In the previous version of Eclipse this works fine.
In Errors/Warnings I checked \"Unused private field\" -> Warning. But it does not seem to work.
\"Unused private field\" -> Warning
This is intentional see - https://bugs.eclipse.org/bugs/show_bug.cgi?id=365437. Also see an open bug on this topic - https://bugs.eclipse.org/bugs/show_bug.cgi?id=376590