diff --git a/config/default.nix b/config/default.nix
index 26260482..c32c9b4f 100644
--- a/config/default.nix
+++ b/config/default.nix
@@ -221,15 +221,7 @@
     # Do not break the boot
     enableEmergencyMode = false;
 
-    services = {
-      nix-daemon.serviceConfig.KillMode = "control-group";
-
-      postgresql = lib.mkIf config.services.postgresql.enable {
-        # default is 1024 which was not enough for mastodon and leading to errors like the following which crash postgresql:
-        # could not close file "./global/176529": Too many open files
-        serviceConfig.LimitNOFile = 1024*32;
-      };
-    };
+    services.nix-daemon.serviceConfig.KillMode = "control-group";
 
     # Reboot on hang
     watchdog = lib.mkIf (!config.boot.isContainer) {
diff --git a/modules/backup.nix b/modules/backup.nix
index d3239551..a47c65d0 100644
--- a/modules/backup.nix
+++ b/modules/backup.nix
@@ -110,14 +110,8 @@ in
 
     systemd = {
       services = {
-        restic-backups-server8.serviceConfig = {
-          Environment = "RESTIC_PROGRESS_FPS=0.016666";
-          LimitNOFile = 1024*32;
-        };
-        restic-backups-offsite.serviceConfig = {
-          Environment = "RESTIC_PROGRESS_FPS=0.016666";
-          LimitNOFile = 1024*32;
-        };
+        restic-backups-server8.serviceConfig.Environment = "RESTIC_PROGRESS_FPS=0.016666";
+        restic-backups-offsite.serviceConfig.Environment = "RESTIC_PROGRESS_FPS=0.016666";
       };
       timers = lib.mkIf config.services.postgresqlBackup.enable {
         postgresqlBackup.timerConfig.RandomizedDelaySec = "5m";