--- a/bz2.cabal
+++ b/bz2.cabal
@@ -80,7 +80,7 @@ test-suite bz2-test
     main-is:          Spec.hs
     hs-source-dirs:   test
     default-language: Haskell2010
-    ghc-options:      -threaded -rtsopts "-with-rtsopts=-N -K1K" -Wall
+    ghc-options:      -threaded -rtsopts "-with-rtsopts=-K1K" -Wall
     build-depends:
         base >=4.8,
         bz2 -any,
