diff --git a/substrate/frame/offences/benchmarking/src/mock.rs b/substrate/frame/offences/benchmarking/src/mock.rs
index 0d1a48847c9c..c5c178aa4443 100644
--- a/substrate/frame/offences/benchmarking/src/mock.rs
+++ b/substrate/frame/offences/benchmarking/src/mock.rs
@@ -28,9 +28,8 @@ use frame_support::{
 use frame_system as system;
 use pallet_session::historical as pallet_session_historical;
 use sp_runtime::{
-	KeyTypeId,
 	testing::{Header, UintAuthorityId},
-	BuildStorage, Perbill,
+	BuildStorage, KeyTypeId, Perbill,
 };
 
 type AccountId = u64;