diff --git a/nixos/modules/services/misc/ihaskell.nix b/nixos/modules/services/misc/ihaskell.nix
index d0e9b839e754..df7b9be0db50 100644
--- a/nixos/modules/services/misc/ihaskell.nix
+++ b/nixos/modules/services/misc/ihaskell.nix
@@ -20,18 +20,6 @@ in
         description = "Autostart an IHaskell notebook service.";
       };
 
-      haskellPackages = mkOption {
-        default = pkgs.haskellPackages;
-        defaultText = "pkgs.haskellPackages";
-        example = literalExample "pkgs.haskell.packages.ghc784";
-        description = ''
-          haskellPackages used to build IHaskell and other packages.
-          This can be used to change the GHC version used to build
-          IHaskell and the packages listed in
-          <varname>extraPackages</varname>.
-        '';
-      };
-
       extraPackages = mkOption {
         default = self: [];
         example = literalExample ''