diff --git a/crates/engine/service/src/service.rs b/crates/engine/service/src/service.rs
index 496f994fc4..1983421ead 100644
--- a/crates/engine/service/src/service.rs
+++ b/crates/engine/service/src/service.rs
@@ -101,7 +101,7 @@ where
 
         let canonical_in_memory_state = blockchain_db.canonical_in_memory_state();
 
-        let (to_tree_tx, from_tree) = EngineApiTreeHandler::<N::Primitives, _, _, _, _>::spawn_new(
+        let (to_tree_tx, from_tree) = EngineApiTreeHandler::spawn_new(
             blockchain_db,
             consensus,
             payload_validator,