diff --git a/cumulus/polkadot-parachain/src/service/mod.rs b/cumulus/polkadot-parachain/src/service/mod.rs
index 7df3b7a037b0..609fee080cff 100644
--- a/cumulus/polkadot-parachain/src/service/mod.rs
+++ b/cumulus/polkadot-parachain/src/service/mod.rs
@@ -14,35 +14,36 @@
 // You should have received a copy of the GNU General Public License
 // along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
 
-mod start_nodes;
 mod consensus;
+mod new_partial;
 mod rpc_extensions;
 mod start_node_impl;
-mod new_partial;
+mod start_nodes;
 
 use cumulus_client_consensus_aura::collators::lookahead::{self as aura, Params as AuraParams};
 use cumulus_client_consensus_common::ParachainBlockImport as TParachainBlockImport;
-use sc_executor::{ WasmExecutor};
+use sc_executor::WasmExecutor;
 use sc_service::{PartialComponents, TFullBackend, TFullClient};
 use sc_telemetry::{Telemetry, TelemetryWorkerHandle};
-use std::{sync::Arc};
+use std::sync::Arc;
 
 // Exports from the service module
 
-pub use start_nodes::{
-	asset_hub_lookahead::start_asset_hub_lookahead_node,
-	basic_lookahead::start_basic_lookahead_node,
-	generic_aura_lookahead::start_generic_aura_lookahead_node,
-	rococo_contracts::start_contracts_rococo_node, rococo_parachain::start_rococo_parachain_node,
-	shell::{start_shell_node, build_shell_import_queue},
-};
-pub use start_node_impl::start_node_impl;
 pub use consensus::{
 	lookahead_aura_consensus::{build_aura_import_queue, start_lookahead_aura_consensus},
 	relay_chain_consensus::build_relay_to_aura_import_queue,
 };
 pub use new_partial::new_partial;
 pub use rpc_extensions::{build_contracts_rpc_extensions, build_parachain_rpc_extensions};
+pub use start_node_impl::start_node_impl;
+pub use start_nodes::{
+	asset_hub_lookahead::start_asset_hub_lookahead_node,
+	basic_lookahead::start_basic_lookahead_node,
+	generic_aura_lookahead::start_generic_aura_lookahead_node,
+	rococo_contracts::start_contracts_rococo_node,
+	rococo_parachain::start_rococo_parachain_node,
+	shell::{build_shell_import_queue, start_shell_node},
+};
 
 /// Module with common types.
 ///
@@ -50,7 +51,7 @@ pub use rpc_extensions::{build_contracts_rpc_extensions, build_parachain_rpc_ext
 /// Proxying the imports paths via this module makes it possible to only adjust imports here, as
 /// opposed to replacing `parachains_common` imports in every file.
 pub mod common_types {
-	pub use parachains_common::{AuraId, AccountId, Balance, Block, Hash, Nonce, Header};
+	pub use parachains_common::{AccountId, AuraId, Balance, Block, Hash, Header, Nonce};
 }
 
 use common_types::Block;
diff --git a/cumulus/polkadot-parachain/src/service/start_nodes/asset_hub_lookahead.rs b/cumulus/polkadot-parachain/src/service/start_nodes/asset_hub_lookahead.rs
index bc7e7a165dd8..b522f409eb61 100644
--- a/cumulus/polkadot-parachain/src/service/start_nodes/asset_hub_lookahead.rs
+++ b/cumulus/polkadot-parachain/src/service/start_nodes/asset_hub_lookahead.rs
@@ -15,10 +15,9 @@
 // along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
 
 use crate::service::{
-	aura, build_parachain_rpc_extensions,
-	build_relay_to_aura_import_queue, start_node_impl, AuraParams,
-	ParachainClient,
-	common_types::{AccountId, Balance, Block, Hash, Nonce}
+	aura, build_parachain_rpc_extensions, build_relay_to_aura_import_queue,
+	common_types::{AccountId, Balance, Block, Hash, Nonce},
+	start_node_impl, AuraParams, ParachainClient,
 };
 use codec::{Codec, Decode};
 use cumulus_client_cli::CollatorOptions;
diff --git a/cumulus/polkadot-parachain/src/service/start_nodes/mod.rs b/cumulus/polkadot-parachain/src/service/start_nodes/mod.rs
index 2f550c3bc986..967ab5aa482a 100644
--- a/cumulus/polkadot-parachain/src/service/start_nodes/mod.rs
+++ b/cumulus/polkadot-parachain/src/service/start_nodes/mod.rs
@@ -17,8 +17,8 @@
 //! Contains logic for starting different collator nodes.
 
 pub mod asset_hub_lookahead;
-pub mod rococo_contracts;
-pub mod shell;
 pub mod basic_lookahead;
 pub mod generic_aura_lookahead;
+pub mod rococo_contracts;
 pub mod rococo_parachain;
+pub mod shell;