diff --git a/runtime/astar/src/xcm_config.rs b/runtime/astar/src/xcm_config.rs
index 5c86c9e93f..c147f4cdf4 100644
--- a/runtime/astar/src/xcm_config.rs
+++ b/runtime/astar/src/xcm_config.rs
@@ -20,7 +20,6 @@ use super::{
     AccountId, AllPalletsWithSystem, AssetId, Assets, AstarAssetLocationIdConverter, Balance,
     Balances, DealWithFees, ParachainInfo, ParachainSystem, PolkadotXcm, Runtime, RuntimeCall,
     RuntimeEvent, RuntimeOrigin, TreasuryAccountId, WeightToFee, XcAssetConfig, XcmpQueue,
-    MAXIMUM_BLOCK_WEIGHT,
 };
 use frame_support::{
     match_types, parameter_types,
@@ -270,10 +269,6 @@ impl xcm_executor::Config for XcmConfig {
     type SafeCallFilter = SafeCallFilter;
 }
 
-parameter_types! {
-    pub const MaxDownwardMessageWeight: Weight = MAXIMUM_BLOCK_WEIGHT.saturating_div(10);
-}
-
 /// Local origins on this chain are allowed to dispatch XCM sends/executions.
 pub type LocalOriginToLocation = SignedToAccountId32<RuntimeOrigin, AccountId, RelayNetwork>;
 
diff --git a/runtime/shibuya/src/xcm_config.rs b/runtime/shibuya/src/xcm_config.rs
index 3848b0bd1a..4ef26d328d 100644
--- a/runtime/shibuya/src/xcm_config.rs
+++ b/runtime/shibuya/src/xcm_config.rs
@@ -20,7 +20,6 @@ use super::{
     AccountId, AllPalletsWithSystem, AssetId, Assets, Balance, Balances, DealWithFees,
     ParachainInfo, ParachainSystem, PolkadotXcm, Runtime, RuntimeCall, RuntimeEvent, RuntimeOrigin,
     ShibuyaAssetLocationIdConverter, TreasuryAccountId, WeightToFee, XcAssetConfig, XcmpQueue,
-    MAXIMUM_BLOCK_WEIGHT,
 };
 use frame_support::{
     match_types, parameter_types,
@@ -204,10 +203,6 @@ impl xcm_executor::Config for XcmConfig {
     type SafeCallFilter = Everything;
 }
 
-parameter_types! {
-    pub const MaxDownwardMessageWeight: Weight = MAXIMUM_BLOCK_WEIGHT.saturating_div(10);
-}
-
 /// Local origins on this chain are allowed to dispatch XCM sends/executions.
 pub type LocalOriginToLocation = SignedToAccountId32<RuntimeOrigin, AccountId, RelayNetwork>;
 
diff --git a/runtime/shiden/src/xcm_config.rs b/runtime/shiden/src/xcm_config.rs
index 981c906c5c..ee3a3d678b 100644
--- a/runtime/shiden/src/xcm_config.rs
+++ b/runtime/shiden/src/xcm_config.rs
@@ -20,7 +20,6 @@ use super::{
     AccountId, AllPalletsWithSystem, AssetId, Assets, Balance, Balances, BurnFees, ParachainInfo,
     ParachainSystem, PolkadotXcm, Runtime, RuntimeCall, RuntimeEvent, RuntimeOrigin,
     ShidenAssetLocationIdConverter, TreasuryAccountId, WeightToFee, XcAssetConfig, XcmpQueue,
-    MAXIMUM_BLOCK_WEIGHT,
 };
 use frame_support::{
     match_types, parameter_types,
@@ -274,10 +273,6 @@ impl xcm_executor::Config for XcmConfig {
     type SafeCallFilter = SafeCallFilter;
 }
 
-parameter_types! {
-    pub const MaxDownwardMessageWeight: Weight = MAXIMUM_BLOCK_WEIGHT.saturating_div(10);
-}
-
 /// Local origins on this chain are allowed to dispatch XCM sends/executions.
 pub type LocalOriginToLocation = SignedToAccountId32<RuntimeOrigin, AccountId, RelayNetwork>;