diff --git a/runtimes/mainnet/src/lib.rs b/runtimes/mainnet/src/lib.rs
index 968e2833b..75da1e758 100644
--- a/runtimes/mainnet/src/lib.rs
+++ b/runtimes/mainnet/src/lib.rs
@@ -1055,10 +1055,7 @@ where
 			frame_system::CheckSpecVersion::<Runtime>::new(),
 			frame_system::CheckTxVersion::<Runtime>::new(),
 			frame_system::CheckGenesis::<Runtime>::new(),
-			frame_system::CheckEra::<Runtime>::from(generic::Era::mortal(
-				period,
-				current_block,
-			)),
+			frame_system::CheckEra::<Runtime>::from(generic::Era::mortal(period, current_block)),
 			frame_system::CheckNonce::<Runtime>::from(nonce),
 			frame_system::CheckWeight::<Runtime>::new(),
 			pallet_asset_conversion_tx_payment::ChargeAssetTxPayment::<Runtime>::from(tip, None),