if it ain't broke, don't fix it

English

Phrase

if it ain’t broke, don’t fix it

1. Leave something alone; avoid attempting to correct, fix, or improve what is already sufficient. (Often with an implication that the attempted improvement is risky and might backfire.)

   I know it’s an ugly looking antenna, but you know what they say: If it ain’t broke, don’t fix it.

Synonyms

• leave well enough alone
• never change a running system
• don’t change a winning team