diff --git a/tox.ini b/tox.ini
index cb981b00b..adb6c5a02 100644
--- a/tox.ini
+++ b/tox.ini
@@ -183,7 +183,6 @@ deps =
     {[testenv]deps}
     sphinx
     sphinxcontrib-napoleon
-    pillow
 whitelist_externals =
     {[testenv]whitelist_externals}