diff --git a/src/xtimer.rs b/src/xtimer.rs
index bcbf096..956afe6 100644
--- a/src/xtimer.rs
+++ b/src/xtimer.rs
@@ -187,9 +187,7 @@ impl XTimer {
                 expires: 0,
                 cb: None,
             }));
-            {
-                p.borrow_mut().holder = Some(p.clone());
-            }
+            p.borrow_mut().holder = Some(p.clone());
             {
                 let z = Some(Rc::new(p.borrow().holder.clone().unwrap()));
                 p.borrow_mut().wp = z;