diff --git a/lib/tests/modules/import-from-store.nix b/lib/tests/modules/import-from-store.nix
index 64e7ec2e388c..f5af22432ce1 100644
--- a/lib/tests/modules/import-from-store.nix
+++ b/lib/tests/modules/import-from-store.nix
@@ -1,17 +1,11 @@
 { lib, ... }:
-let
-  drv = derivation {
-    name = "derivation";
-    system = builtins.currentSystem;
-    builder = "/bin/sh";
-    args = [ "-c" "echo {} > $out" ];
-  };
-in {
+{
 
   imports = [
-    "${drv}"
+    "${builtins.toFile "drv" "{}"}"
     ./declare-enable.nix
     ./define-enable.nix
   ];
 
 }
+