diff --git a/nodrop/src/lib.rs b/nodrop/src/lib.rs
index 4aed18c..618fc8d 100644
--- a/nodrop/src/lib.rs
+++ b/nodrop/src/lib.rs
@@ -124,7 +124,6 @@ mod imp {
         // as Option would do.
         assert!(mem::size_of::<Flag<&i32>>() > mem::size_of::<&i32>());
         assert!(mem::size_of::<Flag<Vec<i32>>>() > mem::size_of::<Vec<i32>>());
-        assert!(mem::size_of::<Option<Flag<&i32>>>() > mem::size_of::<Flag<&i32>>());
     }
 }