diff --git a/setup.py b/setup.py
index e1b265b860..628f9615aa 100644
--- a/setup.py
+++ b/setup.py
@@ -281,6 +281,29 @@ default_training_package_device = parse_arg_remove_boolean(sys.argv, '--default_
 package_data = {}
 data_files = []
 
+classifiers = [
+    'Development Status :: 5 - Production/Stable',
+    'Intended Audience :: Developers',
+    'License :: OSI Approved :: MIT License',
+    'Operating System :: POSIX :: Linux',
+    'Topic :: Scientific/Engineering',
+    'Topic :: Scientific/Engineering :: Mathematics',
+    'Topic :: Scientific/Engineering :: Artificial Intelligence',
+    'Topic :: Software Development',
+    'Topic :: Software Development :: Libraries',
+    'Topic :: Software Development :: Libraries :: Python Modules',
+    'Programming Language :: Python',
+    'Programming Language :: Python :: 3 :: Only',
+    'Programming Language :: Python :: 3.6',
+    'Programming Language :: Python :: 3.7',
+    'Programming Language :: Python :: 3.8',
+    'Programming Language :: Python :: 3.9']
+
+if not enable_training:
+    classifiers.extend([
+        'Operating System :: Microsoft :: Windows',
+        'Operating System :: MacOS'])
+
 if enable_training:
     packages.extend(['onnxruntime.training',
                      'onnxruntime.training.amp',
@@ -529,23 +552,5 @@ setup(
             'onnxruntime_test = onnxruntime.tools.onnxruntime_test:main',
         ]
     },
-    classifiers=[
-        'Development Status :: 5 - Production/Stable',
-        'Intended Audience :: Developers',
-        'License :: OSI Approved :: MIT License',
-        'Operating System :: POSIX :: Linux',
-        'Operating System :: Microsoft :: Windows',
-        'Operating System :: MacOS',
-        'Topic :: Scientific/Engineering',
-        'Topic :: Scientific/Engineering :: Mathematics',
-        'Topic :: Scientific/Engineering :: Artificial Intelligence',
-        'Topic :: Software Development',
-        'Topic :: Software Development :: Libraries',
-        'Topic :: Software Development :: Libraries :: Python Modules',
-        'Programming Language :: Python',
-        'Programming Language :: Python :: 3 :: Only',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8',
-        'Programming Language :: Python :: 3.9'],
+    classifiers=classifiers,
     )