To remove a driver from an Oracle Solaris system environment, use the rem_drv(1M) command, and then delete the driver module and configuration file from the module path. A driver cannot be used again until that driver is reinstalled with add_drv(1M).
For additional information, see the Oracle Solaris rem-drv(1M) man page at https://docs.oracle.com/cd/E36784_01/html/E36871/rem-drv-1m.html#REFMAN1Mrem-drv-1m
For example:
#rem_drv mlxne