diff --git a/collects/setup/option-sig.rkt b/collects/setup/option-sig.rkt
index cad8bedaa7..00e9f426bd 100644
--- a/collects/setup/option-sig.rkt
+++ b/collects/setup/option-sig.rkt
@@ -21,7 +21,6 @@
      call-install
      call-post-install
      pause-on-errors
-     parallel-build
      parallel-workers
      force-unpacks
      doc-pdf-dest