diff --git a/config/default.nix b/config/default.nix
index 438b145d..35d8e214 100644
--- a/config/default.nix
+++ b/config/default.nix
@@ -49,7 +49,7 @@ lib.mkMerge [
 
     nix = {
       settings = {
-        builders-use-substitutes = true;
+        builders-use-substitutes = true; # TODO: move
         connect-timeout = 20;
         experimental-features = "nix-command flakes";
         fallback = true;