diff --git a/setup.py b/setup.py
index bd0f8e50..799d4699 100755
--- a/setup.py
+++ b/setup.py
@@ -142,9 +142,7 @@ def run(self):
             'six',
             'pytest-xdist',
             'virtualenv',
-        ],
-        # Enable pyproject.toml support.
-        'toml': ['coverage[toml]'],
+        ]
     },
     entry_points={
         'pytest11': [