diff --git a/meat.nu b/meat.nu
index 0fc1af9..d5aa4f8 100644
--- a/meat.nu
+++ b/meat.nu
@@ -48,11 +48,6 @@ def nix-build-nom [out: string, source: string, attr: string, extras: list<strin
   } else {
     ^nix-build --log-format internal-json --out-link $out $source -A $attr ...$extras out+err>| ^$env.MONITOR --json
   }
-  # Piping to MONITOR masks nix-build's exit code, so detect failure by the
-  # absence of the out-link.
-  if not ($out | path exists) {
-    error make { msg: "nix-build produced no output" }
-  }
 }
 
 def differ-step [build: string] {