diff --git a/deluge/ui/webui/json_api.py b/deluge/ui/webui/json_api.py
index 267c8972a..6e04ce63d 100644
--- a/deluge/ui/webui/json_api.py
+++ b/deluge/ui/webui/json_api.py
@@ -251,7 +251,6 @@ class json_rpc:
         return {
             "filename": filename,
             "name": metadata["info"]["name"],
-            "size": metadata["info"]["length"],
             "files": files,
             "info_hash": info_hash
         }