diff --git a/node/src/rpc/mod.rs b/node/src/rpc/mod.rs
index 2c774997..9946079b 100644
--- a/node/src/rpc/mod.rs
+++ b/node/src/rpc/mod.rs
@@ -41,9 +41,9 @@ use tangle_runtime::BlockNumber;
 
 // Runtime
 #[cfg(not(feature = "testnet"))]
-use tangle_runtime::{AccountId, Balance, Hash, Index};
+use tangle_runtime::{AccountId, Balance, Hash, Index, PalletServicesConstraints};
 #[cfg(feature = "testnet")]
-use tangle_testnet_runtime::{AccountId, Balance, Hash, Index};
+use tangle_testnet_runtime::{AccountId, Balance, Hash, Index, PalletServicesConstraints};
 
 pub mod eth;
 pub mod tracing;
diff --git a/pallets/tangle-lst/src/lib.rs b/pallets/tangle-lst/src/lib.rs
index 50a3a8f4..757fb344 100644
--- a/pallets/tangle-lst/src/lib.rs
+++ b/pallets/tangle-lst/src/lib.rs
@@ -748,7 +748,10 @@ pub mod pallet {
 			UnbondingMembers::<T>::try_mutate(
 				member_account.clone(),
 				|member| -> DispatchResult {
-					let member = member.get_or_insert_with(Default::default);
+					let member = member.get_or_insert_with(|| PoolMember {
+						pool_id,
+						unbonding_eras: Default::default(),
+					});
 					member
 						.unbonding_eras
 						.try_insert(unbond_era, points_unbonded)
diff --git a/pallets/tangle-lst/src/types/pools.rs b/pallets/tangle-lst/src/types/pools.rs
index d14e1e2c..aa0499e4 100644
--- a/pallets/tangle-lst/src/types/pools.rs
+++ b/pallets/tangle-lst/src/types/pools.rs
@@ -10,7 +10,6 @@ use super::*;
 	CloneNoBound,
 	frame_support::PartialEqNoBound,
 )]
-#[cfg_attr(feature = "std", derive(DefaultNoBound))]
 #[codec(mel_bound(T: Config))]
 #[scale_info(skip_type_params(T))]
 pub struct PoolMember<T: Config> {
diff --git a/runtime/mainnet/src/lib.rs b/runtime/mainnet/src/lib.rs
index 917bbb92..80407f5c 100644
--- a/runtime/mainnet/src/lib.rs
+++ b/runtime/mainnet/src/lib.rs
@@ -1266,9 +1266,9 @@ impl pallet_multi_asset_delegation::Config for Runtime {
 }
 
 parameter_types! {
-	pub static PostUnbondingPoolsWindow: u32 = 2;
-	pub static MaxMetadataLen: u32 = 2;
-	pub static CheckLevel: u8 = 255;
+	pub const PostUnbondingPoolsWindow: u32 = 2;
+	pub const MaxMetadataLen: u32 = 2;
+	pub const CheckLevel: u8 = 255;
 	pub const LstPalletId: PalletId = PalletId(*b"py/tnlst");
 }
 
diff --git a/runtime/testnet/src/lib.rs b/runtime/testnet/src/lib.rs
index 1913ef46..c9539f80 100644
--- a/runtime/testnet/src/lib.rs
+++ b/runtime/testnet/src/lib.rs
@@ -1220,9 +1220,9 @@ impl pallet_proxy::Config for Runtime {
 }
 
 parameter_types! {
-	pub static PostUnbondingPoolsWindow: u32 = 2;
-	pub static MaxMetadataLen: u32 = 2;
-	pub static CheckLevel: u8 = 255;
+	pub const PostUnbondingPoolsWindow: u32 = 2;
+	pub const MaxMetadataLen: u32 = 2;
+	pub const CheckLevel: u8 = 255;
 	pub const LstPalletId: PalletId = PalletId(*b"py/tnlst");
 }