From dd695f7ace8573ab0ac19178b802868968b40e5c Mon Sep 17 00:00:00 2001
From: Alexander Popiak <alexander.popiak@parity.io>
Date: Sat, 30 Oct 2021 18:39:04 +0200
Subject: [PATCH] remove duplicate Deposit from OnUnbalanced implementation
 (#4180)

closes https://github.com/paritytech/polkadot/issues/4133
---
 polkadot/runtime/common/src/impls.rs | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/polkadot/runtime/common/src/impls.rs b/polkadot/runtime/common/src/impls.rs
index 4af64ce6ac..abf1e07618 100644
--- a/polkadot/runtime/common/src/impls.rs
+++ b/polkadot/runtime/common/src/impls.rs
@@ -29,16 +29,10 @@ where
 	<R as frame_system::Config>::Event: From<pallet_balances::Event<R>>,
 {
 	fn on_nonzero_unbalanced(amount: NegativeImbalance<R>) {
-		let numeric_amount = amount.peek();
-		let author = <pallet_authorship::Pallet<R>>::author();
 		<pallet_balances::Pallet<R>>::resolve_creating(
 			&<pallet_authorship::Pallet<R>>::author(),
 			amount,
 		);
-		<frame_system::Pallet<R>>::deposit_event(pallet_balances::Event::Deposit(
-			author,
-			numeric_amount,
-		));
 	}
 }