diff --git a/polkadot/runtime/kusama/constants/src/lib.rs b/polkadot/runtime/kusama/constants/src/lib.rs
index 80d14e69f9668827b828c97dd8e940466d2cfff9..f9cdf807c27dfebde2aa60b10fa6c92e57811178 100644
--- a/polkadot/runtime/kusama/constants/src/lib.rs
+++ b/polkadot/runtime/kusama/constants/src/lib.rs
@@ -19,6 +19,9 @@
 pub mod currency {
 	use primitives::v0::Balance;
 
+	/// The existential deposit.
+	pub const EXISTENTIAL_DEPOSIT: Balance = 1 * CENTS;
+
 	pub const UNITS: Balance = 1_000_000_000_000;
 	pub const CENTS: Balance = UNITS / 30_000;
 	pub const GRAND: Balance = CENTS * 100_000;
diff --git a/polkadot/runtime/kusama/src/lib.rs b/polkadot/runtime/kusama/src/lib.rs
index 89b6dacd9585beab35c8be6993483d00a789f860..2bb9ba9786898a624663b467bb898882072ae410 100644
--- a/polkadot/runtime/kusama/src/lib.rs
+++ b/polkadot/runtime/kusama/src/lib.rs
@@ -299,7 +299,7 @@ impl pallet_indices::Config for Runtime {
 }
 
 parameter_types! {
-	pub const ExistentialDeposit: Balance = 1 * CENTS;
+	pub const ExistentialDeposit: Balance = EXISTENTIAL_DEPOSIT;
 	pub const MaxLocks: u32 = 50;
 	pub const MaxReserves: u32 = 50;
 }
diff --git a/polkadot/runtime/polkadot/constants/src/lib.rs b/polkadot/runtime/polkadot/constants/src/lib.rs
index e095ae543a6ffc1a887d4a1045ce904b5604bac0..37c26c62074fc48ccc6ba5df338d758598bfe5ca 100644
--- a/polkadot/runtime/polkadot/constants/src/lib.rs
+++ b/polkadot/runtime/polkadot/constants/src/lib.rs
@@ -22,6 +22,9 @@ pub use self::currency::DOLLARS;
 pub mod currency {
 	use primitives::v0::Balance;
 
+	/// The existential deposit.
+	pub const EXISTENTIAL_DEPOSIT: Balance = 100 * CENTS;
+
 	pub const UNITS: Balance = 10_000_000_000;
 	pub const DOLLARS: Balance = UNITS; // 10_000_000_000
 	pub const CENTS: Balance = DOLLARS / 100; // 100_000_000
diff --git a/polkadot/runtime/polkadot/src/lib.rs b/polkadot/runtime/polkadot/src/lib.rs
index 6f4bb126b06b3d436cea5092d3463195793bad11..ed0471428bf9d7337217990359220ad63606f8f0 100644
--- a/polkadot/runtime/polkadot/src/lib.rs
+++ b/polkadot/runtime/polkadot/src/lib.rs
@@ -343,7 +343,7 @@ impl pallet_indices::Config for Runtime {
 }
 
 parameter_types! {
-	pub const ExistentialDeposit: Balance = 100 * CENTS;
+	pub const ExistentialDeposit: Balance = EXISTENTIAL_DEPOSIT;
 	pub const MaxLocks: u32 = 50;
 	pub const MaxReserves: u32 = 50;
 }
diff --git a/polkadot/runtime/westend/constants/src/lib.rs b/polkadot/runtime/westend/constants/src/lib.rs
index e7d709cabce0e4d1038e1f27b98c8c33f755f09e..48831e507ac174df31c35a628670e0e417339273 100644
--- a/polkadot/runtime/westend/constants/src/lib.rs
+++ b/polkadot/runtime/westend/constants/src/lib.rs
@@ -20,6 +20,9 @@
 pub mod currency {
 	use primitives::v0::Balance;
 
+	/// The existential deposit.
+	pub const EXISTENTIAL_DEPOSIT: Balance = 1 * CENTS;
+
 	pub const UNITS: Balance = 1_000_000_000_000;
 	pub const CENTS: Balance = UNITS / 100;
 	pub const MILLICENTS: Balance = CENTS / 1_000;
diff --git a/polkadot/runtime/westend/src/lib.rs b/polkadot/runtime/westend/src/lib.rs
index bd44737b83c0ab85aaf89d6d3bb93b98b0ec45b2..a98e69dc55d7cefe3f88f09c8e78f35f84246cbc 100644
--- a/polkadot/runtime/westend/src/lib.rs
+++ b/polkadot/runtime/westend/src/lib.rs
@@ -266,7 +266,7 @@ impl pallet_indices::Config for Runtime {
 }
 
 parameter_types! {
-	pub const ExistentialDeposit: Balance = 1 * CENTS;
+	pub const ExistentialDeposit: Balance = EXISTENTIAL_DEPOSIT;
 	pub const MaxLocks: u32 = 50;
 	pub const MaxReserves: u32 = 50;
 }