--- io-streams-1.3.2.0/io-streams.cabal~	2015-08-05 06:25:51.000000000 +0900
+++ io-streams-1.3.2.0/io-streams.cabal	2015-09-29 17:45:42.208861421 +0900
@@ -120,7 +120,6 @@
   Build-depends:     base               >= 4     && <5,
                      attoparsec         >= 0.10  && <0.14,
                      bytestring         >= 0.9   && <0.11,
-                     bytestring-builder >= 0.10  && <0.11,
                      network            >= 2.3   && <2.7,
                      primitive          >= 0.2   && <0.7,
                      process            >= 1.1   && <1.3,
@@ -201,7 +200,6 @@
   Build-depends:     base               >= 4     && <5,
                      attoparsec         >= 0.10  && <0.14,
                      bytestring         >= 0.9   && <0.11,
-                     bytestring-builder >= 0.10  && <0.11,
                      deepseq            >= 1.2   && <1.5,
                      directory          >= 1.1   && <2,
                      filepath           >= 1.2   && <2,