diff --git a/Makefile b/Makefile
index fa5a0c2b9f04648f9d06cb110bd83fdf7a164f58_TWFrZWZpbGU=..7aa46c5f56e7b76f434da831e6ff28233704512b_TWFrZWZpbGU= 100644
--- a/Makefile
+++ b/Makefile
@@ -61,7 +61,7 @@
 
 local:
 	$(PYTHON) -m venv $(VENV_NAME) --clear --upgrade-deps
-	MERCURIAL_SETUP_MAKE_LOCAL=1 $(VENV_NAME)/$(PYBINDIRNAME)/python -m \
+	$(VENV_NAME)/$(PYBINDIRNAME)/python -m \
 	  pip install -e . -v --config-settings --global-option="$(PURE)"
 	env HGRCPATH= $(VENV_NAME)/$(PYBINDIRNAME)/hg version