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Get Started Free →Apply when sequencing an addition, refactor, or rewrite. Remove dead weight, redundant validators, and stub references first, then build on the simpler base.
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-09 | ✗→✓ | ▲ Improved | -46% | 0% |
| case-21 | ✗→✓ | ▲ Improved | 23% | 0% |
| case-12 | ✓→✓ | ＝ Same ✓ | 14% | 0% |
| case-02 | ✓→✓ | ＝ Same ✓ | -65% | 0% |
| case-03 | ✓→✓ | ＝ Same ✓ | -38% | 0% |
When evolving a system, remove complexity first, then build. Deletion gives you a simpler base, which makes the next addition smaller and less brittle.
Why: Adding to a complex system compounds complexity. Removing first cuts the surface area, reveals the essential structure, and usually makes the next design obvious. Default to subtraction.
The pattern:
Other measured skills in the registry, with their headline benchmark lift.