diff --git a/crates/rundler/src/common/tracer.rs b/crates/rundler/src/common/tracer.rs
index 7841f57d9..2b01d6394 100644
--- a/crates/rundler/src/common/tracer.rs
+++ b/crates/rundler/src/common/tracer.rs
@@ -45,13 +45,6 @@ pub struct StorageAccess {
     pub slots: Vec<U256>,
 }
 
-#[derive(Clone, Debug, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-pub struct ContractSize {
-    pub contract_size: u64,
-    pub opcode: Opcode,
-}
-
 #[derive(Clone, Debug, Deserialize, Serialize)]
 pub struct AssociatedSlotsByAddress(HashMap<Address, BTreeSet<U256>>);