diff --git a/config.xml b/config.xml
index e983ce7395749b3cebe59f722d9b233e44de9bba..5f3bbdaefe24f33a57ebfbcc6a1ed26551105c46 100644
--- a/config.xml
+++ b/config.xml
@@ -1628,7 +1628,7 @@
     </listView>
   </views>
   <primaryView>Mobile</primaryView>
-  <slaveAgentPort>8080</slaveAgentPort>
+  <slaveAgentPort>-1</slaveAgentPort>
   <label></label>
   <crumbIssuer class="hudson.security.csrf.DefaultCrumbIssuer">
     <excludeClientIPFromCrumb>true</excludeClientIPFromCrumb>