diff --git a/hack2-interface-wai.cabal b/hack2-interface-wai.cabal
--- a/hack2-interface-wai.cabal
+++ b/hack2-interface-wai.cabal
@@ -1,5 +1,5 @@
 Name:                 hack2-interface-wai
-Version:              2012.5.24
+Version:              2012.5.25
 Build-type:           Simple
 Synopsis:             Hack2 interface of WAI
 Description:          Hack2 interface of WAI
@@ -23,9 +23,7 @@
                     , hack2 >= 2011.6.20
                     , containers
                     , mtl
-                    , enumerator
                     , wai
-                    , blaze-builder
                     , http-types
                     , case-insensitive
                     , air
diff --git a/src/Hack2/Interface/Wai.hs b/src/Hack2/Interface/Wai.hs
--- a/src/Hack2/Interface/Wai.hs
+++ b/src/Hack2/Interface/Wai.hs
@@ -20,10 +20,6 @@
 import qualified Data.ByteString.Char8 as B
 import qualified Data.ByteString.Lazy.Char8 as Lazy
 
-import Data.Enumerator (Enumerator, Iteratee (..), ($$), joinI, run_, Enumeratee, Step, (=$))
-import qualified Data.Enumerator.List as EL
-import Blaze.ByteString.Builder (Builder, fromByteString, fromLazyByteString)
-
 import qualified Safe as Safe
 
 {-