--- a/mercurial/util.py	Sat May 05 18:41:51 2018 -0700
+++ b/mercurial/util.py	Sat May 05 18:35:16 2018 -0700
@@ -60,10 +60,8 @@
 b85encode = base85.b85encode
 
 cookielib = pycompat.cookielib
-empty = pycompat.empty
 httplib = pycompat.httplib
 pickle = pycompat.pickle
-queue = pycompat.queue
 safehasattr = pycompat.safehasattr
 socketserver = pycompat.socketserver
 bytesio = pycompat.bytesio