diff --git a/library/std/src/sys/hermit/net.rs b/library/std/src/sys/hermit/net.rs
index 880ef678a4f7a..1a6b3bc63e6de 100644
--- a/library/std/src/sys/hermit/net.rs
+++ b/library/std/src/sys/hermit/net.rs
@@ -182,7 +182,7 @@ impl TcpStream {
         Ok(self.clone())
     }
 
-    pub fn set_linger(&self, linger: Option<Duration>) -> io::Result<()> {
+    pub fn set_linger(&self, _linger: Option<Duration>) -> io::Result<()> {
         unsupported()
     }