diff --git a/README.md b/README.md
index 85c47e0..43cca73 100644
--- a/README.md
+++ b/README.md
@@ -6,19 +6,24 @@ Murano charm provides a catalog of applications deployable on Openstack cloud.
 
 Murano relies on services from the mysql/percona, rabbitmq-server and keystone charms:
 
-    juju deploy murano
-    juju deploy keystone
-    juju deploy mysql
-    juju deploy rabbitmq-server
-    juju add-relation murano rabbitmq-server
-    juju add-relation murano mysql
-    juju add-relation murano keystone
+    $ juju deploy murano
+    $ juju deploy keystone
+    $ juju deploy mysql
+    $ juju deploy rabbitmq-server
+    $ juju add-relation murano rabbitmq-server
+    $ juju add-relation murano mysql
+    $ juju add-relation murano keystone
 
 # Build
     $ git clone https://github.com/viswesn/charm-murano
     $ cd charm-murano
     $ charm build -s xenial -o build src
 
+# Config
+    $ juju config murano ext-network=my_ext_net
+    $ juju config murano router=my_router
+    $ juju config murano default_dns=10.166.62.1
+
 # Bugs
 
 Please report bugs on [Launchpad](https://bugs.launchpad.net/charm-murano/+filebug).
diff --git a/requirements.txt b/requirements.txt
index 8d3d204..604b8c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,12 +1,6 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-pbr>=1.8.0,<1.9.0
-PyYAML>=3.1.0
-simplejson>=2.2.0
-netifaces>=0.10.4
-netaddr>=0.7.12,!=0.7.16
-Jinja2>=2.6  # BSD License (3 clause)
-six>=1.9.0
-dnspython>=1.12.0
-psutil>=1.1.1,<2.0.0
\ No newline at end of file
+simplejson
+charm-tools
+flake8
diff --git a/src/config.yaml b/src/config.yaml
index abb2803..b562178 100644
--- a/src/config.yaml
+++ b/src/config.yaml
@@ -30,12 +30,18 @@ options:
   ext-network:
     default: ext_net
     type: string
-    description: External network to connect
+    description: |
+      The external network to be connect to download the application packages
+      on launch of VMs spawned by Murano.
   router:
     default: default_router
     type: string
-    description: Default router to connect
+    description: |
+      The default router to bridge the external network and isolated network
+      created by Murano for each environment.
   default_dns:
     default: 8.8.8.8
     type: string
-    description: Default DNS configuration
+    description: |
+      The default DNS used by the VMs spawned by Murano to download the
+      application packages on poweron.
diff --git a/src/lib/charm/openstack/murano.py b/src/lib/charm/openstack/murano.py
index b0a5879..6704375 100644
--- a/src/lib/charm/openstack/murano.py
+++ b/src/lib/charm/openstack/murano.py
@@ -3,8 +3,6 @@ import charmhelpers.core.hookenv as hookenv
 import charms_openstack.charm
 import charms_openstack.ip as os_ip
 
-RC_FILE = '/root/novarc'
-
 
 class MuranoCharm(charms_openstack.charm.HAOpenStackCharm):
     # Internal name of charm
@@ -34,7 +32,6 @@ class MuranoCharm(charms_openstack.charm.HAOpenStackCharm):
 
     restart_map = {
         '/etc/murano/murano.conf': services,
-        RC_FILE: [''],
     }
 
     ha_resources = ['vips', 'haproxy']
diff --git a/src/novarc b/src/novarc
deleted file mode 100644
index 06512e5..0000000
--- a/src/novarc
+++ /dev/null
@@ -1,19 +0,0 @@
-{% if identity_service.api_version == '3' -%}
-export OS_AUTH_URL={{ identity_service.auth_protocol }}://{{ identity_service.auth_host }}:{{ identity_service.auth_port }}/v3
-export OS_USERNAME={{ identity_service.service_username }}
-export OS_PASSWORD={{ identity_service.service_password }}
-export OS_USER_DOMAIN_NAME=default
-export OS_PROJECT_DOMAIN_NAME=default
-export OS_PROJECT_NAME={{ identity_service.service_tenant }}
-export OS_REGION_NAME={{ options.region }}
-export OS_IDENTITY_API_VERSION=3
-export OS_DNS_ENDPOINT={{ options.service_listen_info.designate_api.url }}
-export OS_AUTH_VERSION=3
-{% else -%}
-export OS_AUTH_URL={{ identity_service.auth_protocol }}://{{ identity_service.auth_host }}:{{ identity_service.auth_port }}/v2.0
-export OS_TENANT_NAME={{ identity_service.service_tenant }}
-export OS_USERNAME={{ identity_service.service_username }}
-export OS_PASSWORD={{ identity_service.service_password }}
-export OS_REGION_NAME={{ options.region }}
-export OS_DNS_ENDPOINT={{ options.service_listen_info.designate_api.url }}
-{% endif -%}
diff --git a/src/templates/liberty/.keep b/src/templates/liberty/.keep
deleted file mode 100644
index e69de29..0000000
diff --git a/src/templates/mitaka/novarc b/src/templates/mitaka/novarc
deleted file mode 100644
index e138759..0000000
--- a/src/templates/mitaka/novarc
+++ /dev/null
@@ -1,17 +0,0 @@
-{% if identity_service.api_version == '3' -%}
-export OS_AUTH_URL={{ identity_service.auth_protocol }}://{{ identity_service.auth_host }}:{{ identity_service.auth_port }}/v3
-export OS_USERNAME={{ identity_service.service_username }}
-export OS_PASSWORD={{ identity_service.service_password }}
-export OS_USER_DOMAIN_NAME=default
-export OS_PROJECT_DOMAIN_NAME=default
-export OS_PROJECT_NAME={{ identity_service.service_tenant }}
-export OS_REGION_NAME={{ options.region }}
-export OS_IDENTITY_API_VERSION=3
-export OS_AUTH_VERSION=3
-{% else -%}
-export OS_AUTH_URL={{ identity_service.auth_protocol }}://{{ identity_service.auth_host }}:{{ identity_service.auth_port }}/v2.0
-export OS_TENANT_NAME={{ identity_service.service_tenant }}
-export OS_USERNAME={{ identity_service.service_username }}
-export OS_PASSWORD={{ identity_service.service_password }}
-export OS_REGION_NAME={{ options.region }}
-{% endif -%}