Collocations for redundant - adj.

be
become
make sb
the decision to make 800 employees compulsorily redundant

compulsorily

be, feel, seem
become
declare sth (BrE), make sth, render sth
The chapel was declared redundant in 1995.

completely
partially
virtually (BrE)
The boom in mobile phones has made phone boxes virtually redundant.

largely
a bit, somewhat

Redundant is used with these nouns:
worker