diff --git a/.jenkins/jenkins.plugins.slack.SlackNotifier.xml b/.jenkins/jenkins.plugins.slack.SlackNotifier.xml
index e0cc932..3bd2ad0 100644
--- a/.jenkins/jenkins.plugins.slack.SlackNotifier.xml
+++ b/.jenkins/jenkins.plugins.slack.SlackNotifier.xml
@@ -1,4 +1,3 @@
-<?xml version='1.0' encoding='UTF-8'?>
 <jenkins.plugins.slack.SlackNotifier plugin="slack@2.0.1">
   <teamDomain></teamDomain>
   <token></token>
diff --git a/.jenkins/jenkins.plugins.slack.webhook.GlobalConfig.xml b/.jenkins/jenkins.plugins.slack.webhook.GlobalConfig.xml
deleted file mode 100644
index 514d9ab..0000000
--- a/.jenkins/jenkins.plugins.slack.webhook.GlobalConfig.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<?xml version='1.0' encoding='UTF-8'?>
-<jenkins.plugins.slack.webhook.GlobalConfig plugin="slack@2.0.1">
-  <slackOutgoingWebhookToken></slackOutgoingWebhookToken>
-  <slackOutgoingWebhookURL></slackOutgoingWebhookURL>
-</jenkins.plugins.slack.webhook.GlobalConfig>