diff --git a/consensus/proto_array/src/proto_array.rs b/consensus/proto_array/src/proto_array.rs
index 25a1f7e7f9..6b338147cf 100644
--- a/consensus/proto_array/src/proto_array.rs
+++ b/consensus/proto_array/src/proto_array.rs
@@ -1380,8 +1380,6 @@ impl ProtoArray {
         } else {
             let children = self
                 .nodes
-                .get(node.proto_node_index..)
-                .ok_or(Error::InvalidNodeIndex(node.proto_node_index))?
                 .iter()
                 .enumerate()
                 .filter(|(_, child_node)| {