--- a/src/jdk.jpackage/share/classes/jdk/jpackage/internal/AbstractAppImageBuilder.java	Thu Apr 11 07:44:51 2019 -0400
+++ b/src/jdk.jpackage/share/classes/jdk/jpackage/internal/AbstractAppImageBuilder.java	Fri Apr 12 10:54:10 2019 -0400
@@ -197,7 +197,6 @@
         out.println("[Application]");
         out.println("app.name=" + APP_NAME.fetchFrom(params));
         out.println("app.version=" + VERSION.fetchFrom(params));
-        out.println("app.preferences.id=" + PREFERENCES_ID.fetchFrom(params));
         out.println("app.runtime=" + runtimeLocation);
         out.println("app.identifier=" + IDENTIFIER.fetchFrom(params));
         out.println("app.classpath=" + String.join(File.pathSeparator,