diff --git a/doc/manual/default.nix b/doc/manual/default.nix
index 3a5152eb..2ebd5144 100644
--- a/doc/manual/default.nix
+++ b/doc/manual/default.nix
@@ -194,9 +194,6 @@ in rec {
           "$out/share/doc/darwin"
     '';
 
-  # Temporary export for Markdown conversion.
-  inherit (optionsDoc) optionsDocBook;
-
   # Generate the NixOS manual.
   manualHTML = runCommand "darwin-manual-html"
     { inherit sources;