--- a/setup.py
+++ b/setup.py
@@ -174,8 +174,7 @@ datalad_setup(
     'datalad',
     description="data distribution geared toward scientific datasets",
     install_requires=
-        requires['core'] + requires['downloaders'] +
-        requires['publish'] + requires['metadata'],
+        requires['core'],
     python_requires='>=3.6',
     extras_require=requires,
     cmdclass=cmdclass,
