diff --git a/src/array/list/mutable.rs b/src/array/list/mutable.rs
index 5a64152aef1..16a779b064b 100644
--- a/src/array/list/mutable.rs
+++ b/src/array/list/mutable.rs
@@ -166,7 +166,7 @@ impl<O: Offset, M: MutableArray> MutableListArray<O, M> {
     /// - the passed iterator has no upper bound.
     pub fn extend_offsets<II>(&mut self, expansion: II)
     where
-        II: IntoIterator<Item = Option<O>> + TrustedLen,
+        II: TrustedLen<Item = Option<O>>,
     {
         let current_len = self.offsets.len();
         let (_, upper) = expansion.size_hint();