diff --git a/runtime/rococo/src/lib.rs b/runtime/rococo/src/lib.rs
index 8ca2322f8e36..fb2a56c8100c 100644
--- a/runtime/rococo/src/lib.rs
+++ b/runtime/rococo/src/lib.rs
@@ -1549,8 +1549,6 @@ pub mod migrations {
 	pub type Unreleased = (
 		pallet_society::migrations::VersionCheckedMigrateToV2<Runtime, (), ()>,
 		pallet_im_online::migration::v1::Migration<Runtime>,
-		/* Asynchronous backing migration */
-		parachains_scheduler::migration::v1::MigrateToV1<Runtime>,
 		parachains_configuration::migration::v7::MigrateToV7<Runtime>,
 		assigned_slots::migration::v1::VersionCheckedMigrateToV1<Runtime>,
 		parachains_scheduler::migration::v1::MigrateToV1<Runtime>,
diff --git a/runtime/westend/src/lib.rs b/runtime/westend/src/lib.rs
index fc5e7f1e692d..3ade28c51fba 100644
--- a/runtime/westend/src/lib.rs
+++ b/runtime/westend/src/lib.rs
@@ -1287,8 +1287,6 @@ pub mod migrations {
 	/// Unreleased migrations. Add new ones here:
 	pub type Unreleased = (
 		pallet_im_online::migration::v1::Migration<Runtime>,
-		/* Asynchronous backing migration */
-		parachains_scheduler::migration::v1::MigrateToV1<Runtime>,
 		parachains_configuration::migration::v7::MigrateToV7<Runtime>,
 		assigned_slots::migration::v1::VersionCheckedMigrateToV1<Runtime>,
 		parachains_scheduler::migration::v1::MigrateToV1<Runtime>,