diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix
index b405baa37a1..67f69a063f1 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix
@@ -142,4 +142,7 @@ self: super: {
   # Needs additional inputs on pre 7.10.x compilers.
   semigroups = addBuildDepends super.semigroups (with self; [nats tagged unordered-containers]);
 
+  # Haddock doesn't cope with the new markup.
+  bifunctors = dontHaddock super.bifunctors;
+
 }