diff --git a/pkgs/development/libraries/haskell/happstack/happstack-util.nix b/pkgs/development/libraries/haskell/happstack/happstack-util.nix
deleted file mode 100644
index 8dfac311a9a5..000000000000
--- a/pkgs/development/libraries/haskell/happstack/happstack-util.nix
+++ /dev/null
@@ -1,23 +0,0 @@
-{ cabal, extensibleExceptions, filepath, hslogger, mtl, network
-, parsec, random, time, unixCompat
-}:
-
-cabal.mkDerivation (self: {
-  pname = "happstack-util";
-  version = "6.0.3";
-  sha256 = "0hqssd5wzir6rxn46q8r3hdp3nl7v5m7w322j39120xpg2bhiphh";
-  isLibrary = true;
-  isExecutable = true;
-  buildDepends = [
-    extensibleExceptions filepath hslogger mtl network parsec random
-    time unixCompat
-  ];
-  jailbreak = true;
-  meta = {
-    homepage = "http://happstack.com";
-    description = "Web framework";
-    license = self.stdenv.lib.licenses.bsd3;
-    platforms = self.ghc.meta.platforms;
-    maintainers = [ self.stdenv.lib.maintainers.andres ];
-  };
-})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 252bef7d6d84..01c185cff12b 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1071,8 +1071,6 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   hamlet = callPackage ../development/libraries/haskell/hamlet {};
 
-  happstackUtil = callPackage ../development/libraries/haskell/happstack/happstack-util.nix {};
-
   happstackServer = callPackage ../development/libraries/haskell/happstack/happstack-server.nix {};
 
   happstackHamlet = callPackage ../development/libraries/haskell/happstack/happstack-hamlet.nix {};
diff --git a/pkgs/top-level/release-haskell.nix b/pkgs/top-level/release-haskell.nix
index 9a3bae89f9ca..1bf2127a86d7 100644
--- a/pkgs/top-level/release-haskell.nix
+++ b/pkgs/top-level/release-haskell.nix
@@ -183,7 +183,6 @@ mapHaskellTestOn {
   hamlet = default;
   happstackHamlet = default;
   happstackServer = default;
-  happstackUtil = default;
   happy = all;
   hashable = default;
   hashedStorage = default;