UNEVOC Connect

Acquired aptitude and knowledge for which there is little or no demand or which is out-of-date either through technological and scientific advances made in the equipment used, a marked change in job requirements or through the gradual disappearance of a trade or profession. Can usually be rectified by retraining or skill upgrading.

Skills previously used in a job are no longer required and/or skills have deteriorated over time.

(Economic skills obsolescence)

A situation where skills previously used in a job are no longer required or have diminished in importance.