diff --git a/src/merkle/smt/mod.rs b/src/merkle/smt/mod.rs
index eaf18cd..69fe901 100644
--- a/src/merkle/smt/mod.rs
+++ b/src/merkle/smt/mod.rs
@@ -632,7 +632,7 @@ impl SubtreeLeaf {
 }
 
 #[derive(Debug, Clone, PartialEq, Eq)]
-pub struct PairComputations<K, L> {
+pub(crate) struct PairComputations<K, L> {
     /// Literal leaves to be added to the sparse Merkle tree's internal mapping.
     pub nodes: BTreeMap<K, L>,
     /// "Conceptual" leaves that will be used for computations.