diff --git a/setup.py b/setup.py
index 2be2b53f9..3752d2466 100644
--- a/setup.py
+++ b/setup.py
@@ -123,9 +123,7 @@
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
-        "Operating System :: Microsoft :: Windows",
         "Operating System :: POSIX :: Linux",
-        "Operating System :: MacOS",
     ],
     extras_require=extras_require,
     keywords="recommendations recommendation recommenders recommender system engine "