diff --git a/apps/assets/api/domain.py b/apps/assets/api/domain.py
index 948bb6a7b..954f4842c 100644
--- a/apps/assets/api/domain.py
+++ b/apps/assets/api/domain.py
@@ -1,5 +1,4 @@
 # ~*~ coding: utf-8 ~*~
-from django.db.models import F
 from django.views.generic.detail import SingleObjectMixin
 from django.utils.translation import ugettext as _
 from rest_framework.views import APIView, Response
@@ -7,7 +6,7 @@ from rest_framework.serializers import ValidationError
 
 from common.utils import get_logger
 from orgs.mixins.api import OrgBulkModelViewSet
-from ..models import Domain, Host
+from ..models import Domain, Gateway
 from .. import serializers
 
 logger = get_logger(__file__)
@@ -29,7 +28,7 @@ class DomainViewSet(OrgBulkModelViewSet):
 
 
 class GatewayViewSet(OrgBulkModelViewSet):
-    perm_model = Host
+    perm_model = Gateway
     filterset_fields = ("domain__name", "name", "domain")
     search_fields = ("domain__name",)
     serializer_class = serializers.GatewaySerializer
diff --git a/apps/assets/serializers/domain.py b/apps/assets/serializers/domain.py
index f17aa19ee..8ee651e88 100644
--- a/apps/assets/serializers/domain.py
+++ b/apps/assets/serializers/domain.py
@@ -1,16 +1,13 @@
 # -*- coding: utf-8 -*-
 #
 from rest_framework import serializers
-from rest_framework.generics import get_object_or_404
 from django.utils.translation import ugettext_lazy as _
 
 from orgs.mixins.serializers import BulkOrgResourceModelSerializer
-from common.drf.serializers import SecretReadableMixin, WritableNestedModelSerializer
-from common.drf.fields import ObjectRelatedField, EncryptedField
-from assets.const import SecretType, GATEWAY_NAME
-from ..serializers import AssetProtocolsSerializer
-from ..models import Platform, Domain, Node, Asset, Account, Host
-from .utils import validate_password_for_ansible, validate_ssh_key
+from common.drf.serializers import SecretReadableMixin
+from common.drf.fields import ObjectRelatedField
+from ..serializers import HostSerializer
+from ..models import Domain, Gateway, Asset
 
 
 class DomainSerializer(BulkOrgResourceModelSerializer):
@@ -41,100 +38,9 @@ class DomainSerializer(BulkOrgResourceModelSerializer):
         return obj.gateways.count()
 
 
-class GatewaySerializer(BulkOrgResourceModelSerializer, WritableNestedModelSerializer):
-    password = EncryptedField(
-        label=_('Password'), required=False, allow_blank=True, allow_null=True, max_length=1024,
-        validators=[validate_password_for_ansible], write_only=True
-    )
-    private_key = EncryptedField(
-        label=_('SSH private key'), required=False, allow_blank=True, allow_null=True,
-        max_length=16384, write_only=True
-    )
-    passphrase = serializers.CharField(
-        label=_('Key password'), allow_blank=True, allow_null=True, required=False, write_only=True,
-        max_length=512,
-    )
-    username = serializers.CharField(
-        label=_('Username'), allow_blank=True, max_length=128, required=True, write_only=True
-    )
-    username_display = serializers.SerializerMethodField(label=_('Username'))
-    protocols = AssetProtocolsSerializer(many=True, required=False, label=_('Protocols'))
-
-    class Meta:
-        model = Host
-        fields_mini = ['id', 'name', 'address']
-        fields_small = fields_mini + ['is_active', 'comment']
-        fields = fields_small + ['domain', 'protocols'] + [
-            'username', 'password', 'private_key', 'passphrase', 'username_display'
-        ]
-        extra_kwargs = {
-            'name': {'label': _("Name")},
-            'address': {'label': _('Address')},
-        }
-
-    @staticmethod
-    def get_username_display(obj):
-        account = obj.accounts.order_by('-privileged').first()
-        return account.username if account else ''
-
-    def validate_private_key(self, secret):
-        if not secret:
-            return
-        passphrase = self.initial_data.get('passphrase')
-        passphrase = passphrase if passphrase else None
-        validate_ssh_key(secret, passphrase)
-        return secret
-
-    @staticmethod
-    def clean_auth_fields(validated_data):
-        username = validated_data.pop('username', None)
-        password = validated_data.pop('password', None)
-        private_key = validated_data.pop('private_key', None)
-        validated_data.pop('passphrase', None)
-        return username, password, private_key
-
-    @staticmethod
-    def create_accounts(instance, username, password, private_key):
-        account_name = f'{instance.name}-{_("Gateway")}'
-        account_data = {
-            'privileged': True,
-            'name': account_name,
-            'username': username,
-            'asset_id': instance.id,
-            'created_by': instance.created_by
-        }
-        if password:
-            Account.objects.create(
-                **account_data, secret=password, secret_type=SecretType.PASSWORD
-            )
-        if private_key:
-            Account.objects.create(
-                **account_data, secret=private_key, secret_type=SecretType.SSH_KEY
-            )
-
-    @staticmethod
-    def update_accounts(instance, username, password, private_key):
-        accounts = instance.accounts.filter(username=username)
-        if password:
-            account = get_object_or_404(accounts, SecretType.PASSWORD)
-            account.secret = password
-            account.save()
-        if private_key:
-            account = get_object_or_404(accounts, SecretType.SSH_KEY)
-            account.secret = private_key
-            account.save()
-
-    def create(self, validated_data):
-        auth_fields = self.clean_auth_fields(validated_data)
-        instance = super().create(validated_data)
-        self.create_accounts(instance, *auth_fields)
-        return instance
-
-    def update(self, instance, validated_data):
-        auth_fields = self.clean_auth_fields(validated_data)
-        instance = super().update(instance, validated_data)
-        self.update_accounts(instance, *auth_fields)
-        return instance
+class GatewaySerializer(HostSerializer):
+    class Meta(HostSerializer.Meta):
+        model = Gateway
 
 
 class GatewayWithAuthSerializer(SecretReadableMixin, GatewaySerializer):