diff --git a/__openerp__.py b/__openerp__.py
index 5c8ac75a..328da8e6 100644
--- a/__openerp__.py
+++ b/__openerp__.py
@@ -39,7 +39,7 @@ The py3o.template package is required; install it with:
         'report'
     ],
     'external_dependencies': {
-        'python': ['py3o.template', 'oe_json_serializer']
+        'python': ['py3o.template']
     },
     'data': [
         'security/ir.model.access.csv',