diff --git a/modules/darwin/common/default.nix b/modules/darwin/common/default.nix
index 4420033..7cea047 100644
--- a/modules/darwin/common/default.nix
+++ b/modules/darwin/common/default.nix
@@ -56,10 +56,5 @@
     PasswordAuthentication no
   '';
 
-  # `time.timeZone` works but displays error message during activation
-  # https://github.com/LnL7/nix-darwin/issues/359
-  # https://github.com/LnL7/nix-darwin/blob/16c07487ac9bc59f58b121d13160c67befa3342e/modules/time/default.nix#L14
-  system.activationScripts.postActivation.text = ''
-    systemsetup -settimezone "GMT" >/dev/null 2>&1
-  '';
+  time.timeZone = "GMT";
 }