A recent paper[1] has shown that such features (which can also be looked at as refactoring candidates) can be detected with concept lattices, using a 'reverse-i

A recent paper[1] has shown that such features (which can also be looked at as refactoring candidates) can be detected with concept lattices, using a 'reverse-inheritance' relationship. Their tool is available[2] on github, for those wishing to experiment with ad-hoc features. [1] H. Mili, I. Benzarti, A. Elkharraz, G. Elboussaidi, Y. -G. Guéhéneuc and P. Valtchev, "Discovering Reusable Functional Features in Legacy Object-Oriented Systems," in IEEE Transactions on Software Engineering, vol. 49, no. 7, pp. 3827-3856, July 2023 [2] https://github.com/hafedhmili/featurediscovery https://github.com/hafedhmili/featurediscovery