diff --git a/setup.py b/setup.py
index 929096a2098..19df9beb24e 100644
--- a/setup.py
+++ b/setup.py
@@ -86,7 +86,7 @@ def get_long_description() -> str:
         "mypy_extensions>=0.4.3",
     ],
     extras_require={
-        "d": ["aiohttp>=3.6.0", "aiohttp-cors>=0.4.0"],
+        "d": ["aiohttp>=3.6.0"],
         "colorama": ["colorama>=0.4.3"],
         "python2": ["typed-ast>=1.4.2"],
         "uvloop": ["uvloop>=0.15.2"],