diff --git a/vllm/model_executor/guided_decoding/__init__.py b/vllm/model_executor/guided_decoding/__init__.py
index ca18a6ff06a41..e631aec928ec5 100644
--- a/vllm/model_executor/guided_decoding/__init__.py
+++ b/vllm/model_executor/guided_decoding/__init__.py
@@ -22,10 +22,6 @@ def check_object(obj: dict) -> bool:
         if not isinstance(obj, dict):
             return False
 
-        # Check for $ref and $defs (schema references)
-        if "$ref" in obj or "$defs" in obj:
-            return True
-
         # Check for pattern restrictions
         if "pattern" in obj:
             return True