diff --git a/superset/models/sql_lab.py b/superset/models/sql_lab.py
index 20df535ad36a6..96ec4010b3386 100644
--- a/superset/models/sql_lab.py
+++ b/superset/models/sql_lab.py
@@ -502,7 +502,6 @@ def to_dict(self) -> dict[str, Any]:
             "template_params": self.template_params,
             "hide_left_bar": self.hide_left_bar,
             "saved_query": self.saved_query.to_dict() if self.saved_query else None,
-            "extra_json": self.extra,
         }