Linux 7.1 Drops Drivers for Obsolete Input Hardware, Ends Bus Mouse Support

The latest iteration of the Linux kernel, version 7.1, officially removes driver support for a range of outdated input devices, most notably ending compatibility with bus mice. This cleanup marks a significant step in modernizing the kernel’s codebase by shedding legacy hardware that is no longer in practical use.

The decision to drop these drivers stems from the need to streamline kernel maintenance and reduce bloat. Bus mice, which connect via a proprietary bus interface rather than the standard PS/2 or USB ports, have been obsolete for decades. Similarly, several other obsolete input hardware drivers have been retired, reflecting the kernel development community’s commitment to focusing resources on current and future technologies.

For most users, this change will go completely unnoticed. The hardware in question has not been manufactured or widely used since the early 1990s. However, the removal is a clear signal that the Linux kernel is actively pruning its support for legacy systems to improve efficiency and security. By eliminating dead code, developers can reduce the attack surface and simplify future driver updates.

This update is part of a broader trend in open-source development where aging components are systematically deprecated. While some enthusiasts running vintage hardware may need to stick with an older kernel, the vast majority of modern Linux users will benefit from a leaner, more focused kernel. The Linux 7.1 release thus reinforces the project’s dedication to progress, even when it means leaving behind the relics of computing history.