What is Kill Switch Protocol?
The Kill Switch Protocol is a framework coined by Richard Ewing for identifying and deprecating 'Zombie Features' — code that requires ongoing maintenance but generates zero incremental value.
Most organizations add features but never remove them. Over time, 40-60% of a codebase becomes maintenance burden with no corresponding value. The Kill Switch Protocol provides structured criteria for when to kill a feature and how to execute the deprecation safely.
The protocol involves: identifying zombie features (features with maintenance cost but no usage or revenue contribution), quantifying the cost of keeping them alive, assessing deprecation risk, creating a sunset timeline, communicating to affected stakeholders, and executing the removal with rollback capability.
Why It Matters
Every feature you keep makes every future feature harder. The Kill Switch Protocol provides the organizational discipline to subtract — which is harder than adding but often more valuable.
Frequently Asked Questions
What is the Kill Switch Protocol?
A framework by Richard Ewing for identifying and removing Zombie Features — code that costs money to maintain but generates zero value. Most codebases have 40-60% zombie features.
How do you identify zombie features?
Look for features with: zero or declining usage metrics, no revenue attribution, ongoing maintenance costs, and no strategic value. If removing it wouldn't hurt any business metric, it's a zombie.
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Richard Ewing is a Product Economist and AI Capital Auditor. He helps companies translate technical complexity into financial clarity.
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