deriving instance Eq AtomText
 deriving instance Ord AtomText
 deriving instance Generic AtomText
-deriving instance Read AtomText
 deriving instance Show AtomText
 
 -- | An atom person construct.
@@ -83,7 +82,6 @@
 deriving instance Eq AtomPerson
 deriving instance Ord AtomPerson
 deriving instance Generic AtomPerson
--- deriving instance Read AtomPerson
 deriving instance Show AtomPerson
 
 -- | The @atom:category@ element.
@@ -96,7 +94,6 @@
 deriving instance Eq AtomCategory
 deriving instance Ord AtomCategory
 deriving instance Generic AtomCategory
-deriving instance Read AtomCategory
 deriving instance Show AtomCategory
 
 -- | The @atom:link@ element.
@@ -112,7 +109,6 @@
 deriving instance Eq AtomLink
 deriving instance Ord AtomLink
 deriving instance Generic AtomLink
--- deriving instance Read AtomLink
 deriving instance Show AtomLink
 
 -- | The @atom:generator@ element.
@@ -125,7 +121,6 @@
 deriving instance Eq AtomGenerator
 deriving instance Ord AtomGenerator
 deriving instance Generic AtomGenerator
--- deriving instance Read AtomGenerator
 deriving instance Show AtomGenerator
 
 -- | The @atom:source@ element.
@@ -147,7 +142,6 @@
 deriving instance Eq AtomSource
 deriving instance Ord AtomSource
 deriving instance Generic AtomSource
--- deriving instance Read AtomSource
 deriving instance Show AtomSource
 
 type Type = Text
@@ -161,7 +155,6 @@
 deriving instance Eq AtomContent
 deriving instance Ord AtomContent
 deriving instance Generic AtomContent
--- deriving instance Read AtomContent
 deriving instance Show AtomContent
 
 -- | The @atom:entry@ element.
@@ -183,7 +176,6 @@
 deriving instance Eq AtomEntry
 deriving instance Ord AtomEntry
 deriving instance Generic AtomEntry
--- deriving instance Read AtomEntry
 deriving instance Show AtomEntry
 
 -- | The @atom:feed@ element.
@@ -206,5 +198,4 @@
 deriving instance Eq AtomFeed
 deriving instance Ord AtomFeed
 deriving instance Generic AtomFeed
--- deriving instance Read AtomFeed
 deriving instance Show AtomFeed
diff --git a/atom-conduit.cabal b/atom-conduit.cabal
--- a/atom-conduit.cabal
+++ b/atom-conduit.cabal
@@ -1,13 +1,12 @@
 name: atom-conduit
-version: 0.5.0.2
+version: 0.5.0.3
 cabal-version: >=1.10
 build-type: Simple
 license: PublicDomain
 license-file: LICENSE
 maintainer: koral
 synopsis: Streaming parser/renderer for the Atom 1.0 standard (RFC 4287).
-description:
-    Please refer to README.
+description: Cf README.
 category: XML, Conduit
 author: koral
 extra-source-files:
diff --git a/test/Main.hs b/test/Main.hs
--- a/test/Main.hs
+++ b/test/Main.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE ExplicitForAll    #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE OverloadedStrings #-}
 import           Blaze.ByteString.Builder     (toByteString)
@@ -215,7 +214,7 @@
 
 instance Arbitrary AtomGenerator where
   arbitrary = do
-    Just content <- fromNullable . pack <$> listOf1 alphaNum
+    ~(Just content) <- fromNullable . pack <$> listOf1 alphaNum
     AtomGenerator <$> arbitrary <*> arbitrary <*> pure content
   shrink = genericShrink