diff --git a/darwin/common.nix b/darwin/common.nix
index 8d44cae..9dce983 100644
--- a/darwin/common.nix
+++ b/darwin/common.nix
@@ -144,17 +144,17 @@ in
   # Auto upgrade nix package and the daemon service.
   services.nix-daemon.enable = true;
 
-  nix = {
-    configureBuildUsers = true;
-    distributedBuilds = true;
+  nix.channel.enable = lib.mkDefault false;
+  nix.configureBuildUsers = lib.mkDefault true;
+  nix.distributedBuilds = lib.mkDefault true;
 
-    gc = {
-      automatic = lib.mkDefault true;
-      options = lib.mkDefault "--delete-older-than 7d";
-    };
-    settings = {
-      experimental-features = "nix-command flakes";
-    };
+  nix.gc = {
+    automatic = lib.mkDefault true;
+    options = lib.mkDefault "--delete-older-than 7d";
+  };
+
+  nix.settings = {
+    experimental-features = lib.mkDefault "nix-command flakes";
   };
 
   homebrew = {