No. If you are eligible for both reduced retirement and reduced spousal benefits, then you cannot restrict your application to just one of these types of benefits. By filing for either benefit, you are deemed by law to have filed for both types of benefits

This deeming provision no longer applies once you attain FRA if you were born on or before January 1, 1954.

The Bipartisan Budget Act of 2015 extended deeming past FRA up to age 70 for those born on or after January 2, 1954. Those born after this date can no longer restrict their application to just one benefit even after their FRA.