Yes, you can delete both of those items.
To delete a blank 1099-MISC, refer to the TurboTax article How do I edit or delete a 1099 MISC?
You can delete Schedule C from your self-employment income, but if any 1099s (MISC, NEC, or K) flowed over from last year, delete those first.
Next, delete the Schedule C for self-employment by following the instructions in the TurboTax article How do I view and delete forms in TurboTax Online?