diff --git a/cumulus/polkadot-parachain/src/chain_spec/coretime.rs b/cumulus/polkadot-parachain/src/chain_spec/coretime.rs
index 351b2f07959bab3ce041ea89f0d138287ca53f75..fe60b09fd8b21715286f5fd40018be06ba978c06 100644
--- a/cumulus/polkadot-parachain/src/chain_spec/coretime.rs
+++ b/cumulus/polkadot-parachain/src/chain_spec/coretime.rs
@@ -107,9 +107,8 @@ impl CoretimeRuntimeType {
 			CoretimeRuntimeType::Kusama => Ok(Box::new(GenericChainSpec::from_json_bytes(
 				&include_bytes!("../../chain-specs/coretime-kusama.json")[..],
 			)?)),
-			CoretimeRuntimeType::Polkadot => Ok(Box::new(GenericChainSpec::from_json_bytes(
+			CoretimeRuntimeType::Polkadot =>
 				todo!("Generate chain-spec: ../../chain-specs/coretime-polkadot.json"),
-			))),
 			CoretimeRuntimeType::Rococo => Ok(Box::new(GenericChainSpec::from_json_bytes(
 				&include_bytes!("../../chain-specs/coretime-rococo.json")[..],
 			)?)),
diff --git a/cumulus/polkadot-parachain/src/chain_spec/people.rs b/cumulus/polkadot-parachain/src/chain_spec/people.rs
index 7ef91d1d36823f8043adbee5dfd4828b3698c884..db8756e68819b3f7abaeeea9e8b684f75beda5dc 100644
--- a/cumulus/polkadot-parachain/src/chain_spec/people.rs
+++ b/cumulus/polkadot-parachain/src/chain_spec/people.rs
@@ -63,9 +63,8 @@ impl PeopleRuntimeType {
 			PeopleRuntimeType::Kusama => Ok(Box::new(GenericChainSpec::from_json_bytes(
 				&include_bytes!("../../chain-specs/people-kusama.json")[..],
 			)?)),
-			PeopleRuntimeType::Polkadot => Ok(Box::new(GenericChainSpec::from_json_bytes(todo!(
-				"Generate chain-spec: ../../chain-specs/people-polkadot.json"
-			)))),
+			PeopleRuntimeType::Polkadot =>
+				todo!("Generate chain-spec: ../../chain-specs/people-polkadot.json"),
 			PeopleRuntimeType::Rococo => Ok(Box::new(GenericChainSpec::from_json_bytes(
 				&include_bytes!("../../chain-specs/people-rococo.json")[..],
 			)?)),