diff --git a/CHANGELOG.md b/CHANGELOG.md
index 46be51afea..6eb4bd8375 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 - Allow signed origins to send arbitrary XCMs from some system chains ([polkadot-fellows/runtimes#407](https://github.com/polkadot-fellows/runtimes/pull/407))
 
+### Fixed
+
+- Chain-spec generator: propagate the `on_chain_release_build` feature to the chain-spec generator. Without this the live/genesis chain-specs contain a wrongly-configured WASM blob ([polkadot-fellows/runtimes#450](https://github.com/polkadot-fellows/runtimes/pull/450)).
+
 ## [1.3.2] 27.08.2024
 
 ### Fixed
diff --git a/chain-spec-generator/Cargo.toml b/chain-spec-generator/Cargo.toml
index 66640c7e1b..157c51981a 100644
--- a/chain-spec-generator/Cargo.toml
+++ b/chain-spec-generator/Cargo.toml
@@ -46,3 +46,19 @@ runtime-benchmarks = [
 	"people-polkadot-runtime/runtime-benchmarks",
 	"polkadot-runtime/runtime-benchmarks",
 ]
+
+on-chain-release-build = [
+	"asset-hub-kusama-runtime/on-chain-release-build",
+	"asset-hub-polkadot-runtime/on-chain-release-build",
+	"bridge-hub-kusama-runtime/on-chain-release-build",
+	"bridge-hub-polkadot-runtime/on-chain-release-build",
+	"collectives-polkadot-runtime/on-chain-release-build",
+	"coretime-kusama-runtime/on-chain-release-build",
+	"coretime-polkadot-runtime/on-chain-release-build",
+	"encointer-kusama-runtime/on-chain-release-build",
+	"glutton-kusama-runtime/on-chain-release-build",
+	"kusama-runtime/on-chain-release-build",
+	"people-kusama-runtime/on-chain-release-build",
+	"people-polkadot-runtime/on-chain-release-build",
+	"polkadot-runtime/on-chain-release-build",
+]
diff --git a/chain-spec-generator/src/system_parachains_specs.rs b/chain-spec-generator/src/system_parachains_specs.rs
index db726d7f0d..dd37d8d7b2 100644
--- a/chain-spec-generator/src/system_parachains_specs.rs
+++ b/chain-spec-generator/src/system_parachains_specs.rs
@@ -66,7 +66,7 @@ pub fn asset_hub_polkadot_local_testnet_config() -> Result<Box<dyn ChainSpec>, S
 		.with_name("Polkadot Asset Hub Local")
 		.with_id("asset-hub-polkadot-local")
 		.with_chain_type(ChainType::Local)
-		.with_genesis_config_patch(asset_hub_polkadot_runtime::genesis_config_presets::asset_hub_polkadot_local_testnet_genesis(1000.into()))
+		.with_genesis_config_preset_name("local_testnet")
 		.with_properties(properties)
 		.build(),
 	))
@@ -86,7 +86,7 @@ pub fn asset_hub_kusama_local_testnet_config() -> Result<Box<dyn ChainSpec>, Str
 		.with_name("Kusama Asset Hub Local")
 		.with_id("asset-hub-kusama-local")
 		.with_chain_type(ChainType::Local)
-		.with_genesis_config_patch(asset_hub_kusama_runtime::genesis_config_presets::asset_hub_kusama_local_testnet_genesis(1000.into()))
+		.with_genesis_config_preset_name("local_testnet")
 		.with_properties(properties)
 		.build(),
 	))
@@ -107,7 +107,7 @@ pub fn collectives_polkadot_local_testnet_config() -> Result<Box<dyn ChainSpec>,
 		.with_name("Polkadot Collectives Local")
 		.with_id("collectives-polkadot-local")
 		.with_chain_type(ChainType::Local)
-		.with_genesis_config_patch(collectives_polkadot_runtime::genesis_config_presets::collectives_polkadot_local_testnet_genesis(1001.into()))
+		.with_genesis_config_preset_name("local_testnet")
 		.with_properties(properties)
 		.build(),
 	))
@@ -128,7 +128,7 @@ pub fn bridge_hub_polkadot_local_testnet_config() -> Result<Box<dyn ChainSpec>,
 		.with_name("Polkadot Bridge Hub Local")
 		.with_id("bridge-hub-polkadot-local")
 		.with_chain_type(ChainType::Local)
-		.with_genesis_config_patch(bridge_hub_polkadot_runtime::genesis_config_presets::bridge_hub_polkadot_local_testnet_genesis(1002.into()))
