diff --git a/pkgs/development/haskell-modules/configuration-ghc-head.nix b/pkgs/development/haskell-modules/configuration-ghc-head.nix
index d4ff521273d..1e7450a6bd1 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-head.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-head.nix
@@ -35,7 +35,6 @@ self: super: {
   integer-gmp = null;
   libiserv = null;
   mtl = null;
-  parallel = null;
   parsec = null;
   pretty = null;
   process = null;