Linux Developers Removed Deprecated ARM Code
The Linux 7.3 kernel update has initiated a significant cleanup of deprecated 32-bit ARM platform architecture.
Updated on Oct. 1, 2026 in Semiconductors
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Linux kernel developers have begun purging deprecated 32-bit ARM platform code from the system. This cleanup represents a major maintenance effort as the community prepares for the upcoming 7.4 kernel release.
Why it matters
Removing obsolete code reduces long-term maintenance burdens and streamlines the kernel codebase for current hardware standards. This strategic pruning ensures that developers can focus on modern architecture rather than supporting legacy platforms.
The cleanup effort involves 300 patches targeting code paths within arch/arm/mach-*/. The project focuses on removing Kconfig symbols that feature only trivial dependencies.
The players
Linux kernel developers
This global community of open-source contributors is responsible for maintaining and evolving the Linux kernel.
The details
The current initiative marks multiple platforms as deprecated within the 7.3 kernel to pave the way for total removal. While most legacy ARM code is targeted for deletion, the RiscPC platform remains in the kernel while discussions regarding its future compiler support continue.
Timeline
Linux Kernel 7.3 introduced the deprecation of specific 32-bit ARM platforms.
Linux Kernel 7.4 is slated for the removal of the remaining deprecated features.
The Tech Race
This move reflects the ongoing industry shift toward shedding legacy hardware support to optimize modern computing performance. The Linux 7.3 kernel acts as a catalyst for architecture modernization that other open-source projects follow as a standard for lifecycle management.
Users running older hardware may need to verify compatibility before upgrading to future kernel versions. Developers can expect a more streamlined codebase that simplifies future contributions and security audits.
The takeaway
Maintaining massive codebases requires rigorous pruning to prevent technical debt from slowing down innovation. Developers and system administrators should regularly monitor kernel release notes to stay ahead of deprecated platform support.
What happens next
The remaining deprecated features are scheduled for removal in the upcoming Linux 7.4 kernel release.
Further reading
For more background on how hardware and software standards evolve, see our coverage of Semiconductors.
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