can i change default_gateway.rb file without effecting anything in the file with same name but in different directory

there are two hirerchachy as shown /etc/puppet/environments/acceptance/modules/mobistar/lib/facter/default_gateway.rb /etc/puppet/environments/production/modules/mobistar/lib/facter/default_gateway.rb I want to change something in (acceptance/modules/mobistar/lib/facter/default_gateway.rb) ...could you please assure it wil not effect anythng in production environment though both are in same server