asset-hub-kusama: use inmemorydb weights

CHANGELOG.md

@@ -9,6 +9,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### Added
 
 - Add `cumulus-pallet-weight-reclaim` to all Kusama system parachains for storage weight reclaim functionality ([#941](https://github.com/polkadot-fellows/runtimes/pull/941))
+- asset-hub-kusama: use inmemorydb weights([polkadot-fellows/runtimes/pull/918](https://github.com/polkadot-fellows/runtimes/pull/918))
 
 ## [2.0.3] 21.11.2025
 

system-parachains/asset-hubs/asset-hub-kusama/src/lib.rs

@@ -115,7 +115,7 @@ use system_parachains_constants::{
 		fee::WeightToFee,
 	},
 };
-use weights::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight};
+use weights::{BlockExecutionWeight, ExtrinsicBaseWeight, InMemoryDbWeight};
 use xcm::{
 	latest::prelude::*, Version as XcmVersion, VersionedAsset, VersionedAssetId, VersionedAssets,
 	VersionedLocation, VersionedXcm,
@@ -198,7 +198,7 @@ impl frame_system::Config for Runtime {
 	type RuntimeTask = RuntimeTask;
 	type RuntimeOrigin = RuntimeOrigin;
 	type BlockHashCount = BlockHashCount;
-	type DbWeight = RocksDbWeight;
+	type DbWeight = InMemoryDbWeight;
 	type Version = Version;
 	type PalletInfo = PalletInfo;
 	type OnNewAccount = ();