diff --git a/R/LLM_calls.R b/R/LLM_calls.R
index 27ca4f9..d4e728f 100644
--- a/R/LLM_calls.R
+++ b/R/LLM_calls.R
@@ -390,8 +390,6 @@ use_custom_llm <- function(
     body$model = model
   }
 
-  body$response_format <- NULL
-
   # Prepare the request
   httr::POST(
     url = endpoint,