How to remove setfacl entires for a file

I gave the permission for a user using

Setfacl as folllows

setfacl -m u:user:rwx,m:rwx /home/master

To a home path of a master user

When i try to remove the same it showing as

$ setfacl -r s /home/master
usage:
setfacl [-r] -f aclfile file ...
setfacl [-r] -d acl_entries file ...
setfacl [-r] -m acl_entries file ...
setfacl [-r] -s acl_entries file ...

Gave me exact command to remove the acl entries for the /home/master folder when i am using getfacl

please...

You want setfacl -d u:user:rwx,m:rwx /home/master

Thanks it works.....