diff --git a/x/bank/keeper/keeper.go b/x/bank/keeper/keeper.go
index e0ea2751c420..fe61bf565cfa 100644
--- a/x/bank/keeper/keeper.go
+++ b/x/bank/keeper/keeper.go
@@ -382,7 +382,6 @@ func (k BaseKeeper) MintCoins(ctx context.Context, moduleName string, amounts sd
 // It will panic if the module account does not exist or is unauthorized.
 func (k BaseKeeper) BurnCoins(ctx context.Context, address []byte, amounts sdk.Coins) error {
 	acc := k.ak.GetAccount(ctx, address)
-	fmt.Println("acc", fmt.Sprintf("%x", address))
 	if acc == nil {
 		return errorsmod.Wrapf(sdkerrors.ErrUnknownAddress, "account %x does not exist", address)
 	}
diff --git a/x/bank/keeper/keeper_test.go b/x/bank/keeper/keeper_test.go
index 7871cc419036..d6721d9f1ba3 100644
--- a/x/bank/keeper/keeper_test.go
+++ b/x/bank/keeper/keeper_test.go
@@ -195,7 +195,6 @@ func (suite *KeeperTestSuite) mockSendCoinsFromAccountToModule(acc *authtypes.Ba
 }
 
 func (suite *KeeperTestSuite) mockSendCoins(ctx context.Context, sender sdk.AccountI, receiver sdk.AccAddress) {
-	fmt.Println(sender.GetAddress(), receiver)
 	suite.authKeeper.EXPECT().GetAccount(ctx, sender.GetAddress()).Return(sender)
 	suite.authKeeper.EXPECT().HasAccount(ctx, receiver).Return(true)
 }
@@ -248,7 +247,6 @@ func (suite *KeeperTestSuite) mockUnDelegateCoins(ctx context.Context, acc, mAcc
 	}
 	suite.authKeeper.EXPECT().GetAccount(ctx, acc.GetAddress()).Return(acc)
 	suite.authKeeper.EXPECT().GetAccount(ctx, mAcc.GetAddress()).Return(mAcc)
-	suite.authKeeper.EXPECT().GetAccount(ctx, mAcc.GetAddress()).Return(mAcc)
 }
 
 func (suite *KeeperTestSuite) TestAppendSendRestriction() {
@@ -564,13 +562,13 @@ func (suite *KeeperTestSuite) TestSupply_BurnCoins() {
 	supplyAfterInflation, _, err := keeper.GetPaginatedTotalSupply(ctx, &query.PageRequest{})
 	require.NoError(err)
 
-	authKeeper.EXPECT().GetAccount(ctx, []byte{}).Return(nil).AnyTimes()
-	require.Error(keeper.BurnCoins(ctx, []byte{}, initCoins), "no module account")
+	authKeeper.EXPECT().GetAccount(ctx, []byte{}).Return(nil).MaxTimes(1)
+	require.Error(keeper.BurnCoins(ctx, []byte{}, initCoins), "no account")
 
-	authKeeper.EXPECT().GetAccount(ctx, minterAcc.GetAddress()).Return(nil).AnyTimes()
+	authKeeper.EXPECT().GetAccount(ctx, minterAcc.GetAddress()).Return(minterAcc).MaxTimes(1)
 	require.Error(keeper.BurnCoins(ctx, minterAcc.GetAddress(), initCoins), "invalid permission")
 
-	authKeeper.EXPECT().GetAccount(ctx, randomAcc.GetAddress()).Return(nil).AnyTimes()
+	authKeeper.EXPECT().GetAccount(ctx, randomAcc.GetAddress()).Return(randomAcc)
 	require.Error(keeper.BurnCoins(ctx, randomAcc.GetAddress(), supplyAfterInflation), "random permission")
 
 	suite.mockBurnCoins(burnerAcc)
@@ -591,7 +589,6 @@ func (suite *KeeperTestSuite) TestSupply_BurnCoins() {
 	supplyAfterInflation, _, err = keeper.GetPaginatedTotalSupply(ctx, &query.PageRequest{})
 	require.NoError(err)
 
-	authKeeper.EXPECT().GetAccount(ctx, multiPermAcc.GetAddress()).Return(nil).AnyTimes()
 	suite.mockSendCoins(ctx, minterAcc, multiPermAcc.GetAddress())
 	require.NoError(keeper.SendCoins(ctx, minterAcc.GetAddress(), multiPermAcc.GetAddress(), initCoins))
 
diff --git a/x/bank/keeper/msg_server.go b/x/bank/keeper/msg_server.go
index c6e50c255fd1..6aef4e8fc03f 100644
--- a/x/bank/keeper/msg_server.go
+++ b/x/bank/keeper/msg_server.go
@@ -2,6 +2,7 @@ package keeper
 
 import (
 	"context"
+	"fmt"
 
 	"github.com/hashicorp/go-metrics"
 
@@ -190,7 +191,7 @@ func (k msgServer) Burn(goCtx context.Context, msg *types.MsgBurn) (*types.MsgBu
 
 	var coins sdk.Coins
 	for _, coin := range msg.Amount {
-		coins = append(coins, sdk.NewCoin(coin.Denom, coin.Amount))
+		coins = coins.Add(sdk.NewCoin(coin.Denom, coin.Amount))
 	}
 
 	if base, ok := k.Keeper.(BaseKeeper); ok {
@@ -205,7 +206,7 @@ func (k msgServer) Burn(goCtx context.Context, msg *types.MsgBurn) (*types.MsgBu
 	if !coins.IsValid() {
 		return nil, errorsmod.Wrap(sdkerrors.ErrInvalidCoins, coins.String())
 	}
-
+	fmt.Println("coins", coins)
 	if !coins.IsAllPositive() {
 		return nil, errorsmod.Wrap(sdkerrors.ErrInvalidCoins, coins.String())
 	}