I had the need to delete some unwanted profiles, and thought I would post this here after searching for this thread to figure out how I did it last time (posted above).

Here is the easiest way to delete unwanted sources if you still have the unwanted mic.

I found this in the Quick Tips by Lunis.

https://certifiedesupport.com/knowledgebase/dragon-naturallyspeaking-support/remove-microphone-dragon-professional-individual-v15/

1. plug in the unwanted mic

2. Profile, manage dictation sources

3. Select the guy you want to kill

4. Audio, Reset Audio Calibration

5. Say Yes, you want to recalibrate

6. On the next dialog, click cancel - Dragon will delete the mic source

7. Go back to Profile, manage sources - the source will be gone

8. Repeat to delete all the unused ones

9. Finish by choosing the one you want to use.

Win10/11/x64, AMD Ryzen 7 3700X/3950X, 64/128GB RAM, Dragon 15.3, SP 7 Standard, SpeechStart, Office 365, KB 2017, Dragon Capture, Samson Meteor USB Desk Mic, Amazon YUWAKAYI headset, Klim and JUKSTG earbuds with microphones, excellent Sareville Wireless Mono Headset, 3 BenQ 2560x1440 monitors, Microsoft Sculpt Keyboard and Logitech G502 awesome gaming mouse.