diff --git a/backend/windmill-api/src/scripts.rs b/backend/windmill-api/src/scripts.rs
index dfdbef8190..acf997aca5 100644
--- a/backend/windmill-api/src/scripts.rs
+++ b/backend/windmill-api/src/scripts.rs
@@ -895,17 +895,3 @@ async fn delete_script_by_path(
 
     Ok(Json(script))
 }
-
-#[derive(Debug, Serialize)]
-#[serde(tag = "type")]
-enum SigParsing {
-    Valid(MainArgSignature),
-    Invalid { error: String },
-}
-
-fn result_to_sig_parsing(result: Result<MainArgSignature>) -> Json<SigParsing> {
-    match result {
-        Ok(sig) => Json(SigParsing::Valid(sig)),
-        Err(e) => Json(SigParsing::Invalid { error: e.to_string() }),
-    }
-}
diff --git a/backend/windmill-worker/src/worker.rs b/backend/windmill-worker/src/worker.rs
index aa3e49d083..0a07f53920 100644
--- a/backend/windmill-worker/src/worker.rs
+++ b/backend/windmill-worker/src/worker.rs
@@ -1512,8 +1512,7 @@ async fn handle_deno_job(
 
     let write_wrapper_f = async {
         // let mut start = Instant::now();
-        let args = windmill_parser_ts::parse_deno_signature(inner_content, true)
-            .map_err(|e| Error::BadRequest(e))?.args;
+        let args = windmill_parser_ts::parse_deno_signature(inner_content, true)?.args;
         let dates = args.iter().enumerate().filter_map(|(i, x)| if matches!(x.typ, Typ::Datetime) {
             Some(i) 
         } else {