if it ain't broke

if it ain't broke

If something is going or working well, there's no need to change it. A shortening of "if it ain't broke, don't fix it," meaning the same. A: "We don't really need to implement these ridiculous changes, do we? Our current method is working just fine." B: "Sure, if it ain't broke, right?"
See also: broke, if

if it ain't broke, fix it till it is

An ironic expression intended to warn against damaging or ruining something that is perfectly fine by fiddling or interfering with it too much. A humorous play on the phrase "if it ain't broke, don't fix it." Of course the school board wants to change the grading system because if it ain’t broke, fix it till it is, right?
See also: fix, if, till
Farlex Dictionary of Idioms.
See also:
  • don't bet on it
  • Don’t make a federal case out of it!
  • a thing you don't want is dear at any price
  • don't get me wrong
  • don't give up the ship
  • don't beat a dead horse
  • all in (one's) head
  • don't cry before you are hurt
  • come it (with one)
References in periodicals archive
Some say if it ain't broke don't fix it - with a million in poverty and 1 in 5 Scots children affected by poverty (it's 1 in 10 in Norway & Denmark) - it's broken.
The likes of All Over The World and The Way It Used To Be don't deviate from formula (if it ain't broke, why fix it?) so it's the input from Last Shadow Puppetmaster Owen Pallett and Smiths legend Johnny Marr that makes the difference, adding a Western soundtrack feel to 60s-styled Beautiful People and fine finale Legacy.
Many small to medium businesses (SMB) operate under the data protection philosophy of "if it ain't broke, don't fix it." But something will inevitably happen: a disaster wipes out the backup tapes, or a critical database is permanently corrupted, or months of backups are useless because there was never an actual backup--only an error that repeated every night but no one ever knew until it was too late.
When something is working, obviously you want it to keep on working and there is a tendency to say, "If it ain't broke ...
PALM belongs to the "if it ain't broke, don't fix it" school, which explains why its latest Tungsten T3 handheld looks almost identical to every other recent top-range Palm.
"Some superintendents take an 'if it ain't broke, don't fix it' approach.
The old saying, "if it ain't broke, don't fix it," may not necessarily hold true for today's continuous quality improvement effort.