diff --git a/modules/services/backup/mysql-backup.nix b/modules/services/backup/mysql-backup.nix
index ede9be1982d7..51c998a9b09f 100644
--- a/modules/services/backup/mysql-backup.nix
+++ b/modules/services/backup/mysql-backup.nix
@@ -52,10 +52,7 @@ in
 
   config = mkIf config.services.mysqlBackup.enable {
     services.cron = {
-      systemCronJobs = 
-        pkgs.lib.optional
-          config.services.mysqlBackup.enable
-          (concatStrings (map mysqlBackupCron config.services.mysqlBackup.databases));
+      systemCronJobs = map mysqlBackupCron config.services.mysqlBackup.databases;
     };
 
     system.activationScripts.mysqlBackup = pkgs.stringsWithDeps.noDepEntry ''
diff --git a/modules/services/backup/postgresql-backup.nix b/modules/services/backup/postgresql-backup.nix
index 82fcac893ef8..630b01efe0e0 100644
--- a/modules/services/backup/postgresql-backup.nix
+++ b/modules/services/backup/postgresql-backup.nix
@@ -53,10 +53,7 @@ in
 
   config = mkIf config.services.postgresqlBackup.enable {
     services.cron = {
-      systemCronJobs = 
-        pkgs.lib.optional
-          config.services.postgresqlBackup.enable
-          (concatStrings (map postgresqlBackupCron config.services.postgresqlBackup.databases));
+      systemCronJobs = map postgresqlBackupCron config.services.postgresqlBackup.databases;
     };
 
     system.activationScripts.postgresqlBackup = pkgs.stringsWithDeps.noDepEntry ''
diff --git a/modules/services/backup/sitecopy-backup.nix b/modules/services/backup/sitecopy-backup.nix
index 5122b93ac008..64fb546aad2e 100644
--- a/modules/services/backup/sitecopy-backup.nix
+++ b/modules/services/backup/sitecopy-backup.nix
@@ -63,7 +63,7 @@ in
     environment.systemPackages = [ sitecopy ];
 
     services.cron = {
-      systemCronJobs = concatStrings (map sitecopyCron config.services.sitecopy.backups);
+      systemCronJobs = map sitecopyCron config.services.sitecopy.backups;
     };