diff --git a/client/ayon_core/plugins/publish/collect_rendered_files.py b/client/ayon_core/plugins/publish/collect_rendered_files.py
index 1442111a31..a7b6064b7a 100644
--- a/client/ayon_core/plugins/publish/collect_rendered_files.py
+++ b/client/ayon_core/plugins/publish/collect_rendered_files.py
@@ -72,7 +72,7 @@ def _process_path(self, data, anatomy):
         # validate basic necessary data
         data_err = "invalid json file - missing data"
         required = ["asset", "user", "comment",
-                    "job", "instances", "session", "version"]
+                    "job", "instances", "version"]
         assert all(elem in data.keys() for elem in required), data_err
 
         # set context by first json file