diff --git a/src/fri/commitment.rs b/src/fri/commitment.rs
index 2a1006ab..ab3a1392 100644
--- a/src/fri/commitment.rs
+++ b/src/fri/commitment.rs
@@ -65,7 +65,7 @@ impl<F: Field> PolynomialBatchCommitment<F> {
         let merkle_tree = timed!(
             timing,
             "build Merkle tree",
-            MerkleTree::new(leaves, cap_height,)
+            MerkleTree::new(leaves, cap_height)
         );
 
         Self {