Delete built-in packages in Emacs
elpa, emacs
Solution
Emacs should start and be useable even if the whole `lisp` directory is empty (note that we rarely/never test it, so I don't guarantee that it'll work, but at least in principle it should and if it doesn't you should report it with `M-x report-emacs-bug`). So feel free to remove any and all packages in there you don't find useful, in order to create a trimmed-down version of Emacs.
Problem
Is it possible to remove built-in Emacs packages like "tetris"? They can't be marked to be deleted in package list as of 24.1. It would be nice to have a minimal installation of Emacs - even though barely useful - by deleting some or all built-in packages. Is it possible to do somehow, and will this ability added in future?