pruning
noun /ˈpruːnɪŋ/
  /ˈpruːnɪŋ/
[uncountable]- the activity of cutting off some of the branches from a tree, bush, etc. so that it will grow better and stronger
- All roses require annual pruning.
 
 - the act of making something smaller by removing parts; the act of cutting out parts of something
- The company would benefit from a little pruning here and there.