+		.with_genesis_config_preset_name("local_testnet")
 		.with_properties(properties)
 		.build(),
 	))
@@ -148,7 +148,7 @@ pub fn bridge_hub_kusama_local_testnet_config() -> Result<Box<dyn ChainSpec>, St
 		.with_name("Kusama Bridge Hub Local")
 		.with_id("bridge-hub-kusama-local")
 		.with_chain_type(ChainType::Local)
-		.with_genesis_config_patch(bridge_hub_kusama_runtime::genesis_config_presets::bridge_hub_kusama_local_testnet_genesis(1002.into()))
+		.with_genesis_config_preset_name("local_testnet")
 		.with_properties(properties)
 		.build(),
 	))
@@ -166,11 +166,7 @@ pub fn glutton_kusama_local_testnet_config() -> Result<Box<dyn ChainSpec>, Strin
 		.with_name("Kusama Glutton Local")
 		.with_id("glutton-kusama-local")
 		.with_chain_type(ChainType::Local)
-		.with_genesis_config_patch(
-			glutton_kusama_runtime::genesis_config_presets::glutton_kusama_local_testnet_genesis(
-				1300.into(),
-			),
-		)
+		.with_genesis_config_preset_name("local_testnet")
 		.with_properties(properties)
 		.build(),
 	))
@@ -190,7 +186,7 @@ pub fn encointer_kusama_local_testnet_config() -> Result<Box<dyn ChainSpec>, Str
 		.with_name("Kusama Encointer Local")
 		.with_id("encointer-kusama-local")
 		.with_chain_type(ChainType::Local)
-		.with_genesis_config_patch(encointer_kusama_runtime::genesis_config_presets::encointer_kusama_local_testnet_genesis(1001.into()))
+		.with_genesis_config_preset_name("local_testnet")
 		.with_properties(properties)
 		.build(),
 	))
@@ -210,11 +206,7 @@ pub fn coretime_kusama_local_testnet_config() -> Result<Box<dyn ChainSpec>, Stri
 		.with_name("Kusama Coretime Local")
 		.with_id("coretime-kusama-local")
 		.with_chain_type(ChainType::Local)
-		.with_genesis_config_patch(
-			coretime_kusama_runtime::genesis_config_presets::coretime_kusama_local_testnet_genesis(
-				1005.into(),
-			),
-		)
+		.with_genesis_config_preset_name("local_testnet")
 		.with_properties(properties)
 		.build(),
 	))
@@ -327,11 +319,7 @@ pub fn people_kusama_local_testnet_config() -> Result<Box<dyn ChainSpec>, String
 		.with_name("Kusama People Local")
 		.with_id("people-kusama-local")
 		.with_chain_type(ChainType::Local)
-		.with_genesis_config_patch(
-			people_kusama_runtime::genesis_config_presets::people_kusama_local_testnet_genesis(
-				1004.into(),
-			),
-		)
+		.with_genesis_config_preset_name("local_testnet")
 		.with_properties(properties)
 		.build(),
 	))
@@ -351,11 +339,7 @@ pub fn people_polkadot_local_testnet_config() -> Result<Box<dyn ChainSpec>, Stri
 		.with_name("Polkadot People Local")
 		.with_id("people-polkadot-local")
 		.with_chain_type(ChainType::Local)
-		.with_genesis_config_patch(
-			people_polkadot_runtime::genesis_config_presets::people_polkadot_local_testnet_genesis(
-				1004.into(),
-			),
-		)
+		.with_genesis_config_preset_name("local_testnet")
 		.with_properties(properties)
 		.build(),
 	))
diff --git a/relay/kusama/src/genesis_config_presets.rs b/relay/kusama/src/genesis_config_presets.rs
index dda349608b..804c296fa3 100644
--- a/relay/kusama/src/genesis_config_presets.rs
+++ b/relay/kusama/src/genesis_config_presets.rs
@@ -23,6 +23,7 @@ use pallet_staking::{Forcing, StakerStatus};
 use polkadot_primitives::{AccountPublic, AssignmentId, AsyncBackingParams};
 use runtime_parachains::configuration::HostConfiguration;
 use sp_core::{sr25519, Pair, Public};
+use sp_genesis_builder::PresetId;
 use sp_runtime::{traits::IdentifyAccount, Perbill};
 #[cfg(not(feature = "std"))]
 use sp_std::alloc::format;
@@ -224,6 +225,11 @@ pub fn kusama_development_config_genesis() -> serde_json::Value {
 	)
 }
 
