diff --git a/instances/ecd.theia/target/jenkins/configuration.yml b/instances/ecd.theia/target/jenkins/configuration.yml
index 14c9731fc..2396f634b 100644
--- a/instances/ecd.theia/target/jenkins/configuration.yml
+++ b/instances/ecd.theia/target/jenkins/configuration.yml
@@ -444,7 +444,6 @@ jenkins:
         labelString: "windows windows10"
         launcher:
           jnlp:
-            #vmargs: "-Xmx256m"
             webSocket: true
             workDirSettings:
               disabled: false
diff --git a/instances/technology.justj/jenkins/configuration.yml b/instances/technology.justj/jenkins/configuration.yml
index 358be50cf..d1cf6adf9 100644
--- a/instances/technology.justj/jenkins/configuration.yml
+++ b/instances/technology.justj/jenkins/configuration.yml
@@ -4,7 +4,6 @@ jenkins:
       labelString: "windows windows10"
       launcher:
         jnlp:
-          #vmargs: "-Xmx256m"
           webSocket: true
           workDirSettings:
             disabled: false