diff --git a/crates/open_ai/src/open_ai.rs b/crates/open_ai/src/open_ai.rs
index acf6ec434a013c711e0c77be3658913f9c6db7cb..08be82b8303291f9fa7795b2f04cbe8392d6d581 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>,
 }