+/// Provides the names of the predefined genesis configs for this runtime.
+pub fn preset_names() -> Vec<PresetId> {
+	vec![PresetId::from("development"), PresetId::from("local_testnet")]
+}
+
 /// Provides the JSON representation of predefined genesis config for given `id`.
 pub fn get_preset(id: &sp_genesis_builder::PresetId) -> Option<sp_std::vec::Vec<u8>> {
 	let patch = match id.try_into() {
diff --git a/relay/kusama/src/lib.rs b/relay/kusama/src/lib.rs
index 7653bead2d..aa0b696f0f 100644
--- a/relay/kusama/src/lib.rs
+++ b/relay/kusama/src/lib.rs
@@ -2523,10 +2523,7 @@ sp_api::impl_runtime_apis! {
 		}
 
 		fn preset_names() -> Vec<sp_genesis_builder::PresetId> {
-			vec![
-				sp_genesis_builder::PresetId::from("local_testnet"),
-				sp_genesis_builder::PresetId::from("development"),
-			]
+			genesis_config_presets::preset_names()
 		}
 	}
 
diff --git a/relay/polkadot/src/genesis_config_presets.rs b/relay/polkadot/src/genesis_config_presets.rs
index 38abd8e48f..8d8afb6ad0 100644
--- a/relay/polkadot/src/genesis_config_presets.rs
+++ b/relay/polkadot/src/genesis_config_presets.rs
@@ -23,6 +23,7 @@ use polkadot_primitives::{AccountPublic, AssignmentId, AsyncBackingParams};
 use polkadot_runtime_constants::currency::UNITS as DOT;
 use runtime_parachains::configuration::HostConfiguration;
 use sp_core::{sr25519, Pair, Public};
+use sp_genesis_builder::PresetId;
 use sp_runtime::{traits::IdentifyAccount, Perbill};
 #[cfg(not(feature = "std"))]
 use sp_std::alloc::format;
@@ -224,6 +225,11 @@ pub fn polkadot_development_config_genesis() -> serde_json::Value {
 	)
 }
 
+/// Provides the names of the predefined genesis configs for this runtime.
+pub fn preset_names() -> Vec<PresetId> {
+	vec![PresetId::from("development"), PresetId::from("local_testnet")]
+}
+
 /// Provides the JSON representation of predefined genesis config for given `id`.
 pub fn get_preset(id: &sp_genesis_builder::PresetId) -> Option<sp_std::vec::Vec<u8>> {
 	let patch = match id.try_into() {
diff --git a/relay/polkadot/src/lib.rs b/relay/polkadot/src/lib.rs
index 08a782346f..f6f587eb91 100644
--- a/relay/polkadot/src/lib.rs
+++ b/relay/polkadot/src/lib.rs
@@ -2694,10 +2694,7 @@ sp_api::impl_runtime_apis! {
 		}
 
 		fn preset_names() -> Vec<sp_genesis_builder::PresetId> {
-			vec![
-				sp_genesis_builder::PresetId::from("local_testnet"),
-				sp_genesis_builder::PresetId::from("development"),
-			]
+			genesis_config_presets::preset_names()
 		}
 	}
 
diff --git a/system-parachains/asset-hubs/asset-hub-kusama/src/genesis_config_presets.rs b/system-parachains/asset-hubs/asset-hub-kusama/src/genesis_config_presets.rs
index 09aef4c37d..f092687fe6 100644
--- a/system-parachains/asset-hubs/asset-hub-kusama/src/genesis_config_presets.rs
+++ b/system-parachains/asset-hubs/asset-hub-kusama/src/genesis_config_presets.rs
@@ -17,6 +17,7 @@
 //! Genesis configs presets for the AssetHubKusama runtime
 
 use crate::*;
+use sp_genesis_builder::PresetId;
 use sp_std::vec::Vec;
 use system_parachains_constants::genesis_presets::*;
 
