diff --git a/pkgs/development/haskell-modules/replacements-by-name/cabal-pkg-config-version-hook.nix b/pkgs/development/haskell-modules/replacements-by-name/cabal-pkg-config-version-hook.nix
deleted file mode 100644
index 0381063b1689..000000000000
--- a/pkgs/development/haskell-modules/replacements-by-name/cabal-pkg-config-version-hook.nix
+++ /dev/null
@@ -1,24 +0,0 @@
-{
-  mkDerivation,
-  base,
-  Cabal,
-  containers,
-  lens,
-  lib,
-  process,
-}:
-mkDerivation {
-  pname = "cabal-pkg-config-version-hook";
-  version = "0.1.1.0";
-  sha256 = "18l87dcq2854vqchg21bvv85sdm4126nbk8sj9ilr5819qslk26f";
-  libraryHaskellDepends = [
-    base
-    Cabal
-    containers
-    lens
-    process
-  ];
-  homepage = "https://github.com/hercules-ci/hercules-ci-agent/tree/master/cabal-pkg-config-version-hook#readme";
-  description = "Make Cabal aware of pkg-config package versions";
-  license = lib.licensesSpdx."BSD-3-Clause";
-}