diff --git a/names-th.cabal b/names-th.cabal
--- a/names-th.cabal
+++ b/names-th.cabal
@@ -1,5 +1,5 @@
 name:                names-th
-version:             0.2.0.0
+version:             0.2.0.1
 synopsis:            Manipulate name strings for TH
 description:         This package includes functions to manipulate name string
                      and extra library functions for Template Haskell.
diff --git a/src/Language/Haskell/TH/Lib/Extra.hs b/src/Language/Haskell/TH/Lib/Extra.hs
--- a/src/Language/Haskell/TH/Lib/Extra.hs
+++ b/src/Language/Haskell/TH/Lib/Extra.hs
@@ -23,11 +23,8 @@
   reportWarning, reportError,
   ) where
 
-import System.IO (hPutStrLn, stderr)
-import System.Environment (getEnvironment)
-
 import Language.Haskell.TH
-  (Ppr, ppr, Q, runQ, runIO,
+  (Ppr, ppr, Q, runQ,
    Name, Dec, sigD, valD, TypeQ, varP, normalB,
    ExpQ, litE, integerL)
 import Language.Haskell.TH.PprLib (Doc)