diff --git a/runtime/kerria/src/lib.rs b/runtime/kerria/src/lib.rs
index 3ccc1c815..1ed8bdd79 100644
--- a/runtime/kerria/src/lib.rs
+++ b/runtime/kerria/src/lib.rs
@@ -16,16 +16,16 @@
 // `construct_runtime!` does a lot of recursion and requires us to increase the limit to 256.
 #![recursion_limit = "256"]
 
-use codec::{Decode, Encode, MaxEncodedLen};
+use codec::Encode;
 use frame_support::{
     construct_runtime,
-    dispatch::{DispatchClass, DispatchResult, Weight},
+    dispatch::{DispatchClass, Weight},
     log, match_types, parameter_types,
     traits::{
         fungibles::{InspectMetadata, Mutate},
         tokens::BalanceConversion,
-        AsEnsureOriginWithArg, ChangeMembers, ConstU32, Contains, EitherOfDiverse,
-        EqualPrivilegeOnly, Everything, FindAuthor, InstanceFilter, NeverEnsureOrigin, Nothing,
+        AsEnsureOriginWithArg, ConstU32, EitherOfDiverse, EqualPrivilegeOnly, Everything,
+        NeverEnsureOrigin, Nothing,
     },
     weights::{
         constants::{
@@ -33,39 +33,31 @@ use frame_support::{
         },
         ConstantMultiplier,
     },
-    ConsensusEngineId, PalletId,
+    PalletId,
 };
 use frame_system::{
     limits::{BlockLength, BlockWeights},
     EnsureRoot, EnsureSigned,
 };
-use orml_traits::{
-    location::AbsoluteReserveProvider, parameter_type_with_key, DataFeeder, DataProvider,
-    DataProviderExtended,
-};
+use orml_traits::location::AbsoluteReserveProvider;
 use orml_xcm_support::{IsNativeConcrete, MultiNativeAsset};
 // use pallet_ethereum::PostLogContent;
 // use pallet_evm::{FeeCalculator, Runner};
 use pallet_xcm::XcmPassthrough;
 use polkadot_parachain::primitives::Sibling;
 use polkadot_runtime_common::SlowAdjustingFeeUpdate;
-use scale_info::TypeInfo;
+
 use sp_api::impl_runtime_apis;
-use sp_core::{OpaqueMetadata, H160, H256, U256};
+use sp_core::OpaqueMetadata;
 #[cfg(any(feature = "std", test))]
 pub use sp_runtime::BuildStorage;
 use sp_runtime::{
     create_runtime_str, generic, impl_opaque_keys,
     traits::{
-        self, AccountIdConversion, AccountIdLookup, BlakeTwo256, Block as BlockT,
-        BlockNumberProvider, Convert, DispatchInfoOf, Dispatchable, PostDispatchInfoOf,
-        UniqueSaturatedInto, Verify, Zero,
+        self, AccountIdConversion, AccountIdLookup, BlakeTwo256, Block as BlockT, Convert, Zero,
     },
-    transaction_validity::{
-        TransactionPriority, TransactionSource, TransactionValidity, TransactionValidityError,
-    },
-    ApplyExtrinsicResult, DispatchError, FixedPointNumber, KeyTypeId, Perbill, Permill,
-    RuntimeDebug, SaturatedConversion,
+    transaction_validity::{TransactionSource, TransactionValidity},
+    ApplyExtrinsicResult, DispatchError, KeyTypeId, Perbill, Permill, SaturatedConversion,
 };
 use sp_std::prelude::*;
 #[cfg(feature = "std")]
@@ -96,20 +88,14 @@ pub use pallet_asset_registry;
 // pub use pallet_router;
 // pub use pallet_streaming;
 
-use pallet_traits::{
-    xcm::{
-        AccountIdToMultiLocation, AsAssetType, AssetType, CurrencyIdConvert, FirstAssetTrader,
-        MultiCurrencyAdapter, XcmAssetRegistry,
-    },
-    DecimalProvider, EmergencyCallFilter, ValidationDataProvider,
+use pallet_traits::xcm::{
+    AsAssetType, AssetType, CurrencyIdConvert, FirstAssetTrader, MultiCurrencyAdapter,
+    XcmAssetRegistry,
 };
 use primitives::{
     network::PARALLEL_PREFIX,
-    paras,
-    tokens::{DOT, EUSDC, EUSDT, PARA, SDOT},
-    AccountId, AuraId, Balance, BlockNumber, ChainId, CurrencyId, DataProviderId, EraIndex, Hash,
-    Index, Liquidity, Moment, PersistedValidationData, Price, Rate, Ratio, Shortfall, Signature,
-    DOT_U,
+    tokens::{DOT, EUSDC, EUSDT, PARA},
+    AccountId, AuraId, Balance, BlockNumber, CurrencyId, Hash, Index, Signature,
 };
 
 use runtime_common::constants::{currency, fee, time};