diff --git a/java/operator/org.eclipse.theia.cloud.operator/src/main/java/org/eclipse/theia/cloud/operator/TheiaCloudOperatorLauncher.java b/java/operator/org.eclipse.theia.cloud.operator/src/main/java/org/eclipse/theia/cloud/operator/TheiaCloudOperatorLauncher.java
index 9983f232..b64c6293 100644
--- a/java/operator/org.eclipse.theia.cloud.operator/src/main/java/org/eclipse/theia/cloud/operator/TheiaCloudOperatorLauncher.java
+++ b/java/operator/org.eclipse.theia.cloud.operator/src/main/java/org/eclipse/theia/cloud/operator/TheiaCloudOperatorLauncher.java
@@ -20,10 +20,10 @@
 
 public interface TheiaCloudOperatorLauncher {
 
-    public abstract void runMain(String[] args) throws InterruptedException;
+    abstract void runMain(String[] args) throws InterruptedException;
 
-    public abstract TheiaCloudOperatorArguments createArguments(String[] args);
+    abstract TheiaCloudOperatorArguments createArguments(String[] args);
 
-    public abstract AbstractTheiaCloudOperatorModule createModule(TheiaCloudOperatorArguments arguments);
+    abstract AbstractTheiaCloudOperatorModule createModule(TheiaCloudOperatorArguments arguments);
 
 }