Cleaned up role of unused code.
diff --git a/files/external_validator.py b/files/external_validator.py
index c3f3d44..dc51d61 100644
--- a/files/external_validator.py
+++ b/files/external_validator.py
@@ -1,3 +1,17 @@
+# Copyright 2018 Google LLC
+#
+# 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
+#
+# https://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.
+
 #! /usr/bin/env python
 
 # Needs to run the server on the port provided
diff --git a/library/external_validator.py b/library/external_validator.py
index c3f3d44..dc51d61 100644
--- a/library/external_validator.py
+++ b/library/external_validator.py
@@ -1,3 +1,17 @@
+# Copyright 2018 Google LLC
+#
+# 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
+#
+# https://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.
+
 #! /usr/bin/env python
 
 # Needs to run the server on the port provided
diff --git a/tasks/main.yml b/tasks/main.yml
index 45b6f9c..8e07e59 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -1,9 +1,12 @@
 ---
 # tasks file for external-port-connectivity-validator-server
-- name: Do not use proxy definitions
-  include: with_no_proxy.yml
-  when: (https_proxy is not defined or https_proxy | trim == '') and (http_proxy is not defined or http_proxy | trim == '')
+- name: Client validator with proxy
+  debug:
+    msg: 'Source Server: {{ private_address }}'
 
-- name: Use proxy definitions
-  include: with_proxy.yml
-  when: https_proxy is defined and https_proxy | trim != '' and http_proxy is defined and http_proxy | trim != ''
+- name: Validate for open port {{ target_server }}:{{ check_port }} with proxy
+  uri:
+    url: 'http://{{ target_server }}:{{ check_port }}/check'
+  environment:
+    http_proxy: "{{ http_proxy }}"
+    https_proxy: "{{ https_proxy }}"
diff --git a/tasks/with_no_proxy.yml b/tasks/with_no_proxy.yml
deleted file mode 100644
index 46c4a4c..0000000
--- a/tasks/with_no_proxy.yml
+++ /dev/null
@@ -1,9 +0,0 @@
----
-# tasks file for external-port-connectivity-validator-server
-- name: Client validator
-  debug:
-    msg: 'Client validator: {{ private_address }}'
-
-- name: Validate for open port {{ target_server }}:{{ check_port }}
-  uri:
-    url: 'http://{{ target_server }}:{{ check_port }}/check'
diff --git a/tasks/with_proxy.yml b/tasks/with_proxy.yml
deleted file mode 100644
index 8e07e59..0000000
--- a/tasks/with_proxy.yml
+++ /dev/null
@@ -1,12 +0,0 @@
----
-# tasks file for external-port-connectivity-validator-server
-- name: Client validator with proxy
-  debug:
-    msg: 'Source Server: {{ private_address }}'
-
-- name: Validate for open port {{ target_server }}:{{ check_port }} with proxy
-  uri:
-    url: 'http://{{ target_server }}:{{ check_port }}/check'
-  environment:
-    http_proxy: "{{ http_proxy }}"
-    https_proxy: "{{ https_proxy }}"