-- Drop new tables DROP TABLE IF EXISTS two_factor_recovery_codes; DROP TABLE IF EXISTS login_attempts; DROP TABLE IF EXISTS email_verification_tokens; DROP TABLE IF EXISTS password_reset_tokens; -- Remove new columns from users table ALTER TABLE users DROP COLUMN IF EXISTS password_hash, DROP COLUMN IF EXISTS password_salt, DROP COLUMN IF EXISTS email_verified, DROP COLUMN IF EXISTS email_verification_token, DROP COLUMN IF EXISTS email_verification_expires_at, DROP COLUMN IF EXISTS password_reset_token, DROP COLUMN IF EXISTS password_reset_expires_at, DROP COLUMN IF EXISTS failed_login_attempts, DROP COLUMN IF EXISTS locked_until, DROP COLUMN IF EXISTS two_factor_enabled, DROP COLUMN IF EXISTS two_factor_secret, DROP COLUMN IF EXISTS two_factor_backup_codes, DROP COLUMN IF EXISTS last_password_change;