@@ -72,6 +73,11 @@ fn asset_hub_kusama_development_genesis(para_id: ParaId) -> serde_json::Value {
 	asset_hub_kusama_local_testnet_genesis(para_id)
 }
 
+/// Provides the names of the predefined genesis configs for this runtime.
+pub fn preset_names() -> Vec<PresetId> {
+	vec![PresetId::from("development"), PresetId::from("local_testnet")]
+}
+
 /// Provides the JSON representation of predefined genesis config for given `id`.
 pub fn get_preset(id: &sp_genesis_builder::PresetId) -> Option<sp_std::vec::Vec<u8>> {
 	let patch = match id.try_into() {
diff --git a/system-parachains/asset-hubs/asset-hub-kusama/src/lib.rs b/system-parachains/asset-hubs/asset-hub-kusama/src/lib.rs
index 0e3db3440f..4515b3d2a0 100644
--- a/system-parachains/asset-hubs/asset-hub-kusama/src/lib.rs
+++ b/system-parachains/asset-hubs/asset-hub-kusama/src/lib.rs
@@ -1372,10 +1372,7 @@ impl_runtime_apis! {
 		}
 
 		fn preset_names() -> Vec<sp_genesis_builder::PresetId> {
-			vec![
-				sp_genesis_builder::PresetId::from("local_testnet"),
-				sp_genesis_builder::PresetId::from("development"),
-			]
+			genesis_config_presets::preset_names()
 		}
 	}
 
diff --git a/system-parachains/asset-hubs/asset-hub-polkadot/src/genesis_config_presets.rs b/system-parachains/asset-hubs/asset-hub-polkadot/src/genesis_config_presets.rs
index 2f87b6b3b8..4d60c808d8 100644
--- a/system-parachains/asset-hubs/asset-hub-polkadot/src/genesis_config_presets.rs
+++ b/system-parachains/asset-hubs/asset-hub-polkadot/src/genesis_config_presets.rs
@@ -19,6 +19,7 @@
 use crate::*;
 use parachains_common::AssetHubPolkadotAuraId;
 use sp_core::sr25519;
+use sp_genesis_builder::PresetId;
 use sp_std::vec::Vec;
 use system_parachains_constants::genesis_presets::*;
 
@@ -88,6 +89,11 @@ fn asset_hub_polkadot_development_genesis(para_id: ParaId) -> serde_json::Value
 	asset_hub_polkadot_local_testnet_genesis(para_id)
 }
 
+/// Provides the names of the predefined genesis configs for this runtime.
+pub fn preset_names() -> Vec<PresetId> {
+	vec![PresetId::from("development"), PresetId::from("local_testnet")]
+}
+
 /// Provides the JSON representation of predefined genesis config for given `id`.
 pub fn get_preset(id: &sp_genesis_builder::PresetId) -> Option<sp_std::vec::Vec<u8>> {
 	let patch = match id.try_into() {
diff --git a/system-parachains/asset-hubs/asset-hub-polkadot/src/lib.rs b/system-parachains/asset-hubs/asset-hub-polkadot/src/lib.rs
index 67522fcd60..18e634b06f 100644
--- a/system-parachains/asset-hubs/asset-hub-polkadot/src/lib.rs
+++ b/system-parachains/asset-hubs/asset-hub-polkadot/src/lib.rs
@@ -1340,10 +1340,7 @@ impl_runtime_apis! {
 		}
 
 		fn preset_names() -> Vec<sp_genesis_builder::PresetId> {
-			vec![
-				sp_genesis_builder::PresetId::from("local_testnet"),
-				sp_genesis_builder::PresetId::from("development"),
-			]
+			genesis_config_presets::preset_names()
 		}
 	}
 
diff --git a/system-parachains/bridge-hubs/bridge-hub-kusama/src/genesis_config_presets.rs b/system-parachains/bridge-hubs/bridge-hub-kusama/src/genesis_config_presets.rs
index 24f1a87143..d9850b62a7 100644
--- a/system-parachains/bridge-hubs/bridge-hub-kusama/src/genesis_config_presets.rs
+++ b/system-parachains/bridge-hubs/bridge-hub-kusama/src/genesis_config_presets.rs
@@ -17,6 +17,7 @@
 //! Genesis configs presets for the BridgeHubKusama runtime
 
 use crate::*;
+use sp_genesis_builder::PresetId;
 use sp_std::vec::Vec;
 use system_parachains_constants::genesis_presets::*;
 
