diff --git a/openpype/pipeline/schema/session-4.0.json b/openpype/pipeline/schema/session-4.0.json
index 54a6323e8f..088156af85 100644
--- a/openpype/pipeline/schema/session-4.0.json
+++ b/openpype/pipeline/schema/session-4.0.json
@@ -9,8 +9,7 @@
     "additionalProperties": true,
 
     "required": [
-        "AVALON_PROJECT",
-        "AVALON_ASSET"
+        "AVALON_PROJECT"
     ],
 
     "properties": {