diff --git a/src/hash/map.rs b/src/hash/map.rs
index d734dfb..2d49529 100644
--- a/src/hash/map.rs
+++ b/src/hash/map.rs
@@ -1596,7 +1596,6 @@ where
 
     /// Call the provided function to modify the value if the value
     /// exists.
-    #[must_use]
     pub fn and_modify<F>(mut self, f: F) -> Self
     where
         F: FnOnce(&mut V),