class Gem::Specification

def self.remove_spec spec

def self.remove_spec spec
  warn "Gem::Specification.remove_spec is deprecated and will be removed in Rubygems 3.0" unless Gem::Deprecate.skip
  _all.delete spec
  stubs.delete_if { |s| s.full_name == spec.full_name }
  (@@stubs_by_name[spec.name] || []).delete_if { |s| s.full_name == spec.full_name }
  reset
end