diff --git a/abonapp/models.py b/abonapp/models.py
index ecf24f4..7878895 100644
--- a/abonapp/models.py
+++ b/abonapp/models.py
@@ -1,7 +1,6 @@
 from datetime import datetime
 from typing import Optional
 
-from abonapp.tasks import user_remove_from_gw, user_add_to_gw, user_nas_sync
 from accounts_app.models import UserProfile, MyUserManager, BaseAccount
 from bitfield import BitField
 from django.conf import settings
@@ -318,7 +317,16 @@ class Abon(BaseAccount):
         """
         if self.nas is None:
             raise LogicError(_('gateway required'))
-        user_nas_sync.delay(self.pk)
+        try:
+            agent_abon = self.build_agent_struct()
+            if agent_abon is not None:
+                mngr = self.nas.get_nas_manager()
+                mngr.update_user(agent_abon)
+        except (NasFailedResult, NasNetworkError, ConnectionResetError) as e:
+            print('ERROR:', e)
+            return e
+        except LogicError:
+            pass
 
     def nas_add_self(self):
         """
@@ -327,7 +335,16 @@ class Abon(BaseAccount):
         """
         if self.nas is None:
             raise LogicError(_('gateway required'))
-        user_add_to_gw.delay(self.pk)
+        try:
+            agent_abon = self.build_agent_struct()
+            if agent_abon is not None:
+                mngr = self.nas.get_nas_manager()
+                mngr.add_user(agent_abon)
+        except (NasFailedResult, NasNetworkError, ConnectionResetError) as e:
+            print('ERROR:', e)
+            return e
+        except LogicError:
+            pass
 
     def nas_remove_self(self):
         """
@@ -336,7 +353,16 @@ class Abon(BaseAccount):
         """
         if self.nas is None:
             raise LogicError(_('gateway required'))
-        user_remove_from_gw.delay(self.pk)
+        try:
+            agent_abon = self.build_agent_struct()
+            if agent_abon is not None:
+                mngr = self.nas.get_nas_manager()
+                mngr.remove_user(agent_abon)
+        except (NasFailedResult, NasNetworkError, ConnectionResetError) as e:
+            print('ERROR:', e)
+            return e
+        except LogicError:
+            pass
 
     def get_absolute_url(self):
         return resolve_url('abonapp:abon_home', self.group.id, self.username)
diff --git a/abonapp/tasks.py b/abonapp/tasks.py
deleted file mode 100644
index 08be9ab..0000000
--- a/abonapp/tasks.py
+++ /dev/null
@@ -1,46 +0,0 @@
-from celery import shared_task
-from abonapp.models import Abon
-from djing.lib import LogicError
-from gw_app.nas_managers import NasFailedResult, NasNetworkError
-
-
-@shared_task
-def user_remove_from_gw(user_id: int):
-    try:
-        user = Abon.objects.get(pk=user_id)
-        agent_abon = user.build_agent_struct()
-        if agent_abon is not None:
-            mngr = user.nas.get_nas_manager()
-            mngr.remove_user(agent_abon)
-    except (
-            Abon.DoesNotExist, NasFailedResult,
-            NasNetworkError, ConnectionResetError, LogicError
-    ):
-        pass
-
-
-@shared_task
-def user_add_to_gw(user_id: int):
-    try:
-        user = Abon.objects.get(pk=user_id)
-        agent_abon = user.build_agent_struct()
-        if agent_abon is not None:
-            mngr = user.nas.get_nas_manager()
-            mngr.add_user(agent_abon)
-    except (
-            Abon.DoesNotExist, NasFailedResult,
-            NasNetworkError, ConnectionResetError, LogicError
-    ):
-        pass
-
-
-@shared_task
-def user_nas_sync(user_id: int):
-    try:
-        user = Abon.objects.get(pk=user_id)
-        agent_abon = user.build_agent_struct()
-        if agent_abon is not None:
-            mngr = user.nas.get_nas_manager()
-            mngr.update_user(agent_abon)
-    except (NasFailedResult, NasNetworkError, ConnectionResetError, LogicError) as e:
-        return 'ERROR:%s' % e