diff --git a/modules/zone/back/methods/zone/deleteZone.js b/modules/zone/back/methods/zone/deleteZone.js
index a75302703d..a1bc1d4864 100644
--- a/modules/zone/back/methods/zone/deleteZone.js
+++ b/modules/zone/back/methods/zone/deleteZone.js
@@ -6,16 +6,16 @@ module.exports = Self => {
             arg: 'id',
             type: 'number',
             description: 'The zone id',
-            http: {source: 'path'}
+            http: {source: 'path'},
         },
         returns: {
             type: 'object',
-            root: true
+            root: true,
         },
         http: {
             path: `/:id/deleteZone`,
-            verb: 'POST'
-        }
+            verb: 'POST',
+        },
     });
 
     Self.deleteZone = async(ctx, id, options) => {
@@ -28,8 +28,7 @@ module.exports = Self => {
         let tx;
         const myOptions = {userId};
 
-        if (typeof options == 'object')
-            Object.assign(myOptions, options);
+        if (typeof options == 'object') Object.assign(myOptions, options);
 
         if (!myOptions.transaction) {
             tx = await Self.beginTransaction({});
@@ -38,40 +37,55 @@ module.exports = Self => {
 
         try {
             const filter = {
-                where: {
-                    zoneFk: id,
-                    shipped: {gte: today}
-                },
+                where: {zoneFk: id, shipped: {gte: today}},
                 include: {
                     relation: 'ticketState',
                     scope: {
-                        fields: ['id', 'alertLevel', 'code']
-                    }
-                }
+                        fields: ['id', 'alertLevel', 'code'],
+                    },
+                },
             };
+            console.time('finds');
+            const [ticketList, fixingState, worker] = await Promise.all([
+                models.Ticket.find(filter, myOptions),
+                models.State.findOne({where: {code: 'FIXING'}}, myOptions),
+                models.Worker.findOne({where: {id: userId}}, myOptions)
+            ]);
+            console.timeEnd('finds');
+
+            console.time('ticket update');
+            console.log('ticketList: ', ticketList.length);
+            // await models.Ticket.rawSql(
+            //     'UPDATE ticket SET zoneFk = NULL WHERE zoneFk = ? LIMIT 2000',
+            //     [id],
+            //     myOptions
+            // );
             const promises = [];
+            // OFFSET no li mola a mariadb
+            for (let i = 0; i <= 30000; i += 2000) {
+                promises.push(models.Ticket.rawSql(
+                    `UPDATE ticket SET zoneFk = NULL WHERE zoneFk = ? LIMIT 2000 OFFSET ${i};`,
+                    [id],
+                    myOptions
+                ));
+            }
+            await Promise.all(promises);
+            console.timeEnd('ticket update');
+            /*
 
-            const ticketList = await models.Ticket.find(filter, myOptions);
-            const fixingState = await models.State.findOne({where: {code: 'FIXING'}}, myOptions);
-            const worker = await models.Worker.findOne({
-                where: {id: userId}
-            }, myOptions);
-
-            await models.Ticket.rawSql('UPDATE ticket SET zoneFk = NULL WHERE zoneFk = ?', [id], myOptions);
-
-            for (ticket of ticketList) {
-                if (ticket.ticketState().alertLevel == 0) {
-                    promises.push(models.Ticket.state(ctx, {
+            const updatePromises = ticketList.map(ticket => {
+                if (ticket.ticketState().alertLevel === 0) {
+                    return models.Ticket.state(ctx, {
                         ticketFk: ticket.id,
                         stateFk: fixingState.id,
                         userFk: worker.id
-                    }, myOptions));
+                    }, myOptions);
                 }
-            }
-            await Promise.all(promises);
+            });
+            await Promise.all(updatePromises);
             await models.Zone.destroyById(id, myOptions);
-
-            if (tx) await tx.commit();
+            */
+            if (tx) await tx.rollback();
 
             return id;
         } catch (err) {