diff --git a/setup.py b/setup.py
index bfb9176f..ce09a23e 100644
--- a/setup.py
+++ b/setup.py
@@ -262,14 +262,14 @@ if "--no-libev" not in sys.argv and not is_windows:
 if "--no-cython" not in sys.argv:
     try:
         from Cython.Build import cythonize
-        cython_candidates = ['cluster', 'concurrent', 'connection', 'cqltypes', 'metadata',
-                             'pool', 'protocol', 'query', 'util']
-        compile_args = [] if is_windows else ['-Wno-unused-function']
-        extensions.extend(cythonize(
-            [Extension('cassandra.%s' % m, ['cassandra/%s.py' % m],
-                       extra_compile_args=compile_args)
-                for m in cython_candidates],
-            exclude_failures=True))
+        # cython_candidates = ['cluster', 'concurrent', 'connection', 'cqltypes', 'metadata',
+        #                      'pool', 'protocol', 'query', 'util']
+        # compile_args = [] if is_windows else ['-Wno-unused-function']
+        # extensions.extend(cythonize(
+        #     [Extension('cassandra.%s' % m, ['cassandra/%s.py' % m],
+        #                extra_compile_args=compile_args)
+        #         for m in cython_candidates],
+        #     exclude_failures=True))
         extensions.extend(cythonize("cassandra/*.pyx"))
         extensions.extend(cythonize("tests/unit/cython/*.pyx"))
     except ImportError: