Removing a procedure from a service program

I have a service program that contains 8 modules. One of those modules I want to replace with another of a different name - deprecating one and adding a new one that is similar but different enough to be named differently. The one program that called the module to be removed is being changed and recompiled (to use the new & improved one), so the old module would not really be missed.

Questions:
1) Would updating the service program (UPDSRVPGM) to add the new module cause signature violation issues? I have binder source, which would be updated, but some of the programs that call other modules of the service program were created before the binder source.

2) Is that old module forever part of the service program (and a source of confusion to everyone that follows me and wonders about this phantom module)?

3) Would I be better off recreating the service program (CRTSRVPGM) to permanently remove the old module?

Running 7.1, no TR 7 yet.

Thanks.
Michael Koester
Programmer/Analyst

DataEast