remove odbc system dsn using batch file and odbcconf

I create user system dsn entries by using a batch file and odbcconf call.  I've found references here on how to do that, yet cannot seem to find any results on how to remove them using that same call.  The library information (http://msdn.microsoft.com/en-us/library/ee388579(VS.85).aspx) states add and modify a system dsn for configdsn and configsysdsn and references equivalent to SQLConfgDataSource function. (http://msdn.microsoft.com/en-us/library/ms716476(VS.85).aspx) but the config data source function has a a removal and this doesn't seem too. 

Apologies for being obtuse, but I can't seem to locate it.  Any links to how this is done from a batch file are much appreciated.

Regards,
NR.