diff --git a/pkgs/development/haskell-modules/configuration-nix.nix b/pkgs/development/haskell-modules/configuration-nix.nix
index 22e081354599..bdb1a8dda491 100644
--- a/pkgs/development/haskell-modules/configuration-nix.nix
+++ b/pkgs/development/haskell-modules/configuration-nix.nix
@@ -94,8 +94,6 @@ self: super: builtins.intersectAttrs super {
   # Won't find it's header files without help.
   sfml-audio = appendConfigureFlag super.sfml-audio "--extra-include-dirs=${pkgs.openal}/include/AL";
 
-  hercules-ci-agent = disableLibraryProfiling super.hercules-ci-agent;
-
   # avoid compiling twice by providing executable as a separate output (with small closure size)
   niv = enableSeparateBinOutput super.niv;
   ormolu = enableSeparateBinOutput super.ormolu;