diff --git a/integration-tests/nixpkgs-stable.nix b/integration-tests/nixpkgs-stable.nix
index 26c9fb0..da06033 100644
--- a/integration-tests/nixpkgs-stable.nix
+++ b/integration-tests/nixpkgs-stable.nix
@@ -3,12 +3,5 @@ let
 in import flake.inputs.stable.outPath {
   overlays = [
     flake.overlay
-
-    # Our nix-eval-jobs patch cannot be applied to 0.0.1
-    (final: prev: {
-      colmena = prev.colmena.override {
-        nix-eval-jobs = null;
-      };
-    })
   ];
 }
diff --git a/package.nix b/package.nix
index 0dba9a0..1be53cf 100644
--- a/package.nix
+++ b/package.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, rustPlatform, installShellFiles, nix-eval-jobs ? null }:
+{ lib, stdenv, rustPlatform, installShellFiles, nix-eval-jobs }:
 
 rustPlatform.buildRustPackage rec {
   pname = "colmena";
@@ -13,9 +13,9 @@ rustPlatform.buildRustPackage rec {
 
   nativeBuildInputs = [ installShellFiles ];
 
-  propagatedBuildInputs = lib.optional (nix-eval-jobs != null) nix-eval-jobs;
+  buildInputs = [ nix-eval-jobs ];
 
-  NIX_EVAL_JOBS = lib.optionalString (nix-eval-jobs != null) "${nix-eval-jobs}/bin/nix-eval-jobs";
+  NIX_EVAL_JOBS = "${nix-eval-jobs}/bin/nix-eval-jobs";
 
   preBuild = ''
     if [[ -z "$NIX_EVAL_JOBS" ]]; then