diff --git a/pkgs/development/libraries/haskell/free-operational/default.nix b/pkgs/development/libraries/haskell/free-operational/default.nix
deleted file mode 100644
index 80457756384..00000000000
--- a/pkgs/development/libraries/haskell/free-operational/default.nix
+++ /dev/null
@@ -1,18 +0,0 @@
-{ cabal, comonadTransformers, free, kanExtensions, mtl, comonad
-, transformers
-}:
-
-cabal.mkDerivation (self: {
-  pname = "free-operational";
-  version = "0.5.0.0";
-  sha256 = "0gim4m0l76sxxg6a8av1gl6qjpwxwdzyviij86d06v1150r08dmb";
-  jailbreak = true;             # needs an old version of kan-extensions
-  buildDepends = [
-    comonadTransformers free kanExtensions mtl transformers comonad
-  ];
-  meta = {
-    description = "Operational Applicative, Alternative, Monad and MonadPlus from free types";
-    license = self.stdenv.lib.licenses.bsd3;
-    platforms = self.ghc.meta.platforms;
-  };
-})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 08b7c875c90..4441a85b199 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -801,8 +801,6 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
 
   free = callPackage ../development/libraries/haskell/free {};
 
-  freeOperational = callPackage ../development/libraries/haskell/free-operational {};
-
   freeGame_1_0_5 = callPackage ../development/libraries/haskell/free-game/1.0.5.nix {
     boundingboxes = self.boundingboxes_0_1_1;
   };