diff --git a/xos/helloworldservice/models.py b/xos/helloworldservice/models.py
index ed09e50..bc94e07 100644
--- a/xos/helloworldservice/models.py
+++ b/xos/helloworldservice/models.py
@@ -3,28 +3,32 @@
 
 HELLO_WORLD_KIND = "helloworldservice"
 
+
 class HelloWorldService(Service):
     KIND = HELLO_WORLD_KIND
 
     class Meta:
-	proxy = True
-	app_label = "helloworldservice"
-	verbose_name = "Hello World Service"
+        proxy = True
+        app_label = "helloworldservice"
+        verbose_name = "Hello World Service"
+
 
 class HelloWorldTenant(TenantWithContainer):
+
     class Meta:
         proxy = True
 
     KIND = HELLO_WORLD_KIND
-    sync_attributes = ("private_ip", "private_mac",
-                       "nat_ip", "nat_mac",)
+    sync_attributes = ("nat_ip", "nat_mac",)
 
     default_attributes = {'display_message': 'Hello World!'}
+
     def __init__(self, *args, **kwargs):
-        helloworld_services = HelloWorldService.get_service_objects().all();
-    	if helloworld_services:
-                self._meta.get_field("provider_service").default = helloworld_services[0].id
-    	super(HelloWorldTenant, self).__init__(*args, **kwargs)
+        helloworld_services = HelloWorldService.get_service_objects().all()
+        if helloworld_services:
+            self._meta.get_field(
+                "provider_service").default = helloworld_services[0].id
+        super(HelloWorldTenant, self).__init__(*args, **kwargs)
 
     def save(self, *args, **kwargs):
         super(HelloWorldTenant, self).save(*args, **kwargs)
@@ -37,8 +41,8 @@
     @property
     def display_message(self):
         return self.get_attribute(
-		"display_message",
-		self.default_attributes['display_message'])
+            "display_message",
+            self.default_attributes['display_message'])
 
     @display_message.setter
     def display_message(self, value):
@@ -53,8 +57,6 @@
         for ns in self.instance.ports.all():
             if "nat" in ns.network.name.lower():
                 addresses["nat"] = (ns.ip, ns.mac)
-            elif "private" in ns.network.name.lower():
-                addresses["private"] = (ns.ip, ns.mac)
         return addresses
 
     @property
@@ -65,14 +67,6 @@
     def nat_mac(self):
         return self.addresses.get("nat", (None, None))[1]
 
-    @property
-    def private_ip(self):
-        return self.addresses.get("private", (None, None))[0]
-
-    @property
-    def private_mac(self):
-        return self.addresses.get("private", (None, None))[1]
-
 def model_policy_helloworld_tenant(pk):
     with transaction.atomic():
         tenant = HelloWorldTenant.objects.select_for_update().filter(pk=pk)