diff --git a/x/onion/client/cli/tx.go b/x/onion/client/cli/tx.go
index a502155..a4dfc31 100644
--- a/x/onion/client/cli/tx.go
+++ b/x/onion/client/cli/tx.go
@@ -18,8 +18,6 @@ import (
 	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
 )
 
-var FlagSplit = "split"
-
 // NewTxCmd returns a root CLI command handler for all x/bank transaction commands.
 func NewTxCmd() *cobra.Command {
 	txCmd := &cobra.Command{
diff --git a/x/onion/keeper/ante_test.go b/x/onion/keeper/ante_test.go
index 1e54976..adcc596 100644
--- a/x/onion/keeper/ante_test.go
+++ b/x/onion/keeper/ante_test.go
@@ -78,7 +78,7 @@ func (s *KeeperTestSuite) TestExecuteAnte() {
 				// check account set in account module
 				acc1 := s.App.AccountKeeper.GetAccount(s.Ctx, addr1)
 				s.Require().NotNil(acc1)
-				// check sequence increased
+				// check sequence increase
 				seq, err := s.App.OnionKeeper.GetSequence(s.Ctx, addr1.String())
 				s.Require().NoError(err)
 				s.Require().Equal(seq.Sequence, uint64(1))
diff --git a/x/onion/types/errors.go b/x/onion/types/errors.go
index 3172261..ab1254f 100644
--- a/x/onion/types/errors.go
+++ b/x/onion/types/errors.go
@@ -1,21 +1 @@
 package types
-
-import (
-	errorsmod "cosmossdk.io/errors"
-)
-
-var (
-	ErrBadMetadataFormatMsg = "wasm metadata not properly formatted for: '%v'. %s"
-	ErrBadExecutionMsg      = "cannot execute contract: %v"
-
-	ErrMsgValidation       = errorsmod.Register("wasm-hooks", 2, "error in wasmhook message validation")
-	ErrMarshaling          = errorsmod.Register("wasm-hooks", 3, "cannot marshal the ICS20 packet")
-	ErrInvalidPacket       = errorsmod.Register("wasm-hooks", 4, "invalid packet data")
-	ErrBadResponse         = errorsmod.Register("wasm-hooks", 5, "cannot create response")
-	ErrWasmError           = errorsmod.Register("wasm-hooks", 6, "wasm error")
-	ErrBadSender           = errorsmod.Register("wasm-hooks", 7, "bad sender")
-	ErrAckFromContract     = errorsmod.Register("wasm-hooks", 8, "contract returned error ack")
-	ErrAsyncAckNotAllowed  = errorsmod.Register("wasm-hooks", 9, "contract not allowed to send async acks")
-	ErrAckPacketMismatch   = errorsmod.Register("wasm-hooks", 10, "packet does not match the expected packet")
-	ErrInvalidContractAddr = errorsmod.Register("wasm-hooks", 11, "invalid contract address")
-)
diff --git a/x/onion/types/genesis.go b/x/onion/types/genesis.go
index dd111be..980e39e 100644
--- a/x/onion/types/genesis.go
+++ b/x/onion/types/genesis.go
@@ -3,7 +3,8 @@ package types
 // DefaultGenesis returns the default GenesisState for the concentrated-liquidity module.
 func DefaultGenesis() *GenesisState {
 	return &GenesisState{
-		Params: DefaultParams(),
+		Params:    DefaultParams(),
+		Sequences: []OnionSequence{},
 	}
 }