How to delete the defined injector in Prostar
 

Hello,
i've just defined 10 injectors on the Panel of Spray Injection with Atomization in Lagrangian Multi-Phase. Now i want to delete 2 of them. But i didn't find a button, which can be used. and i've tried that i let the all Parameters same like the undefined injector. but a error came by starting the Solution.
Anyone kown how to delete it?
thx!

Injdelete, inj1(1), inj2(inj1), injinc(1)

thx! i will try it