--- a/Makefile	Fri Oct 13 00:22:54 2017 +0900
+++ b/Makefile	Thu Oct 12 22:21:14 2017 +0900
@@ -181,7 +181,6 @@
 	make -C contrib/chg \
 	  HGPATH=/usr/local/bin/hg \
 	  PYTHON=/usr/bin/python2.7 \
-	  HG=/usr/local/bin/hg \
 	  HGEXTDIR=/Library/Python/2.7/site-packages/hgext \
 	  DESTDIR=../../build/mercurial \
 	  PREFIX=/usr/local \