diff --git a/setup.py b/setup.py
index 5104918d43..3e49ab79f8 100644
--- a/setup.py
+++ b/setup.py
@@ -46,7 +46,6 @@ setup(name='trytond_sale_opportunity',
         'Natural Language :: English',
         'Natural Language :: French',
         'Natural Language :: German',
-        'Natural Language :: Spanish',
         'Operating System :: OS Independent',
         'Programming Language :: Python',
         'Topic :: Office/Business',