diff --git a/mains/ppTest.hs b/mains/ppTest.hs
deleted file mode 100644
--- a/mains/ppTest.hs
+++ /dev/null
@@ -1,29 +0,0 @@
-{-# LANGUAGE OverloadedStrings #-}
-
-import Control.Applicative
-import Text.LDAP.Parser
-import qualified Text.LDAP.Parser as Parser
-import Text.LDAP.Printer
-import qualified Text.LDAP.Printer as Printer
-import Data.Monoid ((<>))
-import qualified Data.ByteString.Lazy.Char8 as LB
-import Data.Either
-
-
-appendErr :: String -> Either String a -> Either String a
-appendErr s = either (Left . (++ (": " ++ s))) Right
-
-isoTest :: LB.ByteString -> Either String LB.ByteString
-isoTest b = do
-  let entParser = Parser.openLdapEntry Parser.ldifDecodeAttrValue
-  ent0 <- appendErr "parse0" $ runLdapParser entParser b
-  let out = runLdapPrinter (Printer.openLdapEntry Printer.ldifEncodeAttrValue) ent0
-  ent1 <- appendErr ("parse1: " ++ LB.unpack out) $ runLdapParser entParser out
-  if ent0 == ent1
-    then Right $ "Isomorphic: " <> out
-    else Left  $ "Not isomorphic: " ++ LB.unpack out
-
-main :: IO ()
-main =  do
-  bs <- map LB.unlines . openLdapDataBlocks . LB.lines <$> LB.getContents
-  mapM_ putStrLn . lefts . map isoTest $ bs
diff --git a/text-ldap.cabal b/text-ldap.cabal
--- a/text-ldap.cabal
+++ b/text-ldap.cabal
@@ -1,5 +1,5 @@
 name:                text-ldap
-version:             0.1.1.6
+version:             0.1.1.7
 synopsis:            Parser and Printer for LDAP text data stream
 description:         This package contains Parser and Printer for
                      LDAP text data stream like OpenLDAP backup LDIF.
@@ -7,10 +7,14 @@
 license-file:        LICENSE
 author:              Kei Hibino
 maintainer:          ex8k.hibino@gmail.com
-copyright:           Copyright (c) 2014 Kei Hibino
+copyright:           Copyright (c) 2014-2016 Kei Hibino
 category:            Text
 build-type:          Simple
 cabal-version:       >=1.8
+tested-with:           GHC == 7.4.1, GHC == 7.4.2
+                     , GHC == 7.6.1, GHC == 7.6.2, GHC == 7.6.3
+                     , GHC == 7.8.1, GHC == 7.8.2, GHC == 7.8.3, GHC == 7.8.4
+                     , GHC == 8.0.1
 
 library
   exposed-modules:
@@ -30,7 +34,7 @@
                        , base64-bytestring
   hs-source-dirs:        src
   ghc-options:         -Wall
-  ghc-prof-options:    -prof -fprof-auto
+  -- ghc-prof-options:    -prof -fprof-auto
 
 
 executable parseTest
@@ -40,16 +44,15 @@
                        , text-ldap
   hs-source-dirs:      mains
   ghc-options:         -Wall -rtsopts
-  ghc-prof-options:    -prof -fprof-auto
+  -- ghc-prof-options:    -prof -fprof-auto
 
-executable ppTest
-  main-is:             ppTest.hs
-  build-depends:         base <5
-                       , bytestring
-                       , text-ldap
-  hs-source-dirs:      mains
-  ghc-options:         -Wall -rtsopts
-  ghc-prof-options:    -prof -fprof-auto
+-- executable ppTest
+--   main-is:             ppTest.hs
+--   build-depends:         base <5
+--                        , bytestring
+--                        , text-ldap
+--   hs-source-dirs:      mains
+--   ghc-options:         -Wall -rtsopts
 
 Test-suite pp
   build-depends:         base <5