diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
index 853ef682dd29..d4b9f8459a28 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix
@@ -154,11 +154,6 @@ self: super: {
     sha256 = "1lwwvxyhxcmppdapbgpfhwi7xc2z78qir03xjrpzab79p2qyq7br";
   });
 
-  wl-pprint = overrideCabal super.wl-pprint (drv: {
-    postPatch = "sed -i '113iimport Prelude hiding ((<$>))' Text/PrettyPrint/Leijen.hs";
-    jailbreak = true;
-  });
-
   # https://github.com/kazu-yamamoto/unix-time/issues/30
   unix-time = dontCheck super.unix-time;