Stop continuing what? Medicare is still deductible on Schedule A if you don't file Schedule C anymore. Delete the SSA-1099 and re add it including the Medicare.
You need to close the business properly. Or if it transferred over there is a special way you have to delete it.
https://ttlc.intuit.com/community/using-turbotax/help/how-do-i-delete-a-prior-year-schedule-c-busine...
And see this article on closing a business
https://turbotax.intuit.com/tax-tips/small-business-taxes/closing-a-business/L3pbEl8of