@@ -72,6 +73,11 @@ fn bridge_hub_kusama_development_genesis(para_id: ParaId) -> serde_json::Value {
 	bridge_hub_kusama_local_testnet_genesis(para_id)
 }
 
+/// Provides the names of the predefined genesis configs for this runtime.
+pub fn preset_names() -> Vec<PresetId> {
+	vec![PresetId::from("development"), PresetId::from("local_testnet")]
+}
+
 /// Provides the JSON representation of predefined genesis config for given `id`.
 pub fn get_preset(id: &sp_genesis_builder::PresetId) -> Option<sp_std::vec::Vec<u8>> {
 	let patch = match id.try_into() {
diff --git a/system-parachains/bridge-hubs/bridge-hub-kusama/src/lib.rs b/system-parachains/bridge-hubs/bridge-hub-kusama/src/lib.rs
index 405eaa4891..5b06329ed9 100644
--- a/system-parachains/bridge-hubs/bridge-hub-kusama/src/lib.rs
+++ b/system-parachains/bridge-hubs/bridge-hub-kusama/src/lib.rs
@@ -812,10 +812,7 @@ impl_runtime_apis! {
 		}
 
 		fn preset_names() -> Vec<sp_genesis_builder::PresetId> {
-			vec![
-				sp_genesis_builder::PresetId::from("local_testnet"),
-				sp_genesis_builder::PresetId::from("development"),
-			]
+			genesis_config_presets::preset_names()
 		}
 	}
 
diff --git a/system-parachains/bridge-hubs/bridge-hub-polkadot/src/genesis_config_presets.rs b/system-parachains/bridge-hubs/bridge-hub-polkadot/src/genesis_config_presets.rs
index 0d549d3c2e..e4ee542bea 100644
--- a/system-parachains/bridge-hubs/bridge-hub-polkadot/src/genesis_config_presets.rs
+++ b/system-parachains/bridge-hubs/bridge-hub-polkadot/src/genesis_config_presets.rs
@@ -17,6 +17,7 @@
 //! Genesis configs presets for the BridgeHubPolkadot runtime
 
 use crate::*;
+use sp_genesis_builder::PresetId;
 use sp_std::vec::Vec;
 use system_parachains_constants::genesis_presets::*;
 
@@ -77,6 +78,11 @@ fn bridge_hub_polkadot_development_genesis(para_id: ParaId) -> serde_json::Value
 	bridge_hub_polkadot_local_testnet_genesis(para_id)
 }
 
+/// Provides the names of the predefined genesis configs for this runtime.
+pub fn preset_names() -> Vec<PresetId> {
+	vec![PresetId::from("development"), PresetId::from("local_testnet")]
+}
+
 /// Provides the JSON representation of predefined genesis config for given `id`.
 pub fn get_preset(id: &sp_genesis_builder::PresetId) -> Option<sp_std::vec::Vec<u8>> {
 	let patch = match id.try_into() {
diff --git a/system-parachains/bridge-hubs/bridge-hub-polkadot/src/lib.rs b/system-parachains/bridge-hubs/bridge-hub-polkadot/src/lib.rs
index 8c2aa532f3..10cf516cc3 100644
--- a/system-parachains/bridge-hubs/bridge-hub-polkadot/src/lib.rs
+++ b/system-parachains/bridge-hubs/bridge-hub-polkadot/src/lib.rs
@@ -814,10 +814,7 @@ impl_runtime_apis! {
 		}
 
 		fn preset_names() -> Vec<sp_genesis_builder::PresetId> {
-			vec![
-				sp_genesis_builder::PresetId::from("local_testnet"),
-				sp_genesis_builder::PresetId::from("development"),
-			]
+			genesis_config_presets::preset_names()
 		}
 	}
 
diff --git a/system-parachains/collectives/collectives-polkadot/src/genesis_config_presets.rs b/system-parachains/collectives/collectives-polkadot/src/genesis_config_presets.rs
index 8ad0b4dcdf..0fcbb37305 100644
--- a/system-parachains/collectives/collectives-polkadot/src/genesis_config_presets.rs
+++ b/system-parachains/collectives/collectives-polkadot/src/genesis_config_presets.rs
@@ -17,6 +17,7 @@
 //! Genesis configs presets for the CollectivesPolkadot runtime
 
 use crate::*;
+use sp_genesis_builder::PresetId;
 use sp_std::vec::Vec;
 use system_parachains_constants::genesis_presets::*;
 
