diff --git a/lightway-core/src/connection.rs b/lightway-core/src/connection.rs
index e6b5b66..76cb407 100644
--- a/lightway-core/src/connection.rs
+++ b/lightway-core/src/connection.rs
@@ -1315,8 +1315,8 @@ impl<AppState: Send> Connection<AppState> {
             .send(inside_pkt, self.app_state_mut())
         {
             IOCallbackResult::Ok(_nr) => {}
-            IOCallbackResult::Err(err) => {
-                metrics::inside_io_send_failed(err);
+            IOCallbackResult::Err(_err) => {
+                metrics::inside_io_send_failed();
             }
             IOCallbackResult::WouldBlock => warn!("Send to inside IO would block"),
         }
diff --git a/lightway-core/src/metrics.rs b/lightway-core/src/metrics.rs
index a82282a..2348781 100644
--- a/lightway-core/src/metrics.rs
+++ b/lightway-core/src/metrics.rs
@@ -1,5 +1,4 @@
 use metrics::counter;
-use tracing::warn;
 use wolfssl::ProtocolVersion;
 
 const METRIC_CONNECTION_ALLOC_FRAG_MAP: &str = "conn_alloc_frag_map";
@@ -21,7 +20,6 @@ pub(crate) fn wolfssl_appdata(tls_version: &ProtocolVersion) {
 }
 
 /// A call to [`crate::io::InsideIOSendCallback::send`] failed
-pub(crate) fn inside_io_send_failed(err: std::io::Error) {
-    warn!(%err, "Failed to send to inside IO");
+pub(crate) fn inside_io_send_failed() {
     counter!(METRIC_INSIDE_IO_SEND_FAILED).increment(1);
 }