diff --git a/tox.ini b/tox.ini
index e18e3387e..1f024b2f5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -118,7 +118,6 @@ commands =
 changedir = testing/freeze
 # Disable PEP 517 with pip, which does not work with PyInstaller currently.
 deps =
-    --no-use-pep517
     pyinstaller
 commands =
     {envpython} create_executable.py