diff --git a/bin/europa/runtime/src/constants.rs b/bin/europa/runtime/src/constants.rs
index 37666e9..14f8cf0 100644
--- a/bin/europa/runtime/src/constants.rs
+++ b/bin/europa/runtime/src/constants.rs
@@ -11,15 +11,11 @@ pub mod currency {
 	pub const DOTS: Balance = 1_000_000_000_000; // old dot, one Dot is 100 Dot(new) now
 	pub const DOLLARS: Balance = DOTS / 100; // 10_000_000_000 // one Dollar is 1 Dot(new) now
 	pub const CENTS: Balance = DOLLARS / 100; // 100_000_000 // one Cent is 0.01 Dot(new) now
-	pub const MILLICENTS: Balance = CENTS / 1_000; // 100_000 // one Millicent is 0.00001 Dot(new) now
+	// pub const MILLICENTS: Balance = CENTS / 1_000; // 100_000 // one Millicent is 0.00001 Dot(new) now
 
-	pub const fn deposit(items: u32, bytes: u32) -> Balance {
-		items as Balance * 20 * DOLLARS + (bytes as Balance) * 100 * MILLICENTS
-	}
-
-	pub const fn europa_deposit(items: u32, bytes: u32) -> Balance {
-		items as Balance * 10 * CENTS + (bytes as Balance) * 10 * MILLICENTS
-	}
+	// pub const fn deposit(items: u32, bytes: u32) -> Balance {
+	// 	items as Balance * 20 * DOLLARS + (bytes as Balance) * 100 * MILLICENTS
+	// }
 }
 
 /// Fee-related.
diff --git a/bin/europa/runtime/src/lib.rs b/bin/europa/runtime/src/lib.rs
index dc53da1..3027439 100644
--- a/bin/europa/runtime/src/lib.rs
+++ b/bin/europa/runtime/src/lib.rs
@@ -257,16 +257,13 @@ impl pallet_transaction_payment::Config for Runtime {
 }
 
 parameter_types! {
-	pub TombstoneDeposit: Balance = europa_deposit(
-		1,
-		<pallet_contracts::Pallet<Runtime>>::contract_info_size(),
-	);
-	pub DepositPerContract: Balance = TombstoneDeposit::get();
-	pub const DepositPerStorageByte: Balance = deposit(0, 1);
-	pub const DepositPerStorageItem: Balance = deposit(1, 0);
-	pub RentFraction: Perbill = Perbill::from_rational(1u32, 30 * DAYS);
-	pub const SurchargeReward: Balance = 150 * MILLICENTS;
-	pub const SignedClaimHandicap: u32 = 2;
+    pub const TombstoneDeposit: Balance = 0;
+    pub const DepositPerContract: Balance = 0;
+    pub const DepositPerStorageByte: Balance = TombstoneDeposit::get();
+    pub const DepositPerStorageItem: Balance = 0;
+    pub RentFraction: Perbill = Perbill::zero();
+    pub const SurchargeReward: Balance = 0;
+    pub const SignedClaimHandicap: u32 = 0;
 	pub const MaxValueSize: u32 = 16 * 1024;
 	// The lazy deletion runs inside on_initialize.
 	pub DeletionWeightLimit: Weight = AVERAGE_ON_INITIALIZE_RATIO *