diff --git a/crates/katana/rpc/rpc-types/src/trie.rs b/crates/katana/rpc/rpc-types/src/trie.rs
index 5fab51bc57..00d310efb6 100644
--- a/crates/katana/rpc/rpc-types/src/trie.rs
+++ b/crates/katana/rpc/rpc-types/src/trie.rs
@@ -77,6 +77,7 @@ pub struct GetStorageProofResponse {
 }
 
 #[derive(Debug, Default, Serialize, Deserialize)]
+#[serde(transparent)]
 pub struct ClassesProof {
     pub nodes: Nodes,
 }
@@ -101,9 +102,11 @@ pub struct ContractLeafData {
 }
 
 #[derive(Debug, Default, Serialize, Deserialize)]
+#[serde(transparent)]
 pub struct ContractStorageProofs {
     pub nodes: Vec<Nodes>,
 }
+
 #[derive(Debug, Serialize, Deserialize)]
 pub struct NodeWithHash {
     pub node_hash: Felt,