Dequalification

Middle management is particularly threatened with dequalification (reduction in decision-making, supervision and control) .

Source: wiktionary

According to Braverman's thesis, Taylorism, or scientific management, has been the key feature in the devaluation and dequalification of work.

Source: wiktionary

However, here it may be noted that dequalification does often happen when new technologies replace older ones in one and the same field of activity.

Source: wiktionary

This implies a dequalification of positions, dequalification which can be either only technical or both technical and social.

Source: wiktionary