diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix
index 095b6ee4f1b..78c3823a0f9 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix
@@ -60,12 +60,6 @@ self: super: {
     sha256 = "026vv2k3ks73jngwifszv8l59clg88pcdr4mz0wr0gamivkfa1zy";
   });
 
-  # https://github.com/christian-marie/xxhash/issues/3
-  xxhash = doJailbreak super.xxhash;
-
-  # https://github.com/Deewiant/glob/issues/8
-  Glob = doJailbreak super.Glob;
-
   ## GHC 8.0.2
 
   # http://hub.darcs.net/dolio/vector-algorithms/issue/9#comment-20170112T145715