Linux Developers Move to Remove Legacy Network Drivers

The Linux kernel community is moving to excise a tranche of long-unused network drivers after a spike in noisy bug reports, many surfaced by generative AI tooling. Developer Andrew Lunn submitted a patch series to the netdev workflow that would remove roughly 40 files and more than 27,000 lines of legacy code supporting ISA and PCMCIA network hardware, most of which dates from the 1990s. Lunn summarized the maintainers view succinctly: "Fixing these old drivers make little sense, if it is not clear they have users," said Andrew Lunn.

The proposals focus on drivers with effectively zero modern user base and that impose maintenance cost when volunteers must triage reports coming from inexperienced contributors or automated fuzzers using generative AI. The work is incremental, not a forceful subtree purge; patches are organized so individual drivers can be reverted quickly if an owner emerges. Key technical notes:

• •The scope covers ISA and PCMCIA-era Ethernet drivers, touching vendors such as 3Com, Novell, Cirrus Logic, and Fujitsu.
• •The removal plan modifies about 40 files and removes over 27,000 lines of code from mainline kernel trees, not runtime removals from distros.
• •The netdev mailing list is the coordination point; changes follow normal kernel review and revertability expectations.

This cleanup is part of an ongoing trend where maintainers balance backward compatibility with finite volunteer resources. The surge in low-signal reports from people using generative AI assistants and automated fuzzers has raised the cost of evaluating theoretical or hallucinated bugs in hardware nobody uses. The kernel community has recently removed other legacy artifacts, such as the Intel 440BX EDAC driver in Linux kernel 7.0 and progressive stepdowns of i486 support, showing a pattern of retiring code tied to obsolete silicon. For practitioners this signals a subtle but important shift: the kernel will continue to aim for broad hardware support, but PRs that are maintenance-negative and lack real users will more readily be excised.

Volunteer and small-team maintainers are the marginal resource. When AI tools increase the volume of low-quality issues, it changes triage economics. Removing code that imposes constant review cost but yields negligible value frees up cycles for security-critical and performance-sensitive subsystems. That said, the incremental, revertable deletion strategy preserves a safety valve for any remaining niche users or enthusiast communities that can step up to maintain resurrected drivers.

Kernel reviewers will test the patch series for unintended regressions in virtualization and emulation stacks, and for any unexpected downstream impact on niche appliances. If the proposal is accepted, follow-on discussions will likely establish clearer hygiene rules for when legacy code should be archived versus retained. Also watch whether other large open-source projects adopt similar removal patterns to combat AI-driven noise.