diff --git a/polkadot-parachains/statemine/src/lib.rs b/polkadot-parachains/statemine/src/lib.rs
index 1fb07e2d8e..6b72526e4f 100644
--- a/polkadot-parachains/statemine/src/lib.rs
+++ b/polkadot-parachains/statemine/src/lib.rs
@@ -602,16 +602,9 @@ pub type Executive = frame_executive::Executive<
 	frame_system::ChainContext<Runtime>,
 	Runtime,
 	AllPalletsWithSystem,
-	UniquesV1Migration,
+	(),
 >;
 
-pub struct UniquesV1Migration;
-impl frame_support::traits::OnRuntimeUpgrade for UniquesV1Migration {
-	fn on_runtime_upgrade() -> Weight {
-		pallet_uniques::migration::migrate_to_v1::<Runtime, _, Uniques>()
-	}
-}
-
 #[cfg(feature = "runtime-benchmarks")]
 #[macro_use]
 extern crate frame_benchmarking;
diff --git a/polkadot-parachains/westmint/src/lib.rs b/polkadot-parachains/westmint/src/lib.rs
index c85f269308..f234972de0 100644
--- a/polkadot-parachains/westmint/src/lib.rs
+++ b/polkadot-parachains/westmint/src/lib.rs
@@ -594,16 +594,9 @@ pub type Executive = frame_executive::Executive<
 	frame_system::ChainContext<Runtime>,
 	Runtime,
 	AllPalletsWithSystem,
-	UniquesV1Migration,
+	(),
 >;
 
-pub struct UniquesV1Migration;
-impl frame_support::traits::OnRuntimeUpgrade for UniquesV1Migration {
-	fn on_runtime_upgrade() -> Weight {
-		pallet_uniques::migration::migrate_to_v1::<Runtime, _, Uniques>()
-	}
-}
-
 #[cfg(feature = "runtime-benchmarks")]
 #[macro_use]
 extern crate frame_benchmarking;