@@ -72,6 +73,11 @@ fn collectives_polkadot_development_genesis(para_id: ParaId) -> serde_json::Valu
 	collectives_polkadot_local_testnet_genesis(para_id)
 }
 
+/// Provides the names of the predefined genesis configs for this runtime.
+pub fn preset_names() -> Vec<PresetId> {
+	vec![PresetId::from("development"), PresetId::from("local_testnet")]
+}
+
 /// Provides the JSON representation of predefined genesis config for given `id`.
 pub fn get_preset(id: &sp_genesis_builder::PresetId) -> Option<sp_std::vec::Vec<u8>> {
 	let patch = match id.try_into() {
diff --git a/system-parachains/collectives/collectives-polkadot/src/lib.rs b/system-parachains/collectives/collectives-polkadot/src/lib.rs
index 0ddd613f0c..7be3bfd3e6 100644
--- a/system-parachains/collectives/collectives-polkadot/src/lib.rs
+++ b/system-parachains/collectives/collectives-polkadot/src/lib.rs
@@ -1039,10 +1039,7 @@ impl_runtime_apis! {
 		}
 
 		fn preset_names() -> Vec<sp_genesis_builder::PresetId> {
-			vec![
-				sp_genesis_builder::PresetId::from("local_testnet"),
-				sp_genesis_builder::PresetId::from("development"),
-			]
+			genesis_config_presets::preset_names()
 		}
 	}
 
diff --git a/system-parachains/coretime/coretime-kusama/src/genesis_config_presets.rs b/system-parachains/coretime/coretime-kusama/src/genesis_config_presets.rs
index 545d0a87e4..dbefac5c74 100644
--- a/system-parachains/coretime/coretime-kusama/src/genesis_config_presets.rs
+++ b/system-parachains/coretime/coretime-kusama/src/genesis_config_presets.rs
@@ -19,6 +19,7 @@
 use crate::*;
 use hex_literal::hex;
 use sp_core::crypto::UncheckedInto;
+use sp_genesis_builder::PresetId;
 use sp_std::vec::Vec;
 use system_parachains_constants::genesis_presets::*;
 
@@ -131,6 +132,11 @@ fn coretime_kusama_live_genesis(para_id: ParaId) -> serde_json::Value {
 	)
 }
 
+/// Provides the names of the predefined genesis configs for this runtime.
+pub fn preset_names() -> Vec<PresetId> {
+	vec![PresetId::from("development"), PresetId::from("local_testnet")]
+}
+
 /// Provides the JSON representation of predefined genesis config for given `id`.
 pub fn get_preset(id: &sp_genesis_builder::PresetId) -> Option<sp_std::vec::Vec<u8>> {
 	let patch = match id.try_into() {
diff --git a/system-parachains/coretime/coretime-kusama/src/lib.rs b/system-parachains/coretime/coretime-kusama/src/lib.rs
index 08177d041f..2f0bc186f4 100644
--- a/system-parachains/coretime/coretime-kusama/src/lib.rs
+++ b/system-parachains/coretime/coretime-kusama/src/lib.rs
@@ -1107,10 +1107,7 @@ impl_runtime_apis! {
 		}
 
 		fn preset_names() -> Vec<sp_genesis_builder::PresetId> {
-			vec![
-				sp_genesis_builder::PresetId::from("local_testnet"),
-				sp_genesis_builder::PresetId::from("development"),
-			]
+			genesis_config_presets::preset_names()
 		}
 	}
 }
diff --git a/system-parachains/coretime/coretime-polkadot/src/genesis_config_presets.rs b/system-parachains/coretime/coretime-polkadot/src/genesis_config_presets.rs
index 509a23d52e..38f3aceed7 100644
--- a/system-parachains/coretime/coretime-polkadot/src/genesis_config_presets.rs
+++ b/system-parachains/coretime/coretime-polkadot/src/genesis_config_presets.rs
@@ -133,7 +133,7 @@ fn coretime_polkadot_live_genesis(para_id: ParaId) -> serde_json::Value {
 	)
 }
 
