After removing the product, you can remove the SFDB repository file and any backups.
Removing the SFDB repository file disables the SFDB tools.
To remove the SFDB repository
DB2 9.5 and 9.7:
# rm -rf /db2data/db2inst1/NODE0000/SQL00001/.sfae
DB2 10.1 and 10.5:
# rm -rf /db2data/db2inst1/NODE0000/SQL00001/MEMBER0000/.sfae
# rm -rf /var/vx/vxdba/rep_loc
This completes the removal of the SFDB repository.