diff --git a/crates/open_ai/src/open_ai.rs b/crates/open_ai/src/open_ai.rs
index acf6ec434a..08be82b830 100644
--- a/crates/open_ai/src/open_ai.rs
+++ b/crates/open_ai/src/open_ai.rs
@@ -446,7 +446,6 @@ pub enum ResponseStreamResult {
 
 #[derive(Serialize, Deserialize, Debug)]
 pub struct ResponseStreamEvent {
-    pub model: String,
     pub choices: Vec<ChoiceDelta>,
     pub usage: Option<Usage>,
 }