diff --git a/comfy_execution/graph.py b/comfy_execution/graph.py
index d262201d9..632f327bf 100644
--- a/comfy_execution/graph.py
+++ b/comfy_execution/graph.py
@@ -98,10 +98,11 @@ def get_input_info(
         extra_info = input_info[1]
     else:
         extra_info = {}
-    # if input_type is a list, it is a Combo defined in outdated format; convert it
-    if isinstance(input_type, list):
-        extra_info["options"] = input_type
-        input_type = IO.Combo.io_type
+    # if input_type is a list, it is a Combo defined in outdated format; convert it.
+    # NOTE: uncomment this when we are confident old format going away won't cause too much trouble.
+    # if isinstance(input_type, list):
+    #     extra_info["options"] = input_type
+    #     input_type = IO.Combo.io_type
     return input_type, input_category, extra_info
 
 class TopologicalSort: