I noticed that I had a project named RemoteSystemTempFiles which I never have created. After googling it seems to be plugin feature on eclipse, but didn\'t got any other idea of
If you're still seeing unwanted results in RemoteSystemsTempFiles when searching for a resource (e.g. CTRL+SHIFT+R), you can manually show the Eclipse resource in the Project Explorer and remove it...
Project Explorer view > Customize View... > Filters > Uncheck "RSE Internal Projects" > OK > find it in the Project Explorer tree > expand it > remove old folders.