diff --git a/frame/babel/src/lib.rs b/frame/babel/src/lib.rs
index 62b3d2aa..8ec9be9b 100644
--- a/frame/babel/src/lib.rs
+++ b/frame/babel/src/lib.rs
@@ -54,7 +54,10 @@ pub mod pallet {
 		},
 	};
 	use frame_system::{ensure_root, pallet_prelude::*};
-	use np_multimap::traits::{UniqueMap, UniqueMultimap};
+	use np_multimap::{
+		traits::{UniqueMap, UniqueMultimap},
+		Error as MapError, UniqueMapAdapter, UniqueMultimapAdapter,
+	};
 	use pallet_cosmos::{
 		types::{AssetIdOf, DenomOf},
 		AddressMapping as _,
@@ -104,6 +107,34 @@ pub mod pallet {
 		InvalidTransaction,
 	}
 
+	/// Mapping from addresses to accounts.
+	pub type AddressMap<T> = UniqueMultimapAdapter<
+		<T as frame_system::Config>::AccountId,
+		VarAddress,
+		AddressMapStorage<T>,
+		AddressIndex<T>,
+		ConstU32<{ VarAddress::variant_count() }>,
+		MapError,
+	>;
+	#[pallet::storage]
+	pub type AddressMapStorage<T: Config> = StorageMap<
+		_,
+		Twox64Concat,
+		T::AccountId,
+		BoundedBTreeSet<VarAddress, ConstU32<{ VarAddress::variant_count() }>>,
+		ValueQuery,
+	>;
+	#[pallet::storage]
+	pub type AddressIndex<T: Config> = StorageMap<_, Twox64Concat, VarAddress, T::AccountId>;
+
+	/// Mapping from asset IDs to denoms.
+	pub type AssetMap<T> =
+		UniqueMapAdapter<AssetIdOf<T>, DenomOf<T>, AssetMapStorage<T>, AssetIndex<T>, MapError>;
+	#[pallet::storage]
+	pub type AssetMapStorage<T: Config> = StorageMap<_, Twox64Concat, AssetIdOf<T>, DenomOf<T>>;
+	#[pallet::storage]
+	pub type AssetIndex<T: Config> = StorageMap<_, Twox64Concat, DenomOf<T>, AssetIdOf<T>>;
+
 	#[pallet::call]
 	impl<T: Config> Pallet<T>
 	where
diff --git a/frame/babel/src/mock.rs b/frame/babel/src/mock.rs
index c640d856..f01bd0d1 100644
--- a/frame/babel/src/mock.rs
+++ b/frame/babel/src/mock.rs
@@ -43,6 +43,7 @@ use frame_support::{
 };
 use frame_system::EnsureRoot;
 use np_babel::cosmos::traits::CosmosHub;
+use np_multimap::traits::UniqueMap;
 use np_runtime::{AccountId32, MultiSigner};
 use pallet_cosmos::{
 	config_preludes::{MaxDenomLimit, NativeAssetId},
@@ -64,7 +65,6 @@ use pallet_cosmos_x_wasm::msgs::{
 	MsgStoreCodeHandler, MsgUpdateAdminHandler,
 };
 use pallet_cosmwasm::instrument::CostRules;
-use pallet_multimap::traits::UniqueMap;
 use sp_core::{ConstU128, Pair, H256};
 use sp_runtime::{
 	traits::{IdentityLookup, TryConvert},
@@ -115,10 +115,6 @@ mod runtime {
 	#[runtime::pallet_index(41)]
 	pub type Cosmwasm = pallet_cosmwasm;
 
-	#[runtime::pallet_index(50)]
-	pub type AddressMap = pallet_multimap<Instance1>;
-	#[runtime::pallet_index(51)]
-	pub type AssetMap = pallet_multimap<Instance2>;
 	#[runtime::pallet_index(100)]
 	pub type Babel = frame_babel;
 }
@@ -198,7 +194,7 @@ impl TryConvert<String, AssetId> for AssetToDenom {
 		} else {
 			let denom_raw: BoundedVec<u8, MaxDenomLimit> =
 				denom.as_bytes().to_vec().try_into().map_err(|_| denom.clone())?;
-			AssetMap::find_key(denom_raw).ok_or(denom.clone())
+			<Test as frame_babel::Config>::AssetMap::find_key(denom_raw).ok_or(denom.clone())
 		}
 	}
 }
@@ -207,9 +203,7 @@ impl TryConvert<AssetId, String> for AssetToDenom {
 		if asset_id == NativeAssetId::get() {
 			Ok(NativeDenom::get().to_string())
 		} else {
-			let denom =
-				<AssetMap as UniqueMap<AssetId, BoundedVec<u8, MaxDenomLimit>>>::get(asset_id)
-					.ok_or(asset_id)?;
+			let denom = <Test as frame_babel::Config>::AssetMap::get(asset_id).ok_or(asset_id)?;
 			String::from_utf8(denom.into()).map_err(|_| asset_id)
 		}
 	}
@@ -343,13 +337,13 @@ impl pallet_multimap::Config<Instance2> for Test {
 }
 
 impl frame_babel::Config for Test {
-	type AddressMap = AddressMap;
-	type AssetMap = AssetMap;
+	type AddressMap = frame_babel::AddressMap<Self>;
+	type AssetMap = frame_babel::AssetMap<Self>;
 	type Balance = Balance;
 }
 
 impl unify_account::Config for Test {
-	type AddressMap = AddressMap;
+	type AddressMap = frame_babel::AddressMap<Self>;
 	type DrainBalance = Balances;
 }