diff --git a/devenv/src/flake.tmpl.nix b/devenv/src/flake.tmpl.nix
index 3da44bc29..cba4effd7 100644
--- a/devenv/src/flake.tmpl.nix
+++ b/devenv/src/flake.tmpl.nix
@@ -88,6 +88,7 @@
 
           options = pkgs.nixosOptionsDoc {
             options = builtins.removeAttrs project.options [ "_module" ];
+            warningsAreErrors = false;
             # Unpack Nix types, e.g. literalExpression, mDoc.
             transformOptions =
               let isDocType = v: builtins.elem v [ "literalDocBook" "literalExpression" "literalMD" "mdDoc" ];
diff --git a/flake.nix b/flake.nix
index 881643c02..7df94906b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -66,9 +66,6 @@
             { name = url; url = url; };
           options = pkgs.nixosOptionsDoc {
             options = builtins.removeAttrs eval.options [ "_module" ];
-
-            warningsAreErrors = false;
-
             transformOptions = opt: (
               opt // { declarations = map rewriteSource opt.declarations; }
             );