diff --git a/src/runtime2/store/component.rs b/src/runtime2/store/component.rs
index cd35878591ace87d2922fd5483a73d85c508fdd8..0370e5956540d36a4784546678e35ab0dca7408f 100644
--- a/src/runtime2/store/component.rs
+++ b/src/runtime2/store/component.rs
@@ -129,7 +129,7 @@ impl<T: Sized> ComponentStore<T> {
 
     pub fn reserve(&self) -> ComponentReservation {
         let lock = self.inner.lock_shared();
-        let (lock, index) = self.pop_freelist_index(lock);
+        let (_lock, index) = self.pop_freelist_index(lock);
         return ComponentReservation::new(index);
     }