From 02c6d50f40cd57d2ec6b22547b3c7f1a4e80e888 Mon Sep 17 00:00:00 2001
From: Gavin Wood <gavin@parity.io>
Date: Thu, 28 May 2020 21:22:02 +0200
Subject: [PATCH] Remove the update lock on upgrade iterator (#6179)

---
 substrate/frame/vesting/src/lib.rs | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/substrate/frame/vesting/src/lib.rs b/substrate/frame/vesting/src/lib.rs
index d054b78357..63a092da30 100644
--- a/substrate/frame/vesting/src/lib.rs
+++ b/substrate/frame/vesting/src/lib.rs
@@ -53,7 +53,7 @@ use codec::{Encode, Decode};
 use sp_runtime::{DispatchResult, RuntimeDebug, traits::{
 	StaticLookup, Zero, AtLeast32Bit, MaybeSerializeDeserialize, Convert
 }};
-use frame_support::{decl_module, decl_event, decl_storage, decl_error, ensure, IterableStorageMap};
+use frame_support::{decl_module, decl_event, decl_storage, decl_error, ensure};
 use frame_support::traits::{
 	Currency, LockableCurrency, VestingSchedule, WithdrawReason, LockIdentifier,
 	ExistenceRequirement, Get
@@ -181,13 +181,6 @@ decl_module! {
 
 		fn deposit_event() = default;
 
-		fn on_runtime_upgrade() -> frame_support::dispatch::Weight {
-			for (a, _) in Vesting::<T>::iter() {
-				let _ = Self::update_lock(a);
-			}
-			1_000_000_000_000
-		}
-
 		/// Unlock any vested funds of the sender account.
 		///
 		/// The dispatch origin for this call must be _Signed_ and the sender must have funds still