Hi,
I am not able to delete fanouts in Spectrum. All the options to delete/remove is grayed out. Evern I am not able to delete the connections. Delete option is grayed out for everything.
I can't think of any reason why you wouldn't be able to delete fanout models other than standard access type questions. Meaning, are you using an admin type account, do you have model destroy privileges to the containers where these models exist?
Abhinav,
Incase it is an admin account, can you try to see if you can delete the model from spectrum cli?