diff --git a/pkgs/top-level/release-haskell.nix b/pkgs/top-level/release-haskell.nix
index 2cf902702654..5a16c97f7c50 100644
--- a/pkgs/top-level/release-haskell.nix
+++ b/pkgs/top-level/release-haskell.nix
@@ -331,7 +331,6 @@ let
         nvfetcher
         ormolu
         pandoc
-        pakcs
         petrinizer
         place-cursor-at
         pinboard-notes-backup