diff --git a/tox.ini b/tox.ini
index 976a7640b7c66978dfe76a49c91285a9a34f0bb9..de73c395f359132062ead816de42fe671cf7d0d9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,3 @@
-[tox]
-envlist = py39
-
 [flake8]
 exclude = obsolete,.tox