diff --git a/lib/ansible/modules/network/f5/bigip_selfip.py b/lib/ansible/modules/network/f5/bigip_selfip.py
index de861b3795..653fb4d10a 100644
--- a/lib/ansible/modules/network/f5/bigip_selfip.py
+++ b/lib/ansible/modules/network/f5/bigip_selfip.py
@@ -216,7 +216,6 @@ vlan:
   sample: vlan1
 '''
 
-import os
 import re
 
 from ansible.module_utils.f5_utils import AnsibleF5Client
@@ -600,7 +599,6 @@ class ModuleManager(object):
             self.want.update({'traffic_group': '/Common/traffic-group-local-only'})
         if self.want.route_domain is None:
             self.want.update({'route_domain': 0})
-
         if self.want.check_mode:
             return True
         self.create_on_device()
@@ -610,12 +608,10 @@ class ModuleManager(object):
             raise F5ModuleError("Failed to create the Self IP")
 
     def create_on_device(self):
-        params = self.changes.api_params()
+        params = self.want.api_params()
         self.client.api.tm.net.selfips.selfip.create(
             name=self.want.name,
             partition=self.want.partition,
-            address=self.want.address,
-            vlan=self.want.vlan,
             **params
         )
 
@@ -741,9 +737,8 @@ class Difference(object):
 
     @property
     def traffic_group(self):
-        if self.want.traffic_group == self.have.traffic_group:
-            return None
-        return self.want.traffic_group
+        if self.want.traffic_group != self.have.traffic_group:
+            return self.want.traffic_group
 
 
 class ArgumentSpec(object):
diff --git a/test/units/modules/network/f5/test_bigip_selfip.py b/test/units/modules/network/f5/test_bigip_selfip.py
index eb57109c84..6e74d71595 100644
--- a/test/units/modules/network/f5/test_bigip_selfip.py
+++ b/test/units/modules/network/f5/test_bigip_selfip.py
@@ -1,21 +1,7 @@
 # -*- coding: utf-8 -*-
 #
-# Copyright 2017 F5 Networks Inc.
-#
-# This file is part of Ansible
-#
-# Ansible is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# Ansible is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
+# Copyright (c) 2017 F5 Networks Inc.
+# GNU General Public License v3.0 (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
@@ -30,10 +16,10 @@ if sys.version_info < (2, 7):
     raise SkipTest("F5 Ansible modules require Python >= 2.7")
 
 from ansible.compat.tests import unittest
-from ansible.compat.tests.mock import patch, Mock
+from ansible.compat.tests.mock import Mock
+from ansible.compat.tests.mock import patch
 from ansible.module_utils.f5_utils import AnsibleF5Client
 from ansible.module_utils.f5_utils import F5ModuleError
-from units.modules.utils import set_module_args
 
 try:
     from library.bigip_selfip import Parameters
@@ -41,6 +27,7 @@ try:
     from library.bigip_selfip import ModuleManager
     from library.bigip_selfip import ArgumentSpec
     from ansible.module_utils.f5_utils import iControlUnexpectedHTTPError
+    from test.unit.modules.utils import set_module_args
 except ImportError:
     try:
         from ansible.modules.network.f5.bigip_selfip import Parameters
@@ -48,6 +35,7 @@ except ImportError:
         from ansible.modules.network.f5.bigip_selfip import ModuleManager
         from ansible.modules.network.f5.bigip_selfip import ArgumentSpec
         from ansible.module_utils.f5_utils import iControlUnexpectedHTTPError
+        from units.modules.utils import set_module_args
     except ImportError:
         raise SkipTest("F5 Ansible modules require the f5-sdk Python library")