diff --git a/crates/blockifier/src/execution/contract_class.rs b/crates/blockifier/src/execution/contract_class.rs
index 90b0d0cc7d..b4d90c3590 100644
--- a/crates/blockifier/src/execution/contract_class.rs
+++ b/crates/blockifier/src/execution/contract_class.rs
@@ -105,10 +105,7 @@ impl ContractClass {
             ContractClass::V0(class) => class.estimate_casm_hash_computation_resources(),
             ContractClass::V1(class) => class.estimate_casm_hash_computation_resources(),
             ContractClass::V1Native(_) => {
-                panic!(
-                    "estimate_casm_hash_computation_resources is not supported for native \
-                     contracts."
-                )
+                todo!("Use casm to estimate casm hash computation resources")
             }
         }
     }
@@ -133,7 +130,7 @@ impl ContractClass {
             ContractClass::V0(class) => class.bytecode_length(),
             ContractClass::V1(class) => class.bytecode_length(),
             ContractClass::V1Native(_) => {
-                panic!("bytecode_length is not supported for native contracts.")
+                todo!("implement bytecode_length for native contracts.")
             }
         }
     }