Merge pull request #561 from dmatej/jenkins

diff --git a/Jenkinsfile b/Jenkinsfile
index 948a758..4947c3e 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -47,7 +47,6 @@
   - name: jnlp
     image: jenkins/jnlp-slave:alpine
     imagePullPolicy: IfNotPresent
-    volumeMounts:
     env:
       - name: JAVA_TOOL_OPTIONS
         value: -Xmx1G