diff --git a/machines/fischer/default.nix b/machines/fischer/default.nix
index 00855ba..ff47598 100644
--- a/machines/fischer/default.nix
+++ b/machines/fischer/default.nix
@@ -61,8 +61,6 @@
   networking.networkmanager.dns = "systemd-resolved";
   services.resolved.enable = true;
 
-  time.timeZone = "Europe/Paris";
-
   # Select internationalisation properties.
   i18n.defaultLocale = "en_US.UTF-8";
   console = {
diff --git a/machines/gustave/default.nix b/machines/gustave/default.nix
index 26a6267..adea956 100644
--- a/machines/gustave/default.nix
+++ b/machines/gustave/default.nix
@@ -88,9 +88,6 @@
     };
   };
 
-  # Set your time zone.
-  time.timeZone = "Europe/Paris";
-
   services.forgejo = {
     enable = true;
     package = pkgs.unstable.forgejo;
diff --git a/machines/tower/default.nix b/machines/tower/default.nix
index 818be9c..95910f5 100644
--- a/machines/tower/default.nix
+++ b/machines/tower/default.nix
@@ -39,8 +39,6 @@
 
   networking.useNetworkd = true;
 
-  time.timeZone = "Europe/Paris";
-
   luj.buildbot.enable = true;
   luj.nginx.enable = true;