diff --git a/bitcoin/src/taproot.rs b/bitcoin/src/taproot.rs
index fb6ac15c..1f3a1127 100644
--- a/bitcoin/src/taproot.rs
+++ b/bitcoin/src/taproot.rs
@@ -568,7 +568,7 @@ impl TaprootBuilder {
         if self.branch.len() < depth as usize + 1 {
             // add enough nodes so that we can insert node at depth `depth`
             let num_extra_nodes = depth as usize + 1 - self.branch.len();
-            self.branch.extend((0..num_extra_nodes).into_iter().map(|_| None));
+            self.branch.extend((0..num_extra_nodes).map(|_| None));
         }
         // Push the last node to the branch
         self.branch[depth as usize] = Some(node);