diff --git a/planetstack/ec2_observer/deleters/__init__.py b/planetstack/ec2_observer/deleters/__init__.py
old mode 100755
new mode 100644
diff --git a/planetstack/ec2_observer/deleters/site_deleter.py b/planetstack/ec2_observer/deleters/site_deleter.py
index b8ca6a1..88a4008 100644
--- a/planetstack/ec2_observer/deleters/site_deleter.py
+++ b/planetstack/ec2_observer/deleters/site_deleter.py
@@ -1,14 +1,14 @@
-from core.models import Site, SiteDeployments
+from core.models import Site, SiteDeployment
 from observer.deleter import Deleter
-from observer.deleters.site_deployment_deleter import SiteDeploymentsDeleter
+from observer.deleters.site_deployment_deleter import SiteDeploymentDeleter
 
 class SiteDeleter(Deleter):
     model='Site'
     
     def call(self, pk):
         site = Site.objects.get(pk=pk)
-        site_deployments = SiteDeployments.objects.filter(site=site)
-        site_deployment_deleter = SiteDeploymentsDeleter()
+        site_deployments = SiteDeployment.objects.filter(site=site)
+        site_deployment_deleter = SiteDeploymentDeleter()
         for site_deployment in site_deployments:
             site_deployment_deleter(site_deployment.id)
         site.delete() 
diff --git a/planetstack/ec2_observer/deleters/site_deployment_deleter.py b/planetstack/ec2_observer/deleters/site_deployment_deleter.py
index cc71d43..db344cd 100644
--- a/planetstack/ec2_observer/deleters/site_deployment_deleter.py
+++ b/planetstack/ec2_observer/deleters/site_deployment_deleter.py
@@ -1,11 +1,11 @@
-from core.models import Site, SiteDeployments
+from core.models import Site, SiteDeployment
 from observer.deleter import Deleter
 
-class SiteDeploymentsDeleter(Deleter):
-    model='SiteDeployments'
+class SiteDeploymentDeleter(Deleter):
+    model='SiteDeployment'
 
     def call(self, pk):
-        site_deployment = SiteDeployments.objects.get(pk=pk)
+        site_deployment = SiteDeployment.objects.get(pk=pk)
         if site_deployment.tenant_id:
             driver = self.driver.admin_driver(deployment=site_deployment.deployment.name)
             driver.delete_tenant(site_deployment.tenant_id)