diff --git a/java/com.sap.sailing.selenium.test/ci-test-environment.xml b/java/com.sap.sailing.selenium.test/ci-test-environment.xml
index 6e250724ff4..85f264a3d97 100644
--- a/java/com.sap.sailing.selenium.test/ci-test-environment.xml
+++ b/java/com.sap.sailing.selenium.test/ci-test-environment.xml
@@ -104,16 +104,15 @@
   </driver-definition>
   -->
   <!-- TODO: should we use headless Firefox instead of Xvfb on Hudson? -->
-  <!--
   <driver-definition class="com.sap.sailing.selenium.core.HeadlessFirefoxDriver">
   </driver-definition>
-  -->
   
   <!--
   <driver-definition class="org.openqa.selenium.chrome.ChromeDriver" />
   -->
-  
+  <!--
   <driver-definition class="com.sap.sailing.selenium.core.HeadlessChromeDriver">
   </driver-definition>
+  -->
   
 </test-environment>