diff --git a/runtime/tests/common/mod.rs b/runtime/tests/common/mod.rs
index 4fe99c3..a5f4fe8 100644
--- a/runtime/tests/common/mod.rs
+++ b/runtime/tests/common/mod.rs
@@ -2,10 +2,7 @@
 use frame_support::weights::Weight;
 use parachain_template_runtime::{BuildStorage, Runtime, System};
 
-pub fn run_with_system_weight<F>(w: Weight, mut assertions: F)
-where
-    F: FnMut() -> (),
-{
+pub fn run_with_system_weight<F: FnMut()>(w: Weight, mut assertions: F) {
     let mut t: sp_io::TestExternalities =
         frame_system::GenesisConfig::<Runtime>::default().build_storage().unwrap().into();
     t.execute_with(|| {