Continuing the database cleanup that we started with v2.0, we are planning to drop some of the unused fields from civicrm_address table.
CiviCRM v2.0 ERD
List of fields that will be dropped.
1. street_number 2. street_number_suffix 3. street_number_predirectional 4. street_name 5. street_type 6. street_number_postdirectional 7. street_unit 8. supplemental_address_3