diff --git a/modules/apps/27-interchain-accounts/host/types/ack_test.go b/modules/apps/27-interchain-accounts/host/types/ack_test.go
deleted file mode 100644
index 06cab3e0cc0..00000000000
--- a/modules/apps/27-interchain-accounts/host/types/ack_test.go
+++ /dev/null
@@ -1,81 +0,0 @@
-package types_test
-
-import (
-	"testing"
-
-	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
-	"github.com/stretchr/testify/suite"
-	abcitypes "github.com/tendermint/tendermint/abci/types"
-	tmprotostate "github.com/tendermint/tendermint/proto/tendermint/state"
-	tmstate "github.com/tendermint/tendermint/state"
-
-	ibctesting "github.com/cosmos/ibc-go/v3/testing"
-)
-
-const (
-	gasUsed   = uint64(100)
-	gasWanted = uint64(100)
-)
-
-type TypesTestSuite struct {
-	suite.Suite
-
-	coordinator *ibctesting.Coordinator
-
-	chainA *ibctesting.TestChain
-	chainB *ibctesting.TestChain
-}
-
-func (suite *TypesTestSuite) SetupTest() {
-	suite.coordinator = ibctesting.NewCoordinator(suite.T(), 2)
-
-	suite.chainA = suite.coordinator.GetChain(ibctesting.GetChainID(1))
-	suite.chainB = suite.coordinator.GetChain(ibctesting.GetChainID(2))
-}
-
-func TestTypesTestSuite(t *testing.T) {
-	suite.Run(t, new(TypesTestSuite))
-}
-
-// The safety of including ABCI error codes in the acknowledgement rests
-// on the inclusion of these ABCI error codes in the abcitypes.ResposneDeliverTx
-// hash. If the ABCI codes get removed from consensus they must no longer be used
-// in the packet acknowledgement.
-//
-// This test acts as an indicator that the ABCI error codes may no longer be deterministic.
-func (suite *TypesTestSuite) TestABCICodeDeterminism() {
-	// same ABCI error code used
-	err := sdkerrors.Wrap(sdkerrors.ErrOutOfGas, "error string 1")
-	errSameABCICode := sdkerrors.Wrap(sdkerrors.ErrOutOfGas, "error string 2")
-
-	// different ABCI error code used
-	errDifferentABCICode := sdkerrors.ErrNotFound
-
-	deliverTx := sdkerrors.ResponseDeliverTx(err, gasUsed, gasWanted, false)
-	responses := tmprotostate.ABCIResponses{
-		DeliverTxs: []*abcitypes.ResponseDeliverTx{
-			&deliverTx,
-		},
-	}
-
-	deliverTxSameABCICode := sdkerrors.ResponseDeliverTx(errSameABCICode, gasUsed, gasWanted, false)
-	responsesSameABCICode := tmprotostate.ABCIResponses{
-		DeliverTxs: []*abcitypes.ResponseDeliverTx{
-			&deliverTxSameABCICode,
-		},
-	}
-
-	deliverTxDifferentABCICode := sdkerrors.ResponseDeliverTx(errDifferentABCICode, gasUsed, gasWanted, false)
-	responsesDifferentABCICode := tmprotostate.ABCIResponses{
-		DeliverTxs: []*abcitypes.ResponseDeliverTx{
-			&deliverTxDifferentABCICode,
-		},
-	}
-
-	hash := tmstate.ABCIResponsesResultsHash(&responses)
-	hashSameABCICode := tmstate.ABCIResponsesResultsHash(&responsesSameABCICode)
-	hashDifferentABCICode := tmstate.ABCIResponsesResultsHash(&responsesDifferentABCICode)
-
-	suite.Require().Equal(hash, hashSameABCICode)
-	suite.Require().NotEqual(hash, hashDifferentABCICode)
-}
diff --git a/modules/apps/transfer/ibc_module.go b/modules/apps/transfer/ibc_module.go
index d79ec986aab..1e5f56280ce 100644
--- a/modules/apps/transfer/ibc_module.go
+++ b/modules/apps/transfer/ibc_module.go
@@ -9,7 +9,6 @@ import (
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 	capabilitytypes "github.com/cosmos/cosmos-sdk/x/capability/types"
 
-	icatypes "github.com/cosmos/ibc-go/v3/modules/apps/27-interchain-accounts/types"
 	"github.com/cosmos/ibc-go/v3/modules/apps/transfer/keeper"
 	"github.com/cosmos/ibc-go/v3/modules/apps/transfer/types"
 	channeltypes "github.com/cosmos/ibc-go/v3/modules/core/04-channel/types"
@@ -181,7 +180,7 @@ func (im IBCModule) OnRecvPacket(
 	var data types.FungibleTokenPacketData
 	var ackErr error
 	if err := types.ModuleCdc.UnmarshalJSON(packet.GetData(), &data); err != nil {
-		ackErr = sdkerrors.Wrapf(icatypes.ErrInvalidChannelFlow, "cannot unmarshal ICS-20 transfer packet data")
+		ackErr = sdkerrors.Wrapf(sdkerrors.ErrInvalidType, "cannot unmarshal ICS-20 transfer packet data")
 		ack = channeltypes.NewErrorAcknowledgement(ackErr)
 	}
 
diff --git a/modules/apps/transfer/types/ack_test.go b/modules/apps/transfer/types/ack_test.go
deleted file mode 100644
index 2fc13a3290e..00000000000
--- a/modules/apps/transfer/types/ack_test.go
+++ /dev/null
@@ -1,29 +0,0 @@
-package types_test
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/suite"
-
-	ibctesting "github.com/cosmos/ibc-go/v3/testing"
-)
-
-type TypesTestSuite struct {
-	suite.Suite
-
-	coordinator *ibctesting.Coordinator
-
-	chainA *ibctesting.TestChain
-	chainB *ibctesting.TestChain
-}
-
-func (suite *TypesTestSuite) SetupTest() {
-	suite.coordinator = ibctesting.NewCoordinator(suite.T(), 2)
-
-	suite.chainA = suite.coordinator.GetChain(ibctesting.GetChainID(1))
-	suite.chainB = suite.coordinator.GetChain(ibctesting.GetChainID(2))
-}
-
-func TestTypesTestSuite(t *testing.T) {
-	suite.Run(t, new(TypesTestSuite))
-}