--- a/hgext3rd/topic/__init__.py	Sun Apr 28 00:21:28 2019 -0400
+++ b/hgext3rd/topic/__init__.py	Sat Apr 27 01:18:08 2019 +0300
@@ -256,7 +256,6 @@
 
 stackrev = re.compile(r'^s\d+$')
 topicrev = re.compile(r'^t\d+$')
-branchrev = re.compile(r'^b\d+$')
 
 hastopicext = common.hastopicext
 
@@ -279,11 +278,6 @@
         if not tname:
             raise error.Abort(_('cannot resolve "%s": no active topic') % name)
         revs = list(stack.stack(repo, topic=topic))
-    elif branchrev.match(name):
-        ttype = 'branch'
-        idx = int(name[1:])
-        tname = branch = repo[None].branch()
-        revs = list(stack.stack(repo, branch=branch))
 
     if revs is not None:
         try:
@@ -294,7 +288,7 @@
             elif ttype == 'branch':
                 msg = _('cannot resolve "%s": %s "%s" has only %d non-public changesets')
             raise error.Abort(msg % (name, ttype, tname, len(revs) - 1))
-        # b0 or t0 or s0 can be None
+        # t0 or s0 can be None
         if r == -1 and idx == 0:
             msg = _('the %s "%s" has no %s')
             raise error.Abort(msg % (ttype, tname, name))