-pub(super) fn preset_names() -> Vec<PresetId> {
+pub fn preset_names() -> Vec<PresetId> {
 	vec![PresetId::from("live"), PresetId::from("development"), PresetId::from("local_testnet")]
 }
 
diff --git a/system-parachains/encointer/src/genesis_config_presets.rs b/system-parachains/encointer/src/genesis_config_presets.rs
index 906c77e505..8f25c9ae86 100644
--- a/system-parachains/encointer/src/genesis_config_presets.rs
+++ b/system-parachains/encointer/src/genesis_config_presets.rs
@@ -17,6 +17,7 @@
 //! Genesis configs presets for the EncointerKusama runtime
 
 use crate::*;
+use sp_genesis_builder::PresetId;
 use sp_std::vec::Vec;
 use system_parachains_constants::genesis_presets::*;
 
@@ -72,6 +73,11 @@ fn encointer_kusama_development_genesis(para_id: ParaId) -> serde_json::Value {
 	encointer_kusama_local_testnet_genesis(para_id)
 }
 
+/// Provides the names of the predefined genesis configs for this runtime.
+pub fn preset_names() -> Vec<PresetId> {
+	vec![PresetId::from("development"), PresetId::from("local_testnet")]
+}
+
 /// Provides the JSON representation of predefined genesis config for given `id`.
 pub fn get_preset(id: &sp_genesis_builder::PresetId) -> Option<sp_std::vec::Vec<u8>> {
 	let patch = match id.try_into() {
diff --git a/system-parachains/encointer/src/lib.rs b/system-parachains/encointer/src/lib.rs
index 3654899cfe..d2f1a50110 100644
--- a/system-parachains/encointer/src/lib.rs
+++ b/system-parachains/encointer/src/lib.rs
@@ -1041,10 +1041,7 @@ impl_runtime_apis! {
 		}
 
 		fn preset_names() -> Vec<sp_genesis_builder::PresetId> {
-			vec![
-				sp_genesis_builder::PresetId::from("local_testnet"),
-				sp_genesis_builder::PresetId::from("development"),
-			]
+			genesis_config_presets::preset_names()
 		}
 	}
 
diff --git a/system-parachains/gluttons/glutton-kusama/src/genesis_config_presets.rs b/system-parachains/gluttons/glutton-kusama/src/genesis_config_presets.rs
index aa6b3f67ba..c951b4e538 100644
--- a/system-parachains/gluttons/glutton-kusama/src/genesis_config_presets.rs
+++ b/system-parachains/gluttons/glutton-kusama/src/genesis_config_presets.rs
@@ -18,6 +18,7 @@
 
 use crate::*;
 use cumulus_primitives_core::ParaId;
+use sp_genesis_builder::PresetId;
 
 fn glutton_kusama_genesis(id: ParaId) -> serde_json::Value {
 	serde_json::json!({
@@ -36,6 +37,11 @@ fn glutton_kusama_development_genesis(para_id: ParaId) -> serde_json::Value {
 	glutton_kusama_local_testnet_genesis(para_id)
 }
 
+/// Provides the names of the predefined genesis configs for this runtime.
+pub fn preset_names() -> Vec<PresetId> {
+	vec![PresetId::from("development"), PresetId::from("local_testnet")]
+}
+
 /// Provides the JSON representation of predefined genesis config for given `id`.
 pub fn get_preset(id: &sp_genesis_builder::PresetId) -> Option<sp_std::vec::Vec<u8>> {
 	let patch = match id.try_into() {
diff --git a/system-parachains/gluttons/glutton-kusama/src/lib.rs b/system-parachains/gluttons/glutton-kusama/src/lib.rs
index 6392e0a9d8..140763101c 100644
--- a/system-parachains/gluttons/glutton-kusama/src/lib.rs
+++ b/system-parachains/gluttons/glutton-kusama/src/lib.rs
@@ -399,10 +399,7 @@ impl_runtime_apis! {
 		}
 
 		fn preset_names() -> Vec<sp_genesis_builder::PresetId> {
-			vec![
-				sp_genesis_builder::PresetId::from("local_testnet"),
-				sp_genesis_builder::PresetId::from("development"),
-			]
+			genesis_config_presets::preset_names()
 		}
 	}
 
diff --git a/system-parachains/people/people-kusama/src/genesis_config_presets.rs b/system-parachains/people/people-kusama/src/genesis_config_presets.rs
index 74aa13cf80..1254ed4469 100644
--- a/system-parachains/people/people-kusama/src/genesis_config_presets.rs
+++ b/system-parachains/people/people-kusama/src/genesis_config_presets.rs
@@ -17,6 +17,7 @@
 //! Genesis configs presets for the PeopleKusama runtime
 
 use crate::*;
+use sp_genesis_builder::PresetId;
 use sp_std::vec::Vec;
 use system_parachains_constants::genesis_presets::*;
 
@@ -72,6 +73,11 @@ fn people_kusama_development_genesis(para_id: ParaId) -> serde_json::Value {
 	people_kusama_local_testnet_genesis(para_id)
 }
 
+/// Provides the names of the predefined genesis configs for this runtime.
+pub fn preset_names() -> Vec<PresetId> {
+	vec![PresetId::from("development"), PresetId::from("local_testnet")]
+}
+
 /// Provides the JSON representation of predefined genesis config for given `id`.
 pub fn get_preset(id: &sp_genesis_builder::PresetId) -> Option<sp_std::vec::Vec<u8>> {
 	let patch = match id.try_into() {
diff --git a/system-parachains/people/people-kusama/src/lib.rs b/system-parachains/people/people-kusama/src/lib.rs
index 3076b5da04..ee32677762 100644
--- a/system-parachains/people/people-kusama/src/lib.rs
+++ b/system-parachains/people/people-kusama/src/lib.rs
@@ -1077,10 +1077,7 @@ impl_runtime_apis! {
 		}
 
 		fn preset_names() -> Vec<sp_genesis_builder::PresetId> {
-			vec![
-				sp_genesis_builder::PresetId::from("local_testnet"),
-				sp_genesis_builder::PresetId::from("development"),
-			]
+			genesis_config_presets::preset_names()
 		}
 	}
 }
diff --git a/system-parachains/people/people-polkadot/src/genesis_config_presets.rs b/system-parachains/people/people-polkadot/src/genesis_config_presets.rs
index 6847d7ca73..f48e219922 100644
--- a/system-parachains/people/people-polkadot/src/genesis_config_presets.rs
+++ b/system-parachains/people/people-polkadot/src/genesis_config_presets.rs
@@ -17,6 +17,7 @@
 //! Genesis configs presets for the PeoplePolkadot runtime
 
 use crate::*;
+use sp_genesis_builder::PresetId;
 use sp_std::vec::Vec;
 use system_parachains_constants::genesis_presets::*;
 
@@ -72,6 +73,11 @@ fn people_polkadot_development_genesis(para_id: ParaId) -> serde_json::Value {
 	people_polkadot_local_testnet_genesis(para_id)
 }
 
+/// Provides the names of the predefined genesis configs for this runtime.
+pub fn preset_names() -> Vec<PresetId> {
+	vec![PresetId::from("development"), PresetId::from("local_testnet")]
+}
+
 /// Provides the JSON representation of predefined genesis config for given `id`.
 pub fn get_preset(id: &sp_genesis_builder::PresetId) -> Option<sp_std::vec::Vec<u8>> {
 	let patch = match id.try_into() {
diff --git a/system-parachains/people/people-polkadot/src/lib.rs b/system-parachains/people/people-polkadot/src/lib.rs
index 791b0738c1..06ef90faca 100644
--- a/system-parachains/people/people-polkadot/src/lib.rs
+++ b/system-parachains/people/people-polkadot/src/lib.rs
@@ -1042,10 +1042,7 @@ impl_runtime_apis! {
 		}
 
 		fn preset_names() -> Vec<sp_genesis_builder::PresetId> {
-			vec![
-				sp_genesis_builder::PresetId::from("local_testnet"),
-				sp_genesis_builder::PresetId::from("development"),
-			]
+			genesis_config_presets::preset_names()
 		}
 	}
 }