This section is from the "Version Control with Subversion" book, by Ben Collins-Sussman, Brian W. Fitzpatrick and C. Michael Pilato. Also available from Amazon: Version Control with Subversion.
svnadmin rmlocks — Unconditionally remove one or more locks from a repository.
svnadmin rmlocks REPOS_PATH LOCKED_PATH...
Remove lock from each LOCKED_PATH.
LOCKED_PATH
None
This deletes the locks on tree.jpg and house.jpg in the repository at /var/svn/repos
tree.jpg
house.jpg
/var/svn/repos
$ svnadmin rmlocks /var/svn/repos tree.jpg house.jpg Removed lock on '/tree.jpg. Removed lock on '/house.jpg.