diff --git a/mercurial/hgweb/webcommands.py b/mercurial/hgweb/webcommands.py
--- a/mercurial/hgweb/webcommands.py
+++ b/mercurial/hgweb/webcommands.py
@@ -1268,7 +1268,6 @@
     name = b"%s-%s" % (reponame, arch_version)
 
     ctx = webutil.changectx(web.repo, web.req)
-    pats = []
     match = scmutil.match(ctx, [])
     file = web.req.qsparams.get(b'file')
     if file: