kubernetes/vendor/k8s.io/kube-openapi/pkg/handler/default_pruning.go

// PruneDefaults remove all the defaults recursively from all the
// schemas in the definitions, and does not modify the definitions in
// place.
func PruneDefaults(definitions spec.Definitions) spec.Definitions { … }

// PruneDefaultsSchema remove all the defaults recursively from the
// schema in place.
func PruneDefaultsSchema(schema *spec.Schema) *spec.Schema { … }