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Region: US | Usage example: The system is stable; if it's not broke, don't fix it.

If it's not broke, don't fix it

Meaning

Avoid altering something that works fine.

Usage

Used in operations or maintenance contexts.

Origin & History

Origin notes can vary by region and source; this page gives the commonly reported explanation and usage context.

Practical advice warning against unnecessary tinkering.

Mid-20th-century engineers popularized the phrasing.

Related Idioms

Don't rain on my parade

Don't spoil my celebration or good mood.

I don't give a tinker's damn

I do not care at all.

It's raining harder than a cow wetting on a flat rock

It is pouring rain.

More Idioms

Break the ice

To do or say something to relieve tension or get conversation going in a social situation.

Cut to the chase

Skip ahead to the most important or exciting part of something.

The ball is in your court

It is now your turn to take action or make a decision.

Throw in the towel

To concede defeat or admit a struggle isn't worth continuing.