diff --git a/doc/manual/generate-manpage.nix b/doc/manual/generate-manpage.nix
index 82aae8b46..2428ee1b3 100644
--- a/doc/manual/generate-manpage.nix
+++ b/doc/manual/generate-manpage.nix
@@ -91,9 +91,6 @@ let
       })
       (attrNames def.commands or {});
 
-in
-
-let
   manpages = processCommand { filename = "nix"; command = "nix"; def = builtins.fromJSON command; };
   summary = concatStrings (map (manpage: "    - [${manpage.command}](command-ref/new-cli/${manpage.name})\n") manpages);
 in