diff --git a/ykcapi/src/lib.rs b/ykcapi/src/lib.rs
index a155c6760..658f0861d 100644
--- a/ykcapi/src/lib.rs
+++ b/ykcapi/src/lib.rs
@@ -76,7 +76,6 @@ pub unsafe extern "C" fn yk_mt_hot_threshold_set(mt: *const MT, hot_threshold: H
     let arc = unsafe { Arc::from_raw(mt) };
     arc.set_hot_threshold(hot_threshold);
     forget(arc);
-    return;
 }
 
 #[no_mangle]