private void deleteExternal(File external) throws SVNException {
SVNWCAccess wcAccess = createWCAccess();
SVNAdminArea adminArea = wcAccess.open(external, true, SVNWCAccess.INFINITE_DEPTH);
SVNException error = null;
try {
adminArea.removeFromRevisionControl(adminArea.getThisDirName(), true, false);
} catch (SVNException svne) {
getDebugLog().logFine(SVNLogType.WC, svne);
error = svne;
}