diff --git a/.zuul.yaml b/.zuul.yaml
index 07c7674..aa6dac8 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -21,7 +21,6 @@
         MYSQL_ROOT_PW: secretdatabase
         MISTRAL_USE_MOD_WSGI: true
         MISTRAL_RPC_IMPLEMENTATION: oslo
-        USE_PYTHON3: true
       devstack_services:
         heat: true
         h-api: true