diff --git a/src/runtime/endpoints.rs b/src/runtime/endpoints.rs
index 57b49ba006be144f813c2056ffb1f95a07213a5f..8a88cb1e48f1ec247572a878ef91d45703e2b1f2 100644
--- a/src/runtime/endpoints.rs
+++ b/src/runtime/endpoints.rs
@@ -12,10 +12,6 @@ enum TryRecyAnyError {
 }
 
 /////////////////////
-
-fn would_block(err: &std::io::Error) -> bool {
-    err.kind() == std::io::ErrorKind::WouldBlock
-}
 impl Endpoint {
     pub(super) fn try_recv<T: serde::de::DeserializeOwned>(
         &mut self,