diff --git a/crates/katana/primitives/src/genesis/json.rs b/crates/katana/primitives/src/genesis/json.rs
index 87cf2b073d..f6481d1eb2 100644
--- a/crates/katana/primitives/src/genesis/json.rs
+++ b/crates/katana/primitives/src/genesis/json.rs
@@ -780,7 +780,7 @@ mod tests {
             json.classes,
             vec![
                 GenesisClassJson {
-                    class_hash: Some(felt!("0x8")),
+                    class_hash: None,
                     class: PathBuf::from("../../contracts/compiled/erc20.json").into(),
                     name: Some("MyErc20".to_string()),
                 },