diff --git a/flake.nix b/flake.nix
index ba9234f8..0cc90b2b 100755
--- a/flake.nix
+++ b/flake.nix
@@ -154,7 +154,19 @@
       ];};
     in
     rec {
-      inherit
+      inherit # all let vars should be added here. \/ \/
+# let self = builtins.trace self.outPath { } // { outPath = ./.; }; in self #https://github.com/NixOS/nix/issues/8300#issuecomment-1537501849
+#         self
+# .\#self.inputs
+# .\#self.lastModifiedDate
+# .\#self.outPath
+# .\#self.packages
+# .\#self.sourceInfo
+# .\#self.lastModified
+# .\#self.narHash
+# .\#self.outputs
+# .\#self.self
+# .\#self._type
         stateVersion
         system
         supportedSystems
@@ -162,8 +174,9 @@
         forEachSystem
         pkgsFor
         overlays
-        ; # all let vars should be added here.
+        ; # /\ all let vars should be added here. /\ /\
       nixosConfigurations = (import ./hosts) { inherit inputs; outputs = self.outputs; };
+# TODO: rootPath = ./.; # self.outPath # builtins.path
 #       nixosModules = import ./modules/nixos;
 #       homeManagerModules = import ./modules/home-manager;
 #       overlays = import ./overlays {inherit inputs outputs;};
@@ -232,6 +245,7 @@
     ];
     use-xdg-base-directories = true;
     builders-use-substitutes = true;
+#     trusted-users = [ "root" "@wheel" ];
     trusted-users = [ "root" ];
     substituters = [
       "https://cache.nixos.org"
diff --git a/hosts/nixos/default.nix b/hosts/nixos/default.nix
index f3796315..261b2caa 100644
--- a/hosts/nixos/default.nix
+++ b/hosts/nixos/default.nix
@@ -2,7 +2,6 @@
 {
   nixos = outputs.lib.nixosSystem {
     modules = (import ./modules) { inherit inputs outputs; };
-    #overlays = overlays;
     specialArgs = { inherit inputs outputs; };
   };
 }
diff --git a/hosts/nixos/modules/default.nix b/hosts/nixos/modules/default.nix
index d8dd94a3..8b3a2395 100644
--- a/hosts/nixos/modules/default.nix
+++ b/hosts/nixos/modules/default.nix
@@ -39,14 +39,7 @@ let
       #nix-topology.nixosModules.default
       {
         nixpkgs = {
-
-          overlays = [
-            #        zig-overlay.overlays.default
-            #alejandra.overlay
-            #nix-software-center.overlay
-            inputs.vim.overlay.x86_64-linux # .${system}
-            #nix-topology.overlays.default
-          ]; # overlays; # are overlays needed in home manager? document which/why?
+            overlays = outputs.overlays.${outputs.system};
 
           config = {
             #allowUnfree = true;