Find leaking classes that you never use... and get rid of them.

composer require tomasvotruba/class-leak --dev

Pass directories you want to check:

vendor/bin/class-leak check src

Make sure to exclude /tests directories, to keep reporting classes that are used in tests, but never used in the code-base.

Many types are excluded by default, as they're collected by framework magic, e.g. console command classes.

Do you want to skip classes of certain type?

vendor/bin/class-leak check src --skip-type="App\\Contract\\SomeInterface"

What if your classes do no implement any type?

vendor/bin/class-leak check src --skip-suffix="Controller"

Do you want to skip classes using a specific attribute?

vendor/bin/class-leak check src --skip-attribute="App\\Attribute\\AsController"

Happy coding!