diff --git a/tox.ini b/tox.ini
index 3fe92cc..4bee7cf 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,12 +11,11 @@ PLATFORM =
     ubuntu-latest: linux
 
 [testenv]
-platform = 
+platform =
     linux: linux
 passenv = 
     CI
     GITHUB_ACTIONS
-    DISPLAY XAUTHORITY
     NUMPY_EXPERIMENTAL_ARRAY_FUNCTION
     PYVISTA_OFF_SCREEN
 deps =