The most valuable skill in 2026 isn't writing code. It is deleting it.

The text says AI tools in 2026 let developers create far more code, but they do not reduce the cost of keeping that code alive. As a result, code becomes a liability when it adds testing, debugging, security, updates, and future reading work.

It describes a shift from measuring value by output to valuing subtraction. The author calls out features built “just in case,” unused abstractions, and one-off utilities as forms of digital hoarding, and says the best engineers are the ones who delete modules, remove libraries, and solve problems without code.

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• AI tools let a junior developer generate more code in an afternoon than a senior used to write in a month, but maintenance costs remain.
• The text treats code as a liability because every line creates work for testing, debugging, security, updates, and later reading.
• The author says they used to judge productivity by GitHub contribution squares and later saw that as a mistake.
• Features built “just in case,” future-proof abstractions, and one-time utility functions are presented as digital hoarding.
• The best developers in this era are described as people who delete modules, remove libraries, and solve problems without code.
• The author reports deleting a feature that caused many support tickets, replacing a state library with React hooks, and hard-coding variables that had been made dynamic only as a precaution.
• After those deletions, bundle size dropped, build time was cut in half, and the system became easier to understand.
• The conclusion says that when AI can write infinite code, the value moves to curation and to removing complexity.