diff --git a/tox.ini b/tox.ini
index 7178b186..3ddfbabb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -30,7 +30,6 @@ commands =
     pre-commit {posargs:run --all-files}
 
 [testenv:mypy]
-basepython=python3.7
 deps =
     mypy
 commands =