diff --git a/xos/header.py b/xos/header.py
deleted file mode 120000
index 721b5c0..0000000
--- a/xos/header.py
+++ /dev/null
@@ -1 +0,0 @@
-attic/header.py
\ No newline at end of file
diff --git a/xos/header.py b/xos/header.py
new file mode 100644
index 0000000..9889cea
--- /dev/null
+++ b/xos/header.py
@@ -0,0 +1,33 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+from django.db import models
+from core.models import Service, XOSBase, Slice, Instance, TenantWithContainer, Node, Image, User, Flavor, NetworkParameter, NetworkParameterType, Port, AddressPool, User
+from core.models.xosbase import StrippedCharField
+import os
+from django.db import models, transaction
+from django.forms.models import model_to_dict
+from django.db.models import *
+from operator import itemgetter, attrgetter, methodcaller
+from core.models import Tag
+from core.models.service import LeastLoadedNodeScheduler
+import traceback
+from xos.exceptions import *
+from django.contrib.contenttypes.models import ContentType
+
+class ConfigurationError(Exception):
+    pass
+
+VEG_KIND = "vEG"
+CORD_SUBSCRIBER_KIND = "CordSubscriberRoot"
+