From d12996837cc832c4feed3687bb1b98c272c05c32 Mon Sep 17 00:00:00 2001
From: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Date: Wed, 5 Jun 2024 15:50:33 +0200
Subject: [PATCH] Rococo AH: cleanup storage (#4444)

Follow up on #4414 to clean up the old storage.

---------

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
---
 .../runtimes/assets/asset-hub-rococo/src/lib.rs        |  5 +++++
 prdoc/pr_4444.prdoc                                    | 10 ++++++++++
 2 files changed, 15 insertions(+)
 create mode 100644 prdoc/pr_4444.prdoc

diff --git a/cumulus/parachains/runtimes/assets/asset-hub-rococo/src/lib.rs b/cumulus/parachains/runtimes/assets/asset-hub-rococo/src/lib.rs
index 1fc67ba0c305..2bf09e6a7843 100644
--- a/cumulus/parachains/runtimes/assets/asset-hub-rococo/src/lib.rs
+++ b/cumulus/parachains/runtimes/assets/asset-hub-rococo/src/lib.rs
@@ -992,10 +992,15 @@ pub type Migrations = (
 	cumulus_pallet_xcmp_queue::migration::v4::MigrationToV4<Runtime>,
 	cumulus_pallet_xcmp_queue::migration::v5::MigrateV4ToV5<Runtime>,
 	pallet_collator_selection::migration::v2::MigrationToV2<Runtime>,
+	frame_support::migrations::RemovePallet<StateTrieMigrationName, RocksDbWeight>,
 	// permanent
 	pallet_xcm::migration::MigrateToLatestXcmVersion<Runtime>,
 );
 
+parameter_types! {
+	pub const StateTrieMigrationName: &'static str = "StateTrieMigration";
+}
+
 /// Migration to initialize storage versions for pallets added after genesis.
 ///
 /// This is now done automatically (see <https://github.com/paritytech/polkadot-sdk/pull/1297>),
diff --git a/prdoc/pr_4444.prdoc b/prdoc/pr_4444.prdoc
new file mode 100644
index 000000000000..0b6a5715e47f
--- /dev/null
+++ b/prdoc/pr_4444.prdoc
@@ -0,0 +1,10 @@
+title: "Rococo AH: cleanup storage"
+
+doc:
+  - audience: Runtime Dev
+    description: |
+      Remove old storage that is left over in the Rococo AH storage.
+
+crates:
+  - name: asset-hub-rococo-runtime
+    bump: patch