diff --git a/default.nix b/default.nix
index e6039e9..24f4558 100644
--- a/default.nix
+++ b/default.nix
@@ -240,7 +240,11 @@ let
                 inherit url;
                 rev = pin;
                 allRefs = true;
-                submodules = !(p.recipe.nonrecursive or false);
+                # Skip submodules by default because they seem to be hitting
+                # https://github.com/NixOS/nix/issues/10773 (or a similar caching issue) and for
+                # parity between fetchTree's github fetcher and fetchGit (Github's exports don't
+                # seem to contain submodules).
+                submodules = !(p.recipe.nonrecursive or true);
                 # TODO: pull ref from derivation.src when not pulling it from p.recipe?
                 # Note Doom does have packages with pin + branch (or nonrecursive) set,
                 # expecting to inherit the rest of the recipe